Kalischuk M, Hachey J, Thomas D, Johnson D, Kawchuk L. Complete genome sequence of phytopathogenic Pectobacterium atrosepticum lytic bacteriophage peat2. American Journal of Potato Research. (in press). 2019;96(6):614–616.

Kouhestani F, Byrne J, Spencer L, Hazendonk P, Brown B, Johnson D. A comprehensive assessment of solar and wind energy potential at the University of Lethbridge campus, a medium-sized western Canadian university. International Journal of Green Energy . 2019;16(14):1246-1263.

Renkema J, Cutler G, Sproule J, Johnson D. Effect of Metarhizium anisopliae on blueberry maggot, Rhagoletis mendax (Diptera: Tephritidae) pupae and adults. Canadian Entomologist (in press). 2019.

Kouhestani F, Byrne J, Johnson D, Spencer L, Hazendonk P, Brown B. Evaluating solar energy technical and economic potential on rooftops in an urban setting: the city of Lethbridge, Canada. International Journal of Energy and Environmental Engineering . 2019;10(1):13-32.

Henrickson A, Kalischuk M, Lynn J, Meers S, Johnson D, Kawchuk L. First report of zebra chip on potato in Canada. Plant Disease. 2019;103(1016 ).

Mirmasoudi S, Byrne J, MacDonald R, Johnson D, Kroebel R. Modelling historical and potential future climate impacts on Keremeos Creek, an Okanagan-Similkameen watershed, British Columbia, Canada: Part I. Forecasting change in spring and summer water supply and demand. Canadian Water Resources Journal. 2019;44(4):350-366.

Mirmasoudi S, Byrne J, Kroebel R, Johnson D, MacDonald R. Modelling historical and potential future climate impacts on Keremeos Creek, an Okanagan-Similkameen watershed, British Columbia, Canada: Part II. Forecasting change in farm-level greenhouse gas emissions. Canadian Water Resources Journal. 2019;44(4):367-381.

Horton D, Kaur N, Cooper W, Miliczky E, Badillo-Vargas I, Esparza-Díaz G, Rashed A, Wohleb C, Johnson D, Kawchuk L, et al. Whence and whither the Convolvulus Psyllid? An invasive plant leads to diet and range expansion by a native insect herbivore. Annals of the Entomological Society of America. 2019;112(3):249–264 . whence_and_whither_the_convolvulus_psyllid_an_invasive.pdf

Henrickson A, Kalischuk M, Lynn J, Meers S, Johnson D, Kawchuk L. Canadian zebra chip pathogen ‘Candidatus Liberibacter solanacearum’ Lso 50S ribosomal protein L10 (rplJ) and L12 (rplL) genes sequence. Gene sequence, GenBank Accession. 2018;MH843710.

Henrickson A, Kalischuk M, Lynn J, Meers S, Johnson D, Kawchuk L. Canadian zebra chip pathogen ‘Candidatus Liberibacter solanacearum’ Lso 16S ribosomal protein sequence. Gene sequence, GenBank Accession. 2018;MH843709.

Chen X, Johnson D, Stark J, Kawchuk L, Jaronski S. Chen, X., Johnson, D., Stark, J., Kawchuk, L., and Jaronski, S. 2018. Toxicity of biopesticide candidate Metarhizium anisopliae var anisopliae S54, Neonicotinoid Imidacloprid, neem extract (Azatin), and agricultural adjuvant R-11 on th. Biopesticides International. 2018;14(2):71-77.

Horton D, Miliczky E, Lewis T, Cooper W, Waters T, Wohleb C, Zack R, Johnson D, Jensen A. New North American records for the old world Psyllid Heterotrioza chenopodii (Reuter) (Hemiptera: Psylloidea: Triozidae) with biological observations. Proceedings of the Entomological Society of Washington. 2018;120(1):134-152.

Mirmasoudi S, Byrne J, Kroebel R, Johnson D, MacDonald R. A novel time‑efective model fordaily distributed solar radiation estimates acrossvariable terrain. International Journal of Energy and Environmental Engineering. 2018;9(4):383–398. a_novel_time-efective_model_for_daily_distributed_solar_radiation.pdf

Reich J, Chatterton S, Johnson D. Temporal dynamics of Botrytis cinerea and Sclerotinia sclerotiorum in seed alfalfa fields of southern Alberta, Canada. Plant Disease. 2017;101(2):331-343. temporal_dynamics_of_botrytis_cinerea_and_sclerotinia_sclerotiorum_in_seed_alfalfa_fields_of_southern_alberta_canada.pdf

Reich J, Chatterton S, Johnson DL. Potential role of pollen and pollinators in the spread of blossom blight of seed alfalfa caused by Botrytis cinerea. Canadian Journal of Plant Pathology, pp. 1-11. doi : 10.1080/07060661.2015.1119734. 2015. Potential role of pollen and pollinators

Kalischuk M, Johnson D, Kawchuk L. Priming with a double-stranded DNA virus alters Brassica rapa seed architecture and facilitates a defense response. Gene (2015 Feb 25) 557(2):130-377. 2015. Priming with a double-stranded DNA virus alters

Jia Y, Zhen Y, Wen S, Johnson D, Kong F. Controlling of cyanobacteria bloom during bottleneck stages of algal cycling in shallow Lake Taihu (China). Journal of Freshwater Ecology 29: 129-140. 2014. Controlling of cyanobacteria bloom

Johnson D. List of Orthopteroid Insects of Canada, with Common Names (Authoritative review of 278 species in Canada, with 30 new common names). Published on NaturServe, Environment Canada. 2014.

MacWilliam A, Johnson DL, Tywoniuk N. Gull Lake Water Quality Management Society et al. v. Director, Central Region•Operations Division, Alberta Environment and Sustainable Resource Development, re: Delta Land Co. Inc. Environmental Appeals Board. Appeal Nos. 12-019- 021,023-025, and 027-029-R. 2013. macwilliam_johnson_tywoniuk._2013._12-019-etc-r.pdf

MacWilliam A, Johnson DL, Tywoniuk N. Gull Lake Water Quality Management Society et al. v. Director, Central Region•Operations Division, Alberta Environment and Sustainable Resource Development, re: Delta Land Co. Inc. Environmental Appeals Board. Appeal Nos. 12-019- 021,023-025, and 027-029-R. 2013. 12-019-etc-r.pdf

MacWilliam A, Johnson DL, Tywoniuk N. Stay and Issues Decision: Gull Lake Water Quality Management Society et al. v.Director, Central Region, Operations Division, Alberta Environment and Sustainable Resource Development, re: Delta Land Co. Inc. Environmental Appeals Board. Appeal Nos. 12-019-030-ID2. 2013. 12-019-030-id2.pdf

Stay and Issues Decision: Gull Lake Water Quality Management Society et al. v. Director, Central Region, Operations Division, Alberta Environment and Sustainable Resource Development, re: Delta Land Co. Inc. Alberta Environmental Appeals Board. 2013;12-019-030-ID2:1-23.

Johnson D, Wiebe C, Zhang Z, Kawchuk L, Jaronski S. Environmental safety of the entomopathogen Metarhizium anisopliae for the northern crayfish, Orconectes virilis, and phantommidge larva, Chaoborus americanus. 2013.

MacWilliam A, Johnson D, Tywoniuk N. Gull Lake Water Quality Management Society et al. v. Director, Central Region, Operations Division, Alberta Environment and Sustainable Resource Development, Decision re: Delta Land Co. Inc. 2013.

Booth ELJ, Byrne JM, Johnson DL. Climatic changes in western North America, 1950 – 2006. Int. J. Climatology (in press; on-line Dec 13, 2011). 2011. Climatic changes in western North America

Larson RP, Byrne JM, Johnson DL, Kienzle SW, Letts MG. Modelling Climate Change Impacts on Spring Runoff for the Rocky Mountains of Montana and Alberta II: Runoff Change Projections using Future Scenarios. Canadian Water Resources 36:35-52. 2011. Modelling climate change impacts on spring runoff

Larson RP, Byrne JM, Johnson DL, Letts MG, Kienzle SW. Modelling Climate Change Impacts on Spring Runoff for the Rocky Mountains of Montana and Alberta I: Model Development, Calibration and Historical Analysis. Canadian Water Resources 36:17–34. 2011. Modelling Climate Change Impacts on Spring Runoff

MacWilliam A, Kennedy A, Johnson DL. Costs Decision: Shapka v. Director, Northern Region, Environmental Management, Alberta Environment, re: Evergreen Regional Waste Management Services Commission. Environmental Appeals Board. Appeal No. 08-037-CD. 2010. 08-037-cd.pdf

MacWilliam A, Kennedy A, Johnson DL. Reconsideration Decision: Shapka v. Director, Northern Region, Environmental Management, Alberta Environment, re: Evergreen Regional Waste Management Services Commission. Environmental Appeals Board. Appeal No. 08-037-RD. 2010. 08-037-rd.pdf

MacWilliam A, Kennedy A, Johnson DL. Shapka v. Director, Northern Region, Environmental Management, AlbertaEnvironment, re: Evergreen Regional Waste Management Services Commission. Environmental Appeals Board. Appeal No. 08-037-R. 2010. 08-037-r.pdf

MacWilliam AG, Kennedy AJ, Johnson DL. Shapka v. Director, Northern Region, Environmental Management, Alberta Environment, re: Evergreen Regional Waste Management Services Commission. Environmental Appeals Board. Appeal No. 08-037-ID2. 2010. 08-037-id2.pdf

MacWilliam AG, Kennedy AJ, Johnson DL. Tomlinson and Shapka v. Director, Northern Region, Environmental Management, Alberta Environment, re: Evergreen Regional Waste Management Services Commission,. Environmental Appeals Board, 08-036-038-ID1. 2010. 08-036-038-id1.pdf

Yang N-W, Li A-L, Wan F-H, Liu W-X, Johnson D. Effects of plant essential oils on the immature and adults of the sweetpotato whitefly, Bemisia tabaci biotype B. Crop Protection 29:1200-1207 . 2010. Effects of plant essential oils on the sweetpotato whitefly

Johnson D, Duke G, Irvine P, Kaminski D, Boldt J, Wismath S, Goodwin M, Davidson J, Wirzba B, Moulton G, et al. A multi-level system for delivering biodiversity knowledge, data analysis and pest management recommendations to growers, for environmentally sustainable crop protection. Procedia Environmental Sciences 2:1163-1168. 2010. A multi-level system for delivering biodiversity knowledge

Adatia A, Johnson DL, Entz S. Pathogenicity of two new isolates ofMetarhizium anisopliaefrom Canadian soil toMelanoplus bivittatus(Orthoptera: Acrididae) andTenebrio molitor(Coleoptera: Tenebrionidae). Canadian Entomologist 142:128-134. 2010. Pathogenicity of two new isolates of Metarhizium anisopliae

MacWilliam A, Kennedy A, Johnson D. Shapka v. Director, Northern Region, Environmental Management, Alberta Environment, re: Evergreen Regional Waste Management Services Commission, Appeal No. 08-037-R (A.E.A.B.). http://www.eab.gov.ab.ca/dec/08-037-R.pdf. 34 pp. 2010.

Hrudey SE, Johnson DL, Thompson G. Cold Lake Fibromyalgia Support Group et al. v. Director, Northern Region,Regional Services, Alberta Environment, re: Imperial Oil Resources Limited,EnCana Corporation, Canadian Natural Resources Limited, Husky Oil Limited,and Blackrock Ventures Inc. Alberta Environmental Appeals Board, 07-004-021, 028-033, 040-075, 100-105, 112-117-ID1. 2009;07-004-021:100-105. 07-004_et_al-id1.pdf

Booth M, Johnson DL. Pressurized-canister trunk injection of acephate, and changes in abundance of Red Elm Bark Weevil (Magdalis armicollis) on American Elm (Ulmus americana). Arboriculture & Urban Forestry 35(3): 148-15. 2009. Pressurized-canister trunk injection of acephate, and changes in abundance of Red Elm Bark Weevil on American Elm

Grant KM, Johnson D, Hildebrand DV, Peddle DR. Quantifying biomass production on rangeland in southern Alberta using SPOT imagery. Canadian Journal of Remote Sensing, reviewed and in revision. 2009. Quantifying biomass production

McAvity EO, Barlishen J, Johnson DL. Stone and Ulfsten v. Director, Northern Region, Regional Services, Alberta Environment, re: Imperial Oil Resources Limited, EnCana Corporation, Canadian Natural Resources Limited, Husky Oil Operations Limited, and Blackrock Ventures Inc.(now Shell Canada . Environmental Appeals Board. 2009.

Entz SC, Kawchuk LM, Johnson DL. Discovery of a North American genetic variant of the entomo pathogenic fungus Metarhizium anisopliae var. anisopliae pathogenic to grasshoppers. BioControl 53(2): 327-339. (Full paper) . 2008. Discovery of a North American genetic variant of the entomopathogenic fungus

Wall DH, Bradford MA, St John MG, Trofymow JA, Behan-Pelletier V, Bignell DE, Dangerfield JM, Parton WJ, Rusek J, Voigt W, et al. Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent. Global Change Biology 14:2661-2677. 2008. Global decomposition experiment

Hrudey SE, Peiluck PV, Johnson DL. Talisman Energy Inc. v. Director, Northern Region, Environmental Management, Alberta Environment (18 March 2008), Appeal No. 07-133-R (A.E.A.B.). Environmental Appeals Board. 2008.

Powell LR, Berg AA, Johnson DL, Warland JS. Relationships of pest grasshopper populations in Alberta, Canada to soil moisture and climate variables. Agricultural and Forest Meteorology 144: 73-84. 2007. Relationships of pest grasshopper populations in Alberta

Byrne J, Kienzle S, Johnson D, Duke G, Gannon V, Selinger B, Thomas J. Current and future water issues in the Oldman River Basin of Alberta, Canada. Water Science and Technology 53 (10): 327-334. 2006. Current and future water issues in the Oldman River Basin of Alberta, Canada

Entz SC, Kawchuk LM, Johnson DL. Discovery of a North American genetic variant of the entomo pathogenic fungus Metarhizium anisopliae var. anisopliae pathogenic to grasshoppers. BioControl (on-line, Part 1) . 2006. Discovery of a North American genetic variant

Duke GD, Kienzle SW, Johnson DL, Byrne JM. Incorporating ancillary data to refine anthropogenically modified overland flow paths. Hydrological Processes. 2006. Incorporating ancillary data

Nicholson J, Gould J, Golden J, Hood T, Johnson D, Kissner K, Stryker W, Hurlburt D. Recovery plan for soapweed and yucca moth in Alberta, 2006-2011. Alberta Species at Risk Recovery Plan No. 11. Alberta Sustainable Resource Development, Fish and Wildlife Division. 21 pp. 2006. Recovery plan for soapweed and yucca moth in Alberta, 2006-2011

Peddle DR, Rabe NJ, Soenen SA, Johnson DL. Derivation of Topoclimatic Indices for Alpine Snowpack Analysis in Alberta Rocky Mountain Watersheds. In: International Proceedings, Canada-US Eastern Snow Conference. Waterloo ON, Canada, June 7-11, 2005 (refereed proceedings paper, in press). 2005. Derivation of Topoclimatic Indices

Entz SC, Johnson DL, Kawchuk LM. Development of a PCR-based diagnostic assay for the specific detection of the fungus Metarhizium anisopliae var. acridum in grasshoppers. Mycological Research 109: 1302-1312. 2005. Development of a PCR-based diagnostic assay

Cárcamo HA, Dosdall L, Johnson DL, Olfert O. Evaluation of foliar insecticides to control the cabbage seedpod weevil, Ceutorhynchus obstrictus Marsham in canola in southern Alberta, Canada. Canadian Entomologist 137: 476-487. 2005. Evaluation of foliar insecticides to control the cabbage seedpod weevil, Ceutorhynchus obstrictus Marsham in canola in southern Alberta, Canada

Gannon VPJ, Duke GD, Thomas JE, VanLeeuwen J, Byrne J, Johnson D, Kienzle SW, Little J, Graham T, Selinger B. Identifying bacterial loading irrigation and river segments in an agricultural watershed. Science of the Total Environment 348: 19-31. 2005.

Danyk T, Mackauer M, Johnson DL. The influence of host suitability on the range of grasshopper species utilized by Blaesoxipha atlanis (Diptera: Sarcophagidae) in the field. Bulletin of Entomological Research 95: 571-578. . 2005. The influence of host suitability on the range of grasshopper species utilized by Blaesoxipha atlanis

Danyk T, Mackauer M, Johnson DL. Reduced food consumption in the grasshopper Melanoplus sanguinipes (Orthoptera: Acrididae) parasitized by Blaesoxipha atlanis (Diptera: Sarcophagidae). Canadian Entomologist 137: 356-366. 2005. Reduced food consumption in the grasshopper Melanoplus sanguinipes (Orthoptera: Acrididae) parasitized by Blaesoxipha atlanis (Diptera: Sarcophagidae)

Johnson DL. How to scout for pest and non-pest grasshoppers. Grainmagazine, Diseases, Insects & Weeds 2004: 32-33. Farm Business Communications, P.O. Box 9800, Winnipeg, MB, Canada, RC3 3K7. . 2004.

Mündel H-H, Blackshaw RE, Byers JR, Huang HC, Johnson DL, Keon R, Kubik J, McKenzie R, Otto, B. R, and B. S, et al. Safflower Production on the Canadian Prairies. Agriculture and Agri-Food Canada. Available on paper or http://res2.agr.ca/lethbridge/safflo/part1_e.htm. 2004. Safflower Production on the Canadian Prairies

Johnson DL. Slant-faced grasshoppers of the Canadian Prairies and Northern Great Plains. Arthropods of Canadian Grasslands 9: 5-16. Published by the Biological Survey of Canada, Ottawa. 2003. Slant-faced grasshoppers of the Canadian Prairies and Northern Great Plains

Kuiken T, Leighton A, Johnson DL. Grasshoppers in coyote scats. Blue Jay 61: 51-55. 2003.

Duke GD, Kienzle SW, Johnson DL, Byrne JM. Improving overland flow routing by incorporating ancillary road data into Digital Elevation Models. Journal of Spatial Hydrology 3: 23-49 . 2003. Improving overland flow routing

Johnson DL. Spur-throated grasshoppers of the Canadian Prairies and Northern Great Plains. Arthropods of Canadian Grasslands 8: 16-25. Published by the Biological Survey of Canada, Ottawa. 2002. Spur-throated grasshoppers of the Canadian Prairies and Northern Great Plains

Johnson DL, Smits JS, Jaronski ST, Weaver DK. Assessment of health and growth of ring-necked pheasants following consumption of infected insects or conidia of entomopathogenic fungi, Metarhizium anisopliae var acridum and Beauveria bassiana, from Madagascar and North Americ. Journal of Toxicology and Environmental Health 65: 2145-2162. . 2002. Assessment of health and growth

Johnson DL. Band-winged grasshoppers of the Canadian Prairies and Northern Great Plains. Arthropods of Canadian Grasslands 7: 5-12. Published by the Biological Survey of Canada, Ottawa. 2001.

Lomer CJ, Bateman RP, Johnson DL, Langewald J, Thomas MB. Biological control of locusts and grasshoppers. Annual Review of Entomology 46: 667-702. 2001. Biological control of locusts and grasshoppers

40. Johnson DL, Majak W, Benn MH. Excretion of miserotoxin and detoxification of the aglycone by grasshoppers (Orthoptera: Acrididae). Phytochemistry58: 739-742. . 2001. Excretion of miserotoxin and detoxification

Martin PA, Johnson DL, Forsyth DJ, Hill B. Effects of two grasshopper control insecticides on the food resources and reproductive success of two species of grassland songbird. Environmental Toxicology and Chemistry 19: 2987-2996. 2000. Effects of two grasshopper control insecticides on the food resources

Danyk T, Johnson DL, Mackauer M. Parasitism of the grasshopper Melanoplus sanguinipes by a sarcophagid fly, Blaesoxipha atlanis: influence of solitary and gregarious development on host and parasitoid. Entomologia Experimentalis et Applicata 94: 259-268. 2000. Parasitism of the grasshopper Melanoplus sanguinipes

Smits JE, Johnson DL, Lomer C. Pathological and physiological responses of ring-necked pheasant chicks following dietary exposure to the fungus Metarhizium flavoviride, a biocontrol agent for grasshoppers in Africa. Journal of Wildlife Diseases 35: 194-203. . 1999. Pathological and physiological responses of ring-necked pheasant chicks

Lactin DJ, Johnson DL. Convective heat loss and change in body temperature of grasshopper and locust nymphs: relative importance of wind speed, insect size and insect orientation. Journal of Thermal Biology 23: 5-13. 1998. Convective heat loss and change in body temperature of grasshopper

Majak WM, Johnson DL, Benn MH. Detoxification of 3-nitropropionic acid and karakin by melanopline grasshoppers. Phytochemistry 49: 419-422. 1998. Detoxification of 3-nitropropionic acid and karakin

Inglis DG, Johnson DL, Kawchuk LM, Goettel MS. Effect of soil texture and soil sterilization on susceptibility of ovipositing grasshoppers to Beauveria bassiana. Journal of Invertebrate Pathology 71: 73-81. 1998. Effect of soil texture and soil sterilization

Lactin DJ, Johnson DL. Environmental, physical, and behavioural determinants of body temperature in grasshopper nymphs (Orthoptera: Acrididae). The Canadian Entomologist 130: 551-577. 1998.

Martin PA, Johnson DL, Forsyth DJ, Hill BD. Indirect effects of the pyrethroid insecticide, deltamethrin on reproductive success of Chestnut-collared Longspurs. Ecotoxicology 7: 89-97. 1998. Indirect effects of the pyrethroid insecticide

Johnson DL, Dolinski MG. Attempts to increase the incidence and severity of infection of grasshoppers with the entomopathogen Nosema locustae (Microsporida: Nosematidae) by repeated field application. Memoirs of the Entomological Society of Canada 171: 391-400. 1997.

Inglis GD, Goettel MS, Johnson DL. Field and laboratory evaluation of two conidial batches of Beauveria bassiana (Balsamo) Vuillemin against grasshoppers. The Canadian Entomologist 129: 171-186. 1997. Field and laboratory evaluation of two conidial batches of Beauveria bassiana (Balsamo) Vuillemin against grasshoppers

Lactin DJ, Harris P, Johnson DL, Wan F-H, Thomas AG. Modelling and mapping geographic ranges to evaluate weed biocontrol agents: A case study using Altica carduorum (Coleoptera: Chrysomelidae) and Cirsium arvense (Asteraceae). Biocontrol Science and Technology 7: 657-670. 1997. Modelling and mapping geographic ranges

Johnson DL. Nosematidae and other Protozoa as agents for control of grasshoppers and locusts: current status and prospects. Memoirs of the Entomological Society of Canada 171: 375-389. 1997.

Inglis GD, Duke GM, Kanagaratnam P, Johnson DL, Goettel MS. Persistence of Beauveria bassianain soil following application of conidia through crop canopies. Memoirs of the Entomological Society of Canada 171: 253-263. 1997. Persistence of the entomopathogenic fungus

Lactin DJ, Johnson DL. Response of body temperature to solar radiation in restrained nymphal migratory grasshoppers (Orthoptera: Acrididae): Influence of orientation and body size. Physiological Entomology 22: 131-139. 1997. Response of body temperature to solar radiation

Inglis GD, Johnson DL, Cheng K-J, Goettel MS. Use of pathogen combinations to overcome the constraints of temperature on entomopathogenic Hyphomycetes against grasshoppers. Biological Control 8: 143-152. 1997. Use of pathogen combinations

Lactin DJ, Johnson DL. Behavioural optimization of body temperature by nymphal grasshoppers (Melanoplus sanguinipes, Orthoptera: Acrididae) in temperature gradients established using incandescent bulbs. Journal of Thermal Biology 21: 231-238. 1996. Behavioural optimization of body temperature

Isman MB, Feng R, Johnson DL. Detoxicative enzyme activities in five species of field-collected melanopline grasshoppers (Orthoptera: Acrididae). The Canadian Entomologist 128: 353-354. 1996. Detoxicative enzyme activities in five species of field-collected melanopline grasshoppers

Inglis GD, Johnson DL, Goettel MS. Effect of bait substrate and formulation on infection of grasshopper nymphs by Beauveria bassiana. Biocontrol Science and Technology 6: 35-50. 1996. Effect of bait substrate and formulation

Martin PA, Johnson DL, Forsyth DJ. Effects of grasshopper control insecticides on survival and brain acetylcholinesterase of pheasant (Phasianus colchicus) chicks. Environmental Toxicology and Chemistry 15: 518-524. 1996. Effects of grasshopper control insecticides

Lactin DJ, Johnson DL. Effects of insolation and body orientation on internal thoracic temperature of nymphal Melanoplus packardii (Orthoptera: Acrididae). Environmental Entomology 25:423-429. 1996. Effects of insolation and body orientation

Inglis GD, Johnson DL, Goettel MS. Effects of temperature and sunlight on mycosis (Beauveria bassiana) (Hyphomycetes: Sympodulosporae) of grasshoppers under field conditions. Environmental Entomology: 26: 400-409. 1996. Effects of temperature and sunlight on mycosis

Inglis GD, Johnson DL, Goettel MS. Effects of temperature and thermoregulation on mycosis by Beauveria bassiana in grasshoppers. Biological Control7: 131-139. 1996. Effects of temperature and thermoregulation on mycosis

Inglis GD, Johnson DL, Goettel MS. An oil-bait bioassay method used to test the efficacy of Beauveria bassiana against grasshoppers. Journal of Invertebrate Pathology 67: 312-315. 1996. An oil-bait bioassay method

Inglis GD, Goettel MS, Johnson DL. Persistence of the entomopathogenic fungus, Beauveria bassiana, on phylloplanes of crested wheatgrass and alfalfa. Biological Control 3: 258-270. 1996. Persistence of the entomopathogenic fungus, Beauveria bassiana, on phylloplanes of crested wheatgrass and alfalfa

Inglis GD, Goettel MS, Johnson DL. Influence of ultraviolet light protectants on persistence of the entomopathogenic fungus. Beauveria bassiana. Biological Control 5: 581-590. 1995. Influence of ultraviolet light protectants

Inglis GD, Johnson DL, Goettel MS. Effects of simulated rain on the persistence of Beauveria bassiana conidia on leaves of alfalfa and wheat. Biocontrol Science and Technology 5: 365-370. 1995. Effects of simulated rain

Lactin DJ, Holliday NJ, Johnson DL, Craigen R. Improved rate model of temperature-dependent development by arthropods. Environmental Entomology 24: 68-75. 1995.

Johnson DL, Petkau AJ. A likelihood ratio test for equality of deviations from randomness. Researches in Population Ecology 37: 203-209. 1995. A likelihood ratio test

Goettel MS, Johnson DL, Johnson DL. The role of fungi in the biological control of grasshoppers. Conference Proceedings, presentation. Biological Control 5: 581-590. 1995. The role of fungi in the biological control of grasshoppers

Lactin DJ, Johnson DL. Temperature-dependent feeding of Melanoplus sanguinipes (Orthoptera: Acrididae) nymphs in laboratory trials. Environmental Entomology 24: 1291-1296. 1995. Temperature-dependent feeding of Melanoplus sanguinipes

Beaubien E, Johnson DL. Flowering phenology and weather in Alberta, Canada. International Journal of Biometeorology 38: 23-27. 1994. Flowering phenology and weather in Alberta

Johnson DL, Goettel MS. Reduction of grasshopper populations following field application of the fungus Beauveria bassiana. Biocontrol Science and Technology 3: 165-175. 1993. Reduction of grasshopper populations following field application of the fungus Beauveria bassiana

Gregory DA, Johnson DL, Thompson BH. The toxicity of bran baits, formulated with carbaryl, chlorpyrifos and dimethoate, on nontarget yellow mealworms (Tenebrio molitor). Journal of Agricultural Entomology 11: 85-94. 1993. The toxicity of bran baits

Schaalje GB, Johnson DL, van der Vaart HR. Application of competing risks theory to analysis of the effects of Nosema locustae and Nosema cuneatum on development and mortality of migratory locusts. Environmental Entomology 21: 939-948. 1992.

D.L. J. Biologie, écologie, essais sur le terrain et impact sur l'environment. Dans: Lutte biologique contre les acridiens, préparé par C. Lomer et C. Prior, pp. 269-280. CAB International, Wallingford, UK, et CIDA/ACDI, Hull, Canada). 1992.

Johnson DL. Ecology, biology, field experimentation and environmental impact. In: C. Lomer & C. Prior (eds). Biological Control of Locusts and Grasshoppers, CAB International, Wallingford, UK, pp. 267-278. 1992.

Johnson DL, Goettel MS, Bradley C, van der Paauw H, Maiga B. Essais en plein champ du champignon entomopathogéne Beauveria bassiana contre les criquets au Mali, en juillet 1990. Dans: Lutte biologique contre les acridiens, préparé par C. Lomer et C. Prior, pp. 298-313. CAB International, Wallingford, UK, et CIDA/ACDI, Hull, Canada). 1992.

Johnson DL, Goettel MS, Bradley C, Bradley, van der Paauw H, Maiga B. Field tests of the entomopathogenic fungus Beauveria bassiana against grasshoppers in Mali, West Africa, July, 1990. In:C. Lomer & C. Prior (eds). Biological Control of Locusts and Grasshoppers, CAB International, Wallingford, UK, pp. 296-310. 1992.

Gregory DA, Johnson DL, Thompson BH. The impact of bran baits treated with the insecticides carbaryl, chlorpyrifos, and dimethoate on the survivorship and reproductive success of non-target mouse populations. Agriculture, Ecosystems and Environment 45: 95-103. 1992. The impact of bran baits treated

Gregory DA, Johnson DL, Thompson BH, Richards KW. Laboratory evaluation of the effects of carbaryl and chlorpyrifos baits and sprays on Alfalfa Leafcutting Bees (Megachile rotundataF.). Journal of Agricultural Entomology 9: 109-115. 1992. Laboratory evaluation of the effects of carbaryl and chlorpyrifos baits

Johnson DL, Proctor HC. Effects of predators on the sex ratio of the spider mite Panonychus ulmi (Acari: Tetranychidae). Canadian Journal of Zoology 69: 208-212. 1991. Effects of predators on the sex ratio of the spider mite

Johnson DL. Influence of temperature on toxicity of two pyrethroids to grasshoppers (Orthoptera: Acrididae). Journal of Economic Entomology 83: 366-373. 1990.

Willms WD, Johnson DL. Utilization of rough fescue and Parry oat grass by two grasshopper species and effect of leaf water content and stubble height. Environmental Entomology 19: 1103-1109. 1990. Utilization of rough fescue and Parry oat grass by two grasshopper species and effect of leaf water content and stubble height

Johnson DL. The effects of timing and frequency of application of Nosema locustae (Microspora: Microsporida) on the infection rate and activity of grasshoppers (Orthoptera: Acrididae). Journal of Invertebrate Pathology 54: 353-362. 1989. The effects of timing and frequency of application of Nosema locustae

Schaalje GB, Stinner RL, Johnson DL. Modelling insect populations affected by pesticides with application to pesticide efficacy trials. Ecological Modelling47: 233-263. 1989. Modelling insect populations affected by pesticides

Johnson DL. Spatial analysis of the relationship of grasshopper outbreaks to soil classification. In: Estimation and Analysis of Insect Populations. Lecture Notes in Statistics 55: 347-359 (Springer-Verlag). 1989.

Johnson DL. Spatial autocorrelation, spatial modelling, and improvements in grasshopper survey methodology. Canadian Entomologist 121: 579-588. 1989.

Erlandson MA, Johnson DL, Olfert OO. Entomophaga grylli infections in grasshopper (Orthoptera: Acrididae) populations in Saskatchewan and Alberta, 1985-1986. Canadian Entomologist 120: 205-209. 1988.

Johnson DL, Huang HC, Harper AM. Mortality of grasshoppers [Orthoptera: Acrididae] inoculated with a Canadian isolate of the fungus Verticillium lecanii. Journal of Invertebrate Pathology 52: 335-342. 1988. Mortality of grasshoppers

Johnson DL, Worobec A. Spatial and temporal computer analysis of insects and weather: grasshoppers and rainfall in Alberta. Memoirs of the Entomological Society of Canada 146: 33-48. 1988.

Johnson DL, Henry JE. Low rates of insecticides and Nosema locustae (Microsporidia: Nosematidae) on baits applied to roadsides for grasshopper (Orthoptera: Acrididae) control. Journal of Economic Entomology 80: 685-689. 1987. Low rates of insecticides and Nosema locustae on baits applied to roadsides for grasshopper control

Hill BD, Inaba DJ, Johnson DL. On-target deposition of aerially applied deltamethrin. Journal of Environmental Science and Health B22: 601-617. 1987.

Hill BD, Johnson DL. Persistence of deltamethrin and its isomers on pasture forage and litter. Journal of Agricultural and Food Chemistry 35: 373-378. 1987. Persistence of deltamethrin and its isomers

Muendel H-H, Johnson DL. Safflower susceptibility and response to feeding by grasshoppers. Annals of Applied Biology 111: 203-212. 1987. Safflower susceptibility and response to feeding by grasshoppers

Johnson DL, Hill BD, Hinks CF, Schaalje GB. Aerial application of the pyrethroid deltamethrin for grasshopper (Orthoptera: Acrididae) control. Journal of Economic Entomology 79: 181-188. 1986. Aerial application of the pyrethroid deltamethrin for grasshopper control

Schaalje GB, Charnetski WA, Johnson DL. A comparison of estimators of the degree of insect control. Communications in Statistics: Simulations and Computations 15: 1065-1086. 1986.

Johnson DL, Pavlikova E. Reduction of consumption by grasshoppers (Orthoptera: Acrididae) infected with Nosema locustae Canning (Microsporidia: Nosematidae). Journal of Invertebrate Pathology 48: 232-238. 1986. Reduction of consumption by grasshoppers

Grace B, Johnson DL. The drought of 1984 in southern Alberta: its severity and effects. Canadian Water Resources Journal 10: 28-38. 1985. The drought of 1984 in southern Alberta

Johnson DL, Wellington WG. Simulation of the interactions of predatory Typhlodromus mites with the European red mite, Panonychus ulmi (Koch). Researches on Population Ecology 26: 30-50. 1984. Simulation of the interactions of predatory Typhlodromus mites

Johnson DL, Wellington WG. Dispersal of the collembolan, Folsomia candida Willem, as a function of age. Canadian Journal of Zoology 61: 2534-2538. 1983. Dispersal of the collembolan, Folsomia candida Willem

Johnson DL. On the relationship between the European red mite and apple leaf chlorophyll. Journal of the Entomological Society of British Columbia 80: 42-45. 1983.

Johnson DL, Lovett Doust J, Eaton GW. The effect of European canker and its spatial pattern on four apple cultivars in British Columbia. Journal of Applied Ecology 19: 603-609. . 1982. The effect of European canker and its spatial pattern

Johnson DL, Wellington WG. Post-embryonic growth of the collembolans Folsomia candida and Xenylla grisea at three temperatures. Canadian Entomologist 112: 687-695. 1980.

Johnson DL, Wellington WG. Predation of Apochthonius minimus (Pseudoscorpionida: Chthoniidae) on Folsomia candida (Collembola: Isotomidae). Effects of predation on prey populations. Researches on Population Ecology 22: 353-365. . 1980. Predation of Apochthonius minimus on Folsomia candida

Johnson DL, Wellington WG. Predation of Apochthonius minimus (Pseudoscorpionida: Chthoniidae) on Folsomia candida (Collembola: Isotomidae). Predation rate and size-selection. Researches on Population Ecology 22: 339-352. . 1980. Predation of Apochthonius minimus (Pseudoscorpionida: Chthoniidae) on Folsomia candida (Collembola: Isotomidae). Predation rate and size-selection