Insectes Sociaux

, Volume 41, Issue 3, pp 273–278 | Cite as

Frequent occurrence of gynandromorphs in the natural population of the antVollenhovia emeryi (Hymenoptera: Formicidae)

  • K. Kinomura
  • K. Yamauchi
Research Articles


Many gynandromorphs were obtained from the natural population ofVollenhovia emeryi (microgyna form) in Gifu, Japan. They were primarily male: most had the thorax and gaster of males, and the head contained tissues partially feminized to varying degrees. These gynandromorphs were found in 27 of 45 colonies studied (60.0%). Their proportion to total males in each colony varied from 3.7–47.7%, with a mean of 21.4% (n = 21). The gynandromorphs were found in all study areas and in every study year, suggesting that gynandromorphism in this species is not a rare phenomenon. Moreover, this observation suggests that gynandromorphs may occur more frequently in micraners than in macraners.

Key words

Vollenhovia emeryi gynandromorph dimorphism microgyna polygyny 


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Copyright information

© Birkhäuser Verlag 1994

Authors and Affiliations

  • K. Kinomura
    • 1
  • K. Yamauchi
    • 2
  1. 1.Gifu-Aikawa High SchoolGifuJapan
  2. 2.Department of Biology, Faculty of EducationGifu UniversityGifuJapan

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