e.g. Castor hairy caterpillar,
Euproctis fraterna. 13. NOCTUIDAE (Noctua moths)
They are medium sized, stoutly built moths.
They are nocturnal and attracted to light.
Labial palp is well developed.
Crochets on the larval prolegs are all of one size and arranged in semi-circle.
Some larvae are semiloopers. They have either three or four pairs of prolegs.
Insect Morphology and Systematics
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Larvae attack the plants during night. Larvae of some species remain concealed beneath
the surface of the ground or litter on the surface during day and feed on plants during
night. They often cut small seedlings close to the ground and hence they are called cut
worms.