Psyche: A Journal of Entomology

Psyche: A Journal of Entomology / 1993 / Article

Open Access

Volume 100 |Article ID 067950 |

Scott R. Smedley, Elizabeth Ehrhardt, Thomas Eisner, "Defensive Regurgitation by a Noctuid Moth Larva (Litoprosopus Futilis)", Psyche: A Journal of Entomology, vol. 100, Article ID 067950, 13 pages, 1993.

Defensive Regurgitation by a Noctuid Moth Larva (Litoprosopus Futilis)

Received19 Jul 1993


Larvae of the noctuid moth 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 were able to regurgitate even when emerging from the eggs; however, at this stage, they proved vulnerable to attack by chrysopid larvae and ants.

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