Pre-plant insecticide applications for the control of some common soil-inhabiting insect pests of vegetables.

*PRE-PLANT APPLICATIONS ONLY.  READ ALL LABELS CAREFULLY.  Home and garden formulations of diazinon are available under several trade names for the control of cutworms, onion maggots, root maggots, rootworms, and wireworms. This table indicates (in part) the EPA labeled uses for the different formulations of diazinon for the control of soil insects in the home garden.

CW = Cutworms OM = Onion maggots RM = Root maggots RW = Rootworms WW = Wireworms

Host	Diazinon 5% granules*	Diazinon 4% dust*	Diazinon 25%EC*
Beans		CW, WW	CW, WW (snap only)
Beets			CW, WW
Cabbage	CW, RM, WW	CW, WW	CW, RM, WW
Carrot	WW	CW, WW	CW, WW
Cauliflower	CW, RM, WW	CW, WW
Celery	CW, WW
Collards	CW, WW
Corn, sweet	WW, RW	CW, WW	CW, WW
Cucumbers	CW, WW	CW, WW
Endive	CW, WW	CW, WW
Kale	CW, WW
Lettuce	CW, WW	CW, WW	CW, WW
Lima beans	CW, WW
Melon		CW, WW
Muskmelon	CW, WW
Onion	OM, WW	CW, WW
Parsley	CW, WW
Parsnip		CW, WW
Peas	CW, WW	CW, WW	CW, WW
Pepper	CW, WW	CW, WW
Potato	CW	CW, WW
Radish	RM		CW
Snap bean	CW, WW		CW

Developed by Eric R. Day, Manager, Insect Identification Laboratory, Department of Entomology, Virginia Tech

If you have questions or comments about this page, or notice errors, please send us an e-mail message at idlab@vt.edu. Be sure to include your location (State) and mailing address. Or, you can contact my office at: Insect Identification Lab, Department of Entomology, Virginia Tech, Blacksburg, VA 24061-0319. Please let us know how you heard about this World Wide Web page.