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Courtship Behaviour of the False Codling Moth, Cryptophlebia Leucotreta (Meyrick): Androconial Display and Mating Success (Lepidoptera, Tortricidae)

Courtship Behaviour of the False Codling Moth, Cryptophlebia Leucotreta (Meyrick): Androconial... Summary Morphological and histological studies on the false codling moth, Cryptophlebia leucotreta, revealed that males possess 3 androconial area seemingly independent of one another. The first one is a notch on the hindwings, the second one consists of small coremata between the abdominal segments VII and VIII, and the last one is a modification of a tibial spur on the hindlegs, hidden by large scales covering the whole leg. The behaviour of these androconia during courtship was studied in the laboratory. It appeared that all 3 types of androconia were successively involved during an original covering behaviour. Repeated observations of courtship have shown that the use of androconia was not essential to mating success, but resulted in a significant advantage to males by increasing the percent of successful matings and decreasing the average number of attempts before copulation. Moreover, males exhibited either a complete covering when the female was sitting on a vertical substrate, or a partial display for other positions of the calling female; this incomplete sequence thus appears to be a behavioural adaptation to the topography of the mating site. The evolution of such a courtship behaviour, one of the most complex ever described in Lepidoptera, is discussed in relation with sexual selection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales de la Société entomologique de France (N S ) Taylor & Francis

Courtship Behaviour of the False Codling Moth, Cryptophlebia Leucotreta (Meyrick): Androconial Display and Mating Success (Lepidoptera, Tortricidae)

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Publisher
Taylor & Francis
Copyright
© 1987 Société entomologique de France
ISSN
2168-6351
eISSN
0037-9271
DOI
10.1080/21686351.1987.12278816
Publisher site
See Article on Publisher Site

Abstract

Summary Morphological and histological studies on the false codling moth, Cryptophlebia leucotreta, revealed that males possess 3 androconial area seemingly independent of one another. The first one is a notch on the hindwings, the second one consists of small coremata between the abdominal segments VII and VIII, and the last one is a modification of a tibial spur on the hindlegs, hidden by large scales covering the whole leg. The behaviour of these androconia during courtship was studied in the laboratory. It appeared that all 3 types of androconia were successively involved during an original covering behaviour. Repeated observations of courtship have shown that the use of androconia was not essential to mating success, but resulted in a significant advantage to males by increasing the percent of successful matings and decreasing the average number of attempts before copulation. Moreover, males exhibited either a complete covering when the female was sitting on a vertical substrate, or a partial display for other positions of the calling female; this incomplete sequence thus appears to be a behavioural adaptation to the topography of the mating site. The evolution of such a courtship behaviour, one of the most complex ever described in Lepidoptera, is discussed in relation with sexual selection.

Journal

Annales de la Société entomologique de France (N S ) – Taylor & Francis

Published: Apr 30, 1987

Keywords: Lepidoptera; Tortricidae; Cryptophlebia; leucotreta; courtship; behaviour; courtship pheromone; androconia; mating success

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