Vegetable Insect Pests of Ohio
Click the trap report icons for pest trap counts.
Aphids 
Host Crops: Various species of aphids infest nearly all commonly grown crops.
Click Here to View Aphid Images
Armyworm (True, Common) 
Species: Mythimna unipuncta
Host Crops: Corn, wheat, oats, barley, and other various grasses/cereals.
Clck Here to View Armyworm Images
Brown Marmorated Stink Bug 
Species: Halyomorpha halys
Host Crops: Green bean, sweet corn, tomato, pepper, eggplant, asparagus, swiss chard, okra
Fact Sheet: Brown Marmorated Stink Bug
Management: Insecticides for Brown Marmorated Stink Bug (2012 Handout)
iBook (iPad): Brown Marmorated Stink Bug in OH (2012)
ePub: Brown Marmorated Stink Bug in OH (2012)
Cabbage Maggot 
Species: Delia radicum
Host Crops: Cruciferous crops (cabbage, cauliflower, broccoli, etc.)
Click Here to View Cabbage Maggot Images
Cabbageworms
Species: Imported Cabbageworm (Pieris rapae), Cabbage Looper (Trichoplusia ni), Diamondback Moth (Plutella xylostella), Cross-Striped Cabbageworm (Evergestis rimosalis)
Host Crops: Cruciferous crops (cabbage, cauliflower, broccoli, etc.)
Fact Sheets: Cabbage Worms
Click Here to View Cabbageworm Images
Carrot Weevil
Species: Listronotus oregonensis
Host Crops: Carrots, parsley
Fact Sheets: Carrot Weevil
Click Here to View Carrot Weevil Images
Species: Leptinotarsa decemlineata
Host Crops: Potatoes, tomatoes, eggplant
Fact Sheets: Colorado potato beetle
Click Here to View Colorado Potato Beetle
Corn Earworm 
Species: Helicoverpa zea (Alt. Tomato Fruitworm)
Host Crops: Sweet corn, tomatoes
Fact Sheets: How to use a pheromone trap for Corn Earworm and European corn borer
Management:
- Managing Insecticide Resistance in Corn Earworm on Sweet Corn (2010 Slideshow)
- Corn Earworm Management for Fresh Market Sweet Corn (2007 Report)
Click Here to View Corn Earworm Images
Cucumber Beetles and Corn Rootworms
Species: Striped Cucumber Beetle (Acalymma vittatum), Spotted Cucumber Beetle (Diabrotica undecimpunctata alt. Southern Corn Rootworm), Western Corn Rootworm (Diabrotica virgifera), Northern Corn Rootworm (Diabrotica barberi)
Host Crops: Cucurbits (pumpkin, squash, melons, cucumber, etc.), corn, peas, beans
Fact sheets:
Management:
- Managing Cucumber Beetles to Reduce Bacterial Wilt in Cucurbits (2013 Slideshow)
- Farming Practices to Manage Cucumber Beetles in Cucurbit Crops (2013 Slideshow)
- Cucumber beetle management by insecticides on pumpkins (2009 Report)
- Cucumber beetle management by insecticides on pickling cucumbers (2009 Report)
Click Here to View Cucumber Beetle and Corn Rootworm Images
European Corn Borer
Species: Ostrinia nubilalis
Host Crops: Sweet corn, bell peppers, other crops
Fact Sheets: European corn borer
- How to use pheromone traps to help monitor ECB and corn earworm on sweet corn in Ohio (2009 Handout)
- European corn borer control in peppers with foliar insecticides (2005 Report)
Click Here to View European Corn Borer Images
Fall Armyworm 
Species: Spodoptera frugiperda
Host Crops: Corn and other various grasses
Click Here to View Fall Armyworm Images
Flea Beetles 
Host Crops: Sweet corn
Fact sheets: Corn flea beetle
Management:
- Management Recommendations for Corn Flea Beetle (2005 Report)
- Corn Flea Beetle Management in Sweet Corn (2009 Slideshow)
Click Here to View Flea Beetle Images
Harlequin Bug 
Species: Murgantia histrionica
Host Crops: Cruciferous crops (cabbage, cauliflower, broccoli, etc.)
Click Here to View Harlequin Bug Images
Hornworms 
Species: Tobacco Hornworm (Manduca sexta), Tomato Hornworm (Manduca quinquemaculata)
Host Crops: Solanaceous crops (tomato, tobacco, pepper, eggplant, potato, etc.)
Click Here to View Hornworm Images
Squash Bug 
Species: Anasa tristis
Host Crops: Cucurbits (pumpkin, squash, melons, cucumber, etc)
Fact Sheets: Squash bug
Click Here to View Squash Bug Images
Squash Vine Borer 
Species: Melittia cucurbitae
Host Crops: Cucurbits (pumpkin, squash, melons)
Fact Sheets: Squash vine borer
Management: Control of squash vine borer by insecticides (2006 Report)