David Shetlar

Professor, Entomology
B.S. in Zoology, University of Oklahoma
M.S. in Zoology, University of Oklahoma
Ph.D. in Entomology, Penn State University

Areas of Expertise

Nurseries - insects/mites, Landscape/insects, Landscape/turfgrass IPM, Christmas trees/insects

Research Interests

Monitoring and assessing seasonal populations of sod webworms, hairy chinch bug and bluegrass billbug. Light trap samples have been taken for approximately 18 year/locations and the sod webworms species and northern masked chafer adults have been identified and tallied. However, these data do not help determine larval behavior during an entire season. Studies are to be initiated to take periodic samples and extract the sod webworm larvae to determine life tables. An ongoing project is evaluating hairy chinch bug populations in lawns with a specific interest on how the Beauveria fungal disease appears to be failing to control populations during times of moisture. Many new insecticides and/or formulations are being evaluated each year to determine their spectrum of activity (types of turfgrass insect pests contolled) and timing strategies (preventive, curative, rescue).

Honors

  • 2014 Hall of Fame, Ohio Christmas Tree Growers Association. .
  • 2010 Ohio Nursery & Landscape Association's 2010 Educator & Public Service Award. .
  • 2005 2005 Leadership Award - sponsored by Lawn & Landsc.
  • 2005 Entomological Society of America, Section E, Certi.
  • 1999 Professional Excellence Award. .
  • 1998 ESA Distinguished Achievement Award in Extension. .
  • 1983 ESA Outstanding Teacher Award. .

Journal Articles

2014

  • Shetlar, DJ, J. Andon, 2014, "Season-long control of sod webworms in bentgrass turf, 2008." Arthropod Management Tests 38, G3 - G3.
  • Shetlar, DJ, J. Andon, 2014, "Suppression of ant mound activity on a golf course fairway, 2008." Arthropod Management Tests 38, G8 - G8.
  • Shetlar, DJ, J. Andon, 2014, "Preventive control of white grubs on a golf course rough, 2008." Arthropod Management Tests 38, G15 - G15.
  • Shetlar, DJ, J. Andon, 2014, "Preventive control of the bluegrass billbug in lawn turf, 2012." Arthropod Management Tests 38, G9 - G9.
  • Andon, J, DJ Shetlar, 2014, "Curative control of hairy chinch bugs in lawn turf, 2012." Arthropod Management Tests 38, G7 - G7.
  • Shetlar, DJ, J. Andon, 2014, "Curative control of sod webworms in bentgrass turf, 2008." Arthropod Management Tests 38, G4 - G4.
  • Shetlar, DJ, J. Andon, 2014, "Curative control of sod webworms in bentgrass turf, 2005." Arthropod Management Tests 38, G2 - G2.

2013

  • 2013, "Impact of four turf management regimes on arthropod abundance in lawns.." Pest management science 69, no. 1,

2011

  • Shetlar, D.J., 2011, "Planning Your Grub Control Strategy for 2012.." Turf News! The Ohio Turfgrass Foundation Magazine 73, no. 6, 18-21 - 18-21.
  • Shetlar, D.J., 2011, "Don’t Forget Those Pesky Billbugs!." Turf News! The Ohio Turfgrass Foundation Magazine 73, no. 2, 20-21 - 20-21.
  • Shetlar, D.J., 2011, "Bugging Out! There’s more than one reason why insecticides fail.." Lawn & Landscape Magazine no. January 2011, s11-s12 - s11-s12.

2010

  • Shetlar, D.J., 2010, "What you should know about integrated pest management!." Turf News! The Ohio Turfgrass Foundation Magazine. 72, no. 1, 26-28 - 26-28.
  • Shetlar, D.J., 2010, "Controlling lawn insects without pesticides: Part II - biological controls." Turf News! The Ohio Turfgrass Foundation Magazine 72, no. 3, 20-23 - 20-23.
  • Shetlar, D.J., 2010, "Season-long caterpillar control, fact or fiction?." Turf News! The Ohio Turfgrass Foundation Magazine 72, no. 2, 8-13 - 8-13.
  • Alumai, A., Grunkemeyer, M., Kovach, J., Shetlar, D.J., Cardina, J., Rimelspach, J., Clayton, S., and Grewal, P.S., 2010, "Implementing integrated pest management in professional lawn care: a case study." Urban Ecosyst. no. 13, 37-49 - 37-49.

2008

2007

  • Rochefort,Sophie; Desjardins,Yves; Shetlar,David,J; Brodeur,Jacques, 2007, "Establishment and survival of endophyte-infected and uninfected tall fescue and perennial ryegrass overseeded into existing Kentucky bluegrass lawns in northeastern north America." HORTSCIENCE 42, no. 3, 682-687 - 682-687.

2006

  • 2006, "Trapping Phyllophaga spp. (Coleoptera : Scarabaeidae : Melolonthinae) in the United States and Canada using sex attractants." JOURNAL OF INSECT SCIENCE 6,
  • Rochefort,Sophie; Shetlar,David,J; Brodeur,Jacques, 2006, "Ground beetle assemblages (Coleoptera: Carabidae) and their seasonal abundance in cool season turfgrass lawns of Quebec." Environmental Entomology 35, no. 6, 1508-1514 - 1508-1514.
  • Rochefort,S; Therrien,F; Shetlar,D,J; Brodeur,J, 2006, "Species diversity and seasonal abundance of Collembola in turfgrass ecosystems of North America." Pedobiologia 50, 61-68 - 61-68.

2003

  • Rochefort, S., Y. Carrière, D.J. Shetlar, & J. Brodeur., 2003, "Abondance saisonnière des espèces de pyrales des prés (Lepidoptera: Crambididae) associées aux graminées B gazon au Québec [Seasonal abundance of the sod webworm species (Lepidoptera: Crambinae) associated with turfgrass in Quebec]." Phytoprotection 84, no. 2, 69-75 - 69-75.

2002

  • Niemczyk,H,D; Shetlar,D,J; Power,K,T; Richmond,D,S, 2002, "Seasonal Occurrence of the Sod Webworm Moths (Lepidoptera: Crambidae) of Ohio." Great Lakes Entomologist 33, no. 3-4, 173-185 - 173-185.

2001

  • 2001, "Black cutworm (Lepidoptera: Noctuidae) larval emigration and biomass in mixtures of endophytic perennial ryegrass and Kentucky bluegrass.." Journal of economic entomology 94, no. 5,
  • 2001, "Neonicotinoid insecticides alter diapause behavior and survival of overwintering white grubs (Coleoptera : Scarabaeidae)." PEST MANAGEMENT SCIENCE 57, no. 9,

2000

  • 2000, "Hairy chinch bug (Hemiptera: Lygaeidae) damage, population density, and movement in relation to the incidence of perennial ryegrass infected by Neotyphodium endophytes.." Journal of economic entomology 93, no. 4,
  • 2000, "Overseeding endophytic perennial ryegrass into stands of Kentucky bluegrass to manage bluegrass billbug (Coleoptera: Curculionidae).." Journal of economic entomology 93, no. 6,

1999

  • Richmond,D,S; Shetlar,D,J, 1999, "Larval survival and movement of bluegrass webworm in mixed stands of endophytic perennial ryegrass and Kentucky bluegrass." JOURNAL OF ECONOMIC ENTOMOLOGY 92, no. 6, 1329-1334 - 1329-1334.

1996

  • Richmond,D,S; Shetlar,D,J, 1996, "Eclosion time and spatial distribution of overwintering spruce spider mite (Acari: Tetranychidae) eggs on Colorado spruce." JOURNAL OF ECONOMIC ENTOMOLOGY 89, no. 2, 447-452 - 447-452.

1995

  • Williamson,R,C; Shetlar,D,J, 1995, "OVIPOSITION, EGG LOCATION, AND DIEL PERIODICITY OF FEEDING BY BLACK CUTWORM (LEPIDOPTERA, NOCTUIDAE) ON BENTGRASS MAINTAINED AT GOLF COURSE CUTTING HEIGHTS." JOURNAL OF ECONOMIC ENTOMOLOGY 88, no. 5, 1292-1295 - 1292-1295.

1994

  • SPIESZALSKI,W,W; Niemczyk,H,D; Shetlar,D,J, 1994, "SORPTION OF CHLORPYRIFOS AND FONOFOS ON 4 SOILS AND TURFGRASS THATCH USING MEMBRANE FILTERS." JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES 29, no. 6, 1117-1136 - 1117-1136.