Small Milkweed Bug vs Eastern Tailed-Blue

Side-by-side species comparison

Attribute Small Milkweed Bug Eastern Tailed-Blue
Scientific Name Lygaeus kalmii Cupido comyntas
Order Hemiptera Lepidoptera
Family Lygaeidae Lycaenidae
Size 10-12 mm 20-29 mm wingspan
Habitat Grasslands Grasslands
Diet Predators Nectar Feeders
Regions North America North America
Conservation Least Concern Least Concern

Small Milkweed Bug

A boldly patterned red-and-black seed bug that feeds on milkweed seeds and sequesters toxic cardiac glycosides. Its warning coloration advertises its chemical defense to predators.

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Did You Know?

It stores milkweed toxins in its body, making it taste terrible to birds and other predators that try to eat it.

Eastern Tailed-Blue

Tiny blue butterfly with thin tails on the hindwings and orange spots near the tail. One of the smallest and most common butterflies in eastern North America.

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Did You Know?

Its tiny hindwing tails mimic antennae, tricking predators into attacking the wrong end.