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Sex determination in bees. XXX. Effects of juvenile hormones on the development of tergal glands in Melipona

Written by
Journal of Apicultural
Research

 
Vol. 33 (1) pp. 11-14
 
Date
March 1994
 
Article Title

Sex determination in bees. XXX. Effects of juvenile hormones on the development of tergal glands in Melipona

Author(s)
Ana Maria Bonetti; Carminda Da Cruz-Landim; Warwick Estevam Kerr
 
Abstract

Worker larvae of Melipona rufiventris, M. quadrifasciata and M. compressipes were treated topically with juvenile hormone (JH) during the cocoon-spinning phase. Examination of the tergites of the queens obtained following JH application showed induced differentiation into adults with full female (queen) traits. Melipona workers had tergal glands only in tergite II, whereas natural and JH-induced queens had tergal glands in tergite II plus additional glands in at least one other of tergites III to VII.

Keywords

stingless bees, Melipona, tergal glands, juvenile hormone, castes, females, genetic expression, differentiation

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