Mating Strategies of Tetranychus kanzawai (Acari: Tetranychidae) in Relation to Mating Status of Females
Authors: Oku, Keiko; Yano, Shuichi; Osakabe, Masahiro; Takafuji, Akio
Source: Annals of the Entomological Society of America, Volume 98, Number 4, July 2005 , pp. 625-628(4)
Publisher: Entomological Society of America
Abstract:
To clarify whether adult male spider mite Tetranychus kanzawai Kishida can recognize the mating status of conspecific females, male preference for virgin and mated females was tested under dual choice conditions. Thirty of 36 males approached virgin females first, indicating that males can perceive female mating status. Males preferred trails made by virgin females to those made by mated females (the ratio was 19:2). Moreover, males also probably used odors to discriminate the mating status of females. These abilities of males may play an important role in gaining access to virgin females. Alternatively, behavior of adult females varied with their mating status. Virgin females were more gregarious and remained on infested kidney bean leaves for a longer time than mated females. This behavior is likely to increase the mating opportunities of virgin T. kanzawai females.Keywords: Tetranychus kanzawai; trail; mean crowding; dispersal capacity; mating status
Document Type: Research article
Publication date: 2005-07-01
- Annals of the Entomological Society of America is published in January, March, May, July, September, and November. Annals especially invites submission of manuscripts that integrate different areas of insect biology, and address issues that are likely to be of broad relevance to entomologists. Articles also report on basic aspects of the biology of arthropods, divided into categories by subject matter: systematics; ecology and population biology; arthropod biology; arthropods in relation to plant diseases; conservation biology and biodiversity; physiology, biochemistry, and toxicology; morphology, histology, and fine structure; genetics; and behavior.
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