Defensive Regurgitation by a Noctuid Moth Larva (Litoprosopus Futilis)

Defensive Regurgitation by a Noctuid Moth Larva (Litoprosopus Futilis)

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Larvae of the noctuid moth Sun Hat Litoprosopus futilis regurgitate when disturbed.The oral effluent proved deterrent to ants on nearcontact, and topically irritating in a scratch test with a cockroach.Larvae regurgitated when attacked by lycosid spiders and derived some protection from this behavior.Caterpillars Tool Bag were able to regurgitate even when emerging from the eggs; however, at this stage, they proved vulnerable to attack by chrysopid larvae and ants.