Title

Effect of an ecdysone agonist, RH 5849, on wandering behaviour in Spodoptera littoralis

Abstract

Wandering behaviour of the fall armyworm, Spodoptera littoralis has been examined using a video-digitizing computer system. Ecdysteroid titers prior to and during wandering have been determined using an enzyme immunoassay. RH 5849, an agonist of 20-hydroxyecdysone (20E) applied at various times before wandering to last instar larvae of S. littoralis caused a delay in the onset of wandering, varying from 0.5 to 4.5 hr. This delay was dose dependent. We suggest that wandering in S. littoralis may be induced by a decrease in ecdysteroid titers.

Document Type

Article

DOI

https://doi.org/10.1016/0742-8413(95)02064-0

Keywords

20E, ecdysteroids, enzyme immunoassay, gated development, OXALIS, RH 5849, Spodoptera littoralis, wandering behaviour

Publication Date

1-1-1996

Journal Title

Comparative Biochemistry and Physiology - C Pharmacology Toxicology and Endocrinology

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