Subject: Red Milkweed Beetles (Milkweed Longhorns), Tetraopes tetrophthalmus

Location: Upshur County, West Virginia

Stock Number: MUA-05

Comments: This species is variable in size, with the largest beetles about twice as big as the smallest ones.

These colorful beetles are found on milkweed plants, and seem to be most numerous in West Virginia in late June and early July.

Milkweeds are also the food plant of the larva.