Title

Control of copula duration and sperm storage by female Queensland fruit flies

Authors

Authors

D. Perez-Staples; C. W. Weldon; P. Radhakrishnan; J. Prenter;P. W. Taylor

Comments

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Abbreviated Journal Title

J. Insect Physiol.

Keywords

Mating termination; Copulation; Tephritidae; Bactrocera tryoni; Ventral; receptacle; Spermathecae; Repeatability; Copula control; Sperm ejection; YELLOW DUNG FLY; ANASTREPHA-SUSPENSA DIPTERA; CERATITIS-CAPITATA; DIPTERA; OPERATIONAL SEX-RATIO; DROSOPHILA-MELANOGASTER; SCATHOPHAGA-STERCORARIA; SCATOPHAGA-STERCORARIA; FERTILIZATION SUCCESS; RHAGOLETIS-JUGLANDIS; REMATING INHIBITION; Entomology; Physiology; Zoology

Abstract

Copula duration and sperm storage patterns can directly or indirectly affect fitness of male and female Insects Although both sexes have an interest in the outcome research has tended to focus on males To investigate female influences we compared copula duration and sperm storage of Queensland fruit fly females that were intact or had been incapacitated through decapitation or abdomen isolation We found that copulations were far longer when females had been incapacitated indicating that constraints imposed on copula duration by Intact females had been relaxed Repeatability of copula duration for males was very low regardless of female treatment and this is also consistent with strong female influence Number of sperm in the spermathecae was not influenced by female treatment suggesting that female abdominal ganglia control the transport of sperm to these long-term storage organs However more sperm were found in the ventral receptacles of incapacitated females compared to intact females Overall results implicate cephalic ganglia in regulation of copula duration and short-term sperm storage in the ventral receptacle and abdominal ganglia in regulation of long-term sperm storage in the spermathecae (C) 2010 Elsevier Ltd All rights reserved

Journal Title

Journal of Insect Physiology

Volume

56

Issue/Number

12

Publication Date

1-1-2010

Document Type

Article

Language

English

First Page

1755

Last Page

1762

WOS Identifier

WOS:000284568800006

ISSN

0022-1910

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