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College of Agricultural Sciences Personnel Profile
Personnel Photo of Whitney S Cranshaw
Whitney S Cranshaw
Agricultural Biology
College of Agricultural Sciences

Plant Sciences Building, Room
  • Ph D, U OF MINNESOTA; Entomology
  • MS, U OF MINNESOTA; Entomology
  • BA, Hampshire College; Biology
Personal Website:

Since employment with CSU in 1983 I have worked to upgrade information resources throughout the state on subjects regarding insects that affect horticultural crops, insects of yards/gardens and that occur within homes and buldings.

Sitz, Rachael A, Aquino, Vince, Tisserat, Ned A, Cranshaw, Whitney S, Stewart, Jane E, (2019) Insects Visiting Drippy Blight Diseased Red Oak Trees Are Contaminated with the Pathogenic Bacterium Lonsdalea quercina Plant Disease 103 1940-1946

Cranshaw, Whitney S, Kondratieff, Boris C, (2019) Observations on development of Diogmites angustipennis Loew (Diptera: Asilidae) in a cultivated field Journal of the Kansas Entomological Society 92(1) 412-414

Cranshaw, Whitney S, Schreiner, Melissa, Britt, Kadie, Kuhar, Thomas P, McPartland, John, Grant, Jerome, Developing Insect Pest Management Systems for Hemp in the United States: A Work in Progress Journal of Integrated Pest Management. Volume 10, Issue 1, 2019, 26, Published 28 August, 2019

Cranshaw, Whitney S, (2019) Note on Predation of Elm Leaf Beetle by a Noctuid Larva, Caradrina montana (Bremer). Southwestern Entomologist 44(1) 343-344

Sitz, Rachael A, Snelling, Jacob Wayne, Ibarra Caballero, Jorge Rafael, Zerillo, Marcelo M, Kathleen, Alexander, Cranshaw, Whitney S, Tisserat, Ned A, Stewart, Jane E, (2018) Drippy Blight, a Disease of Red Oaks in Colorado, U.S., Produced from the Combined Effect of the Scale Insect Allokermes galliformis and the Bacterium Lonsdalea quercina subsp. quercina Arboriculture and Urban Forestry 44(3) 146–153.

Cranshaw, Whitney, (2018) "Cluster Flies and Other "Winter Flies"" Colorado State Extension Fact Sheet 5.618 5.618

Sitz, Rachael Altschuler, Zerillo, Marcelo M, Snelling, Jacob Wayne, Caballero, Jorge Ibarra, Alexander, Kathleen, Nash, Kendra, Tisserat, Ned A, Cranshaw, Whitney S, Stewart, Jane E, (2018) Drippy Blight, a Disease of Red Oaks in Colorado, U.S., Produced from the Combined Effect of the Scale Insect Allokermes galliformis and the Bacterium Lonsdalea quercina subsp. quercina Arboriculture and Urban Forestry 44 3 146--152

Cranshaw, Whitney, (2018) "Harlequin Bugs" Colorado State Extension Fact Sheet 5.617

Sitz, Rachael , Luna, Emily, Tisserat, Ned, Caballero, Jorge, Cranshaw, Whitney, Stewart, Jane, (2017) Virulence of genetically distinct Geosmithia morbida isolates to black walnut and their response to co-inoculation with Fusarium solani. Plant Disease 101 (1) 116-120

Cranshaw, Whitney S, Shetlar, David, (2017) "Garden Insects of North America, 2nd Edition" Princeton University Press 704

Schwartz, Howard F, Gent, David H., Fichtner, Scott M., Otto, Kristen, Boateng, Charles O., Szostek, Stephanie, Cranshaw, Whitney S, Mahaffey, Linda A., (2014) Thrips tabaci (Thysanoptera: Thripidae) and Iris yellow spot virus associated with onion transplants, onion volunteers and weeds in Colorado baci) Southwestern Entomologist 39 4 691-704

Zerillo, Marcelo M, Caballero, J. R. Ibarra, Woeste, K. E., Graves, A. D., Hartel, C., Pscheidt, J. W., Tonos, J., Broders, Kirk Dale, Cranshaw, Whitney S, Seybold, S. J., Tisserat, Ned A, (2014) Population structure of Geosmithia morbida, the causal agent of Thousand cankers disease of walnut trees in the United States Phytopathology 104 11 135-135

Zerillo, Marcelo M, Caballero, Jorge Ibarra, Woeste, Keith, Graves, Andrew D., Hartel, Colleen, Pscheidt, Jay W., Tonos, Jadelys, Broders, Kirk Dale, Cranshaw, Whitney S, Seybold, Steven J., Tisserat, Ned A, (2014) Population Structure of Geosmithia morbida, the Causal Agent of Thousand Cankers Disease of Walnut Trees in the United States Plos One 9 11

Schwartz, Howard F, Alston, Diane, Alwang, Jeff, Bartolo, Michael E, Blunt, Tamla Diann, Boateng, Charles, Bunn, Bonnie, Cramer, Chris, Cranshaw, Whitney S, Davidson, Jeffery William, Derie, Michael, Douce, Keith, Drost, Dan, du Toit, Lindsey, Gourd, Thaddeus, Gugino, Beth, Hammon, Bob, Hardin, Janet G, Hausbeck, Mary, Jibilian, George, Lafferty, Jed, LaForest, Joseph, McMillan, Mark S, Mohan, Krishna, Morrice, Jarrod, Nault, Brian, Nischwitz, Claudia, Norton, George, Otto, Kristen, Pappu, Hanu, Petersen, Mike, Sampangi, Ram, Schroeder, Brenda, Secor, Will, Szostek, Stephanie, Tisserat, Ned A, Uchanski, Mark, VanKirk, James, Waters, Tim, Wiriyajitsomboon, Prissana, Wohleb, Carrie, (2014) Onion ipmPIPE: A coordinated effort to improve the management of onion thrips and Iris yellow spot virus for onion growers and their industry APS Plant Health Progress 15 172-183

Luna, Emily, Cranshaw, Whitney, Tisserat, Ned, (2014) Attraction of walnut twig beetle Pityophthorus juglandis (Coleoptera: Curculionidae) to the fungus Geosmithia morbida Plant Health Progress 01

Kondratieff, Boris C, Cranshaw, Whitney S, (2014) Owlflies in Colorado (Neuroptera: Ascalaphidae) Entomological News 123 5 393-394

McDaniel, Jacob Philip, Stromberger, Mary E, Barbarick, Ken A, Cranshaw, Whitney S, (2013) Survival of Aporrectodea caliginosa and its effects on nutrient availability in biosolids amended soil Applied Ecology 71 1-6

Schwartz, Howard F, Bartolo, Michael E, Hardin, Janet G, Cranshaw, Whitney S, Nissen, Scott J, Szostek, Stephanie, Reddin, Kimberly, Cramer, Chris, Uchanski, Mark E, Alston, Diane G, Rost, Dan, du Toit, Lindsey J, Pappu, Hanu R, Schroeder, Brenda K, Waters, Tim, Dutta, Bhabesh, Srinivasan, Rajagopalbab, Gitaitis, Ronald D, Nault, Brian A, (2013) "Onion Health Management and Production" CSU IPM Center 104

(2012) Agrilus quercicola (Fisher) (Coleoptera: Buprestidae), the Gambel Oak Borer, as a Pest of Quercus spp Southwestern Entomologist doi: http://dxdoiorg/103958/059 37 2 147-150

(2012) Orchestes alni (L ) (Coleoptera: Curculionidae): New Records from Western North America with Notes on Parasitoids The Coleopterists Bulletin doi: 66 1 63-66

Cranshaw, Whitney S, Young, Deborah J, (2012) "Spiders: Management Tools for a Healthy Learning Environment" Colorado Center for Sustainable Integrated Pest Management, 2 pp

(2011) A Review of Nuisance Invader Household Pests of the United States American Entomologist 57 3 165-169

(2011) Notes on fruit damage by theEuropean paper wasp, Polistes dominula (Christ)(Hymenoptera: Vespidae) SouthwesternEntomologist doi:http://dxdoiorg/103958/059 36 1 103-105

(2011) Recently recognized range extensions of the walnut twig beetle,Pityophthorus juglandis Blackman (Coleoptera:Curculionidae: Scolytinae), in the western United States The Coleopterists Bulletin doi: http://dxdoiorg/101649/0010-065X-65 65 1 48-49

(2011) Thousand cankers disease is widespread inblack walnut in the western United States Plant Health Progress doi: 10.1094/PHP-2011-0630-01-BR

(2011) "ThousandCankers Disease: An Unusual Paradigm" AmericanNurseryman 211 20-21

(2010) "Colorado Pest Control Industry: An assessment of current needs and concerns in Colorado and Wyoming" Colorado Agricultural Expertiment Station Technical Bulletin TB10-1 5 pp

(2010) Comparison ofover-the-counter insecticides for managing theEuropean earwig, Forficula auricularia (L)(Dermaptera: Forficulidae) SouthwesternEntomologist doi:http://dxdoiorg/103958/059 35 1

(2010) "Life in a Colorado Water Garden: The Insects and other Invertebrates Associated with Water Features" 27 pp Self published and made available on-line through the Insect Information web site http://wwwcolostateedu/Depts/bspm/extension%20and%20outreach/insect%20informationhtml

(2010) "Thousand cankers disease: A recently recognized threat to North American black walnut" Arborist News 19 1 52-56

(2010) Thrips Species Associated with Onion in Colorado Southwest Entomol 35 45-50

Schwartz, Howard F, Gent, David H, Fichtner, Scott M., Khosla, R., Reich, Robin, Camper, Matt A, Mchaffey, Linda A, Cranshaw, Whitney S, (2010) Spatial and temporal distribution of Iris yellow spot virus and thrips in Colorado onion fields APS Plant Management Network

(2009) Effects of Supplemental Irrigation on Populations of Clover Mite, Bryobia praetiosa Koch (Acari) Southwest Entomol 34 69-74

(2009) Straw Mulch and Reduced-Risk Pesticide Impacts on Thrips and Iris Yellow Spot Virus on Western-Grown Onions Southwest Entomol 34 13-29

Schwartz, Howard F, Gent, David H, Fichtner, Scott M, Hammon, Robert, Cranshaw, Whitney S, Mahaffey, Linda, Camper, Matt A, Otto, Kristen, McMillan, Mark S, (2009) Straw Mulch and Reduced-Risk Pesticide Impacts on Thrips and Iris Yellow Spot Virus on Western-Grown Onions Southwestern Entomologist 34 13-29

(2007) Trapping tomato psyllid, Bactericera cockerelli (Sulc) (Hemiptera) Southwest Entomol 32 25-30

(2005) Life history of the pine needle scale, Chionaspis pinifoliae (Fitch) in Northeastern Colorado Southwest Entomol 30 55-60

Nihat, Demirel, Cranshaw, Whitney S, Norton, Andrew P, (2005) Survey of Lygus spp. And an associated parasitoid, Leiophron uniformis (Gahan), in Colorado. Southwestern Entomologist 30 1

(2004) Seasonal biology and associated natural enemies of two Toumeyella spp in Colorado Southwest Entomol 29 39-45

(2004) The effect of interplanting of necteriferous plants on the population density and parasitism of cabbage pests Southwest Entomol 29 61-68

(1999) Surveys on visitation of flowering landscape plants by common biological control agents in Colorado J Kansas Entomol Soc 72 190-196

(1999) The natural enemy complex associated with pine needle scale, Chionaspis pinifoliae (Fitch) (Homoptera) J Kansas Entomol Soc 72 131-133

(1998) Observations of population increases and injury by spider mites (Acari) J Econ Entomol 91 250-255

(1996) Aluminized fabric deters thrips from entering greenhouses Southwest Entomol 21 135-140

(1996) Effects on control of onion thrips from co-application of onion pesticides Southwest Entomol 21 49-54

(1995) Notes on the Biology and Control of the Poplar Twiggall Fly, Hexomyza-Schineri (Giraud) (Diptera, Agromyzidae), an Emerging Pest of Aspen in Colorado J Kansas Entomol Soc 68 127-132

(1994) Capture of Clearwing Borers (Lepidoptera, Sesiidae) with 3 Synthetic Attractants in Colorado Southwest Entomol 19 71-76

(1994) Larval Biology and Control of the Rabbitbrush Beetle, Trirhabda-Nitidicollis Leconte (Coleoptera, Chrysomelidae) Southwest Entomol 19 249-256

(1994) Occurrence of the Oak Rough Bulletgall Wasp, Disholcaspis-Quercusmamma (Walsh) (Hymenoptera, Cynipidae), as a Street Tree Pest in Colorado J Kansas Entomol Soc 67 290-293

(1994) The Potato (Tomato) Psyllid, Paratrioza-Cockerelli (Sulc), as a Pest of Potatoes Southwest Entomol 19 83-95

(1993) Application of Semiochemicals in Integrated Pest-Management Programs Acs Sym Ser 524 199-218

(1991) Alate Aphid Trap Capture over Different Background Colors and Different Background Patterns Southwest Entomol 16 13-18

(1991) Differential Susceptibilities of Green Peach Aphid (Homoptera, Aphididae) and 2 Endoparasitoids (Hymenoptera, Encyrtidae and Braconidae) to Pesticides J Econ Entomol 84 844-850

(1991) Short-Term Movement of Neoaplectana Spp (Rhabditida, Steinernematidae) and Heterorhabditis Hp-88 Strain (Rhabditida, Heterorhabditidae) through Turfgrass Thatch J Econ Entomol 84 875-878

Schwartz, HF, Westra, Philip, Cranshaw, Whitney S, (1990) Colorado onion IPM bulletin Bulletin-Cooperative Extension Service, Colorado State University (USA)

(1990) Compatibility of 3 Entomogenous Nematodes (Rhabditida) in Aqueous-Solutions of Pesticides Used in Turfgrass Maintenance J Econ Entomol 83 97-100

(1990) Effects of Colored Sprays on Aphid and Psyllid Colonization of Potatoes Southwest Entomol 15 205-209

(1990) Insects Associated with Quinoa, Chenopodium-Quinoa, in Colorado J Kansas Entomol Soc 63 195-199

(1989) Biological, Mechanical, and Chemical Control of Turfgrass-Infesting Scarabs in Colorado Southwest Entomol 14 351-355

(1988) Effects of Systemic Insecticides on Potato Growth and Their Interaction with Metribuzin Am Potato J 65 535-541

(1988) Flight Patterns of Clearwing Borers (Lepidoptera, Sesiidae) in Colorado Based on Pheromone Trap Captures Southwest Entomol 13 39-46

(1987) The Influence of Rockwool on Insect Populations and Pythium Disease Hortscience 22 1136-1136

(1987) Urban Ipm Education and Implementation - Implications for the Future Abstr Pap Am Chem S 194 195-ENVR

(1986) Suppression of Raspberry Crown Borer, Pennisetia-Marginata (Harris) (Lepidoptera, Sesiidae) with Soil Applications of Steinernema-Feltiae (Rhabditida, Steinernematidae) J Invertebr Pathol 48 257-258

(1985) Clover Root Curculio Injury and Abundance in Minnesota Alfalfa of Different Stand Age Great Lakes Entomol 18 93-95

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