Possible symbiont-induced thelytoky inGaleopsomyia fausta, a parasitoid of the citrus leafminerPhyllocnistis citrella |
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| Authors: | Y Argov Y Gottlieb S Amin-Spector E Zchori-Fein |
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| Institution: | (1) Citrus Marketing Board of Israel, The Israel Cohen Institute for Biological Control, 50250 Bet Dagan, Israel;(2) Dept. of Entomology, The Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, 76100 Rehovot, Israel;(3) ARO, Newe Ya’ar Research Center, 30095 Ramat Yishay, Israel |
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| Abstract: | Galeopsomyia fausta (Hymenoptera: Eulophidae) is a thelytokous parasitic wasp attacking the citrus leafminer,Phyllocnistis citrella Stainton (Lepidoptera: Gracillariidae). To improve the performance of that wasp as a natural enemy, the nature of its uniparental
reproduction was studied. It was found that the production of males can be induced by antibiotic treatments, but attempts
to establish a biparentalG. fausta line have failed. The reproductive barrier between antibiotic-induced males and conspecific females appears to be the non-receptivity
of females. The results imply involvement of microorganisms in the thelytokous reproduction ofG. fausta, but noWolbachia was detected in polymerase chain reaction. |
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| Keywords: | Sex ratio reproductive barrier parthenogenesis biological control |
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