Black Cutworm vs Blue Metalmark

Side-by-side species comparison

Attribute Black Cutworm Blue Metalmark
Scientific Name Agrotis ipsilon Lasaia sula
Order Lepidoptera Lepidoptera
Family Noctuidae Riodinidae
Size 40-55 mm wingspan 18-22 mm wingspan
Habitat Indoors Forests
Diet Seed Feeders Omnivores
Regions Worldwide South Texas, Mexico, Central America
Conservation Not Evaluated Least Concern

Black Cutworm

A dull brown moth whose soil-dwelling caterpillars sever young seedlings at ground level during the night. It is a cosmopolitan pest that migrates long distances.

💡

Did You Know?

Cutworm caterpillars curl into a C-shape when disturbed, a diagnostic behavior for identifying them in soil.

Blue Metalmark

A tiny butterfly with vivid metallic blue upper wings that flash brilliantly in sunlight. It perches on rocks and gravel near streams in tropical forests.

💡

Did You Know?

Its brilliant blue iridescence is structural rather than pigmented, produced by nanoscale lattice structures in the wing scales.