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Ecdysteroid agonist RH-2485 injected into Schistocerca gregaria (Orthoptera: Acrididae) females accelerates oviposition and enhances ecdysteroid content in eggs


Ecdysteroid agonist RH-2485 injected into Schistocerca gregaria (Orthoptera: Acrididae) females accelerates oviposition and enhances ecdysteroid content in eggs



Applied Entomology and Zoology 37(3): 409-414



ISSN/ISBN: 0003-6862

DOI: 10.1303/aez.2002.409

The bisacylhydrazine derivative RH-2485, which acts on certain insects as a potent ecdysteroid agonist, was injected into gregarious adult females of S. gregaria. Injection of RH-2485 accelerated the oviposition without affecting fecundity and lifespan of the pest. The first and second egg pods were laid earlier and contained more than the usual number of eggs. In subsequent egg-laying, the number of eggs per pod decreased to the control level.

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