What Eats Onion in Idaho, and When

Two mature onions with papery golden-brown skin growing in dark garden soil with green leafy tops visible.

Idaho’s onion pests come down to a short, specific list: onion maggot, aphids, cutworms, wireworms, and grasshoppers, according to University of Idaho…

What Eats Corn in Idaho, and When

A snail crawls across corn silk in a summer cornfield surrounded by tall green plants.

University of Idaho Extension documents eleven garden pests statewide, but only four of them actually feed on corn: wireworms and cutworms attack it…

What Eats Potato in Idaho, and When

Freshly harvested purple potatoes displayed on dark garden soil with two hand trowels in sunlight.

Idaho gardeners dealing with potato damage are usually looking at one of six insects that University of Idaho Extension has documented feeding on this…

What Eats Parsnip in Idaho, and When

Three freshly harvested parsnips lie on bare desert soil with sparse desert vegetation visible in the background.

University of Idaho Extension documents a specific handful of insects that actually go after parsnip in Idaho gardens, and only some of them, drawn from…

What Eats Carrot in Idaho, and When

A dark fly rests on a partially damaged orange carrot root lying in garden soil with surrounding green foliage.

University of Idaho Extension documents eleven insect pests statewide, but only five of them touch a carrot: aphids, carrot rust fly, cutworms…

What Eats Onion in Hawaii, and When

Golden-brown onions with papery skins and white centers displayed on a wooden crate in front of a growing crop field.

University of Hawaii CTAHR Extension documents eight pests that show up on onion-family crops across the islands, but only six of them actually feed on…