Turkey Gnat vs European Seedcorn Ground Beetle

Side-by-side species comparison

Attribute Turkey Gnat European Seedcorn Ground Beetle
Scientific Name Simulium meridionale Zabrus tenebrioides
Order Diptera Coleoptera
Family Simuliidae Carabidae
Size 2-4 mm 14-18 mm
Habitat Farmland Farmland
Diet Blood Feeders Herbivores
Regions North America Europe, Central Asia
Conservation Least Concern Least Concern

Turkey Gnat

A black fly notorious for swarming livestock in the southern United States. Larvae attach to rocks in swift streams using silken pads and posterior hooks.

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Did You Know?

Massive swarms historically caused turkey and livestock deaths in the Mississippi Valley through blood loss and allergic reactions.

European Seedcorn Ground Beetle

An unusual ground beetle that is herbivorous as an adult, feeding on cereal crops. Larvae are predatory and live in soil burrows.

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Did You Know?

It is one of the very few ground beetles that is a crop pest rather than a beneficial predator.