1
Cutworm
Agrotis segetum
The soil-dwelling caterpillar larvae of noctuid moths — one of the most destructive garden and agricultural pests, cutting seedlings off at soil level overnight, yet the adult moths are harmless and often beautiful.
You're looking for 7-letter insects containing M — here are 3 matches, each linked to a full profile.
List of 7-letter Insects that contain M
2
No-see-um
Ceratopogonidae (family — many species; common ones include Culicoides spp.)
A tiny biting midge so small it slips through standard window screens, leaving disproportionately painful itchy welts — the bane of summer evenings in coastal and wetland areas.
3
Termite
Reticulitermes flavipes (Eastern subterranean termite)
A wood-eating social insect — actually a derived cockroach — that builds elaborate colonies, decomposes vast quantities of plant matter, and causes billions in property damage annually.
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