University of Kentucky -- College of
Agriculture -- Department of Entomology

Vegetable Insects Calendar for Kentucky


This table shows

Please note:

Key:

- or * indicates insect populations likely to be present

* indicates peak population levels likely

Multiple peaks indicate the particular insect species produces more than one generation per year.

Pest Activity Mar Apr May Jun Jul Aug Sep Oct
Cole Crops
Diamondback moth..----****************.
Cabbage looper...--************.
X-striped cabbageworm.----******************.
Imported cabbageworm.-----*****************.
Cabbage maggot.--******.....
Cucurbits
Squash vine borer.--*****- --******--.
Squash bug..----**************.
Striped cucumber beetle.-******- -**************
Spotted cucumber beetle.-*******- -**************
Seedcorn maggot--******.....
Sweet Corn
Cutworm.--**********-...
Flea beetle.-********---...
Corn earworm...-----*****---.
Fall armyworm...--*********--.
Rootworm larvae..-******--...
Japanese beetle...--******-..
European corn borer..-*****--*****--..
Tomato
Tomato fruitworm...-----*****---.
Flea beetle.-******--....
Spider mites....--******..
Potato
Colorado potato beetle.-******--***********-.
Potato leafhopper..--*******---..
Pepper
European corn borer...--*******-.
Aphids..------------------.

Cooperative Extension Service:
University of Kentucky, Kentucky State University, U.S. Department of Agriculture, and
Kentucky Counties, cooperating