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COLCONDAMYIA AUDITRIX NOV. SP. (DIPTERA: SARCOPHAGIDAE), A PARASITE WHICH IS ATTRACTED BY THE MATING SONG OF ITS HOST, OKANAGANA RIMOSA (HOMOPTERA: CICADIDAE)1

Published online by Cambridge University Press:  31 May 2012

R. S. Soper ,
G. E. Shewell  and
D. Tyrrell
R. S. Soper
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario
G. E. Shewell
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa, Ontario
D. Tyrrell
Affiliation:
Insect Pathology Research Institute, Canadian Forestry Service, Sault Ste. Marie, Ontario
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Abstract

A new species of sarcophagid, Colcondamyia auditrix, is described, which locates its cicada host by sound. The fly was shown to respond to the mating song of the male cicada, and the majority of parasitized cicadas were male. Parasitism of females occasionally occurs when they are attracted to males simultaneously with the parasite. Levels of parasitism varied from 18.6% in 1962 to 0.2% in 1967 to 14.1% in 1973. Male cicadas lost their sound producing capability following parasitization, rendering them inaccessible to further female flies and thus apparently preventing multiple parasitism.

Résumé

Les auteurs décrivent une nouvelle espèce de Sarcophagidé, Colcondamyia auditrix qui localise son hôte, la Cigale, par audition Ils démontrent que la mouche réagi au chant d’accouplement de la cigale mâle, et que les cigales parasitées sont en grande partie des mâles. Il peut arriver occasionnellement, que les femelles soient elles aussi parasitées lorsqu’ elles sont atirées par leur mâle en même temps que le parasite. Les niveaux de parasitisme ont varié de 18.6% en 1962 à 0.2% en 1967, et à 14.1% en 1973. Après avoir été parasitées, l’appareil sonore des cigales se détériore, et ne pouvant ainsi plus localiser leur hôte, les mouches femelles ne peuvent, apparamment, provoquer de parasitisme multiple.

Type
Articles
Information
The Canadian Entomologist , Volume 108 , Issue 1 , January 1976 , pp. 61 - 68
Copyright
Copyright © Entomological Society of Canada 1976

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