Taxonomic Status of the Oak Gall Wasp Callirhytis hakonensis (Hymenoptera: Cynipidae), with Description of the Sexual Generation

Author:

Wachi Nakatada12,Abe Yoshihisa

Affiliation:

1. Department of Biology, Faculty of Sciences, Kyushu University, Ropponmatsu, Fukuoka 810-8560, Japan

2. Current address: Graduate School of Systems Life Sciences, Kyushu University, Hakozaki, Fukuoka 812-8581, Japan

Abstract

Abstract Comparisons of the external morphology of the holotype (female adult) of Callirhytis hakonensis Ashmead (Hymenoptera: Cynipidae) and the female adults reared and identified as the asexual generation of this species by H. Masuda corroborated the accuracy of his identification. Masuda previously demonstrated the heterogony in this gall wasp by rearing experiments, The holotype (the asexual generation) of this cynipid is redescribed, and female and male adults of the sexual generation are described on the basis of specimens reared by him, Because the adults of the asexual and sexual generations had the diagnostic features of the genus Andricus and not Callirhytis, this gall wasp is transferred to the genus Andricus. Judging from the descriptions of the wasps and galls, Andricus symbioticus Kovalev and Andricus attractus Kovalev are synonymized with A. hakonensis.

Publisher

Oxford University Press (OUP)

Subject

Insect Science

Reference18 articles.

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3. The advantage of attending ants and gall aggregation for the gall wasp Andricus symbioticus (Hymenoptera: Cynipidae).;Abe;Oecologia,1992

4. Abe, Y 2002. Symbiosis between a gall wasp and gall-attending ants via the host plant, pp. 246–257. InNSugiura, FIto, and YMaeta (eds.), Natural history of wasps, bees and ants.Hokkaido University Press, Sapporo, Japan.

5. The diversity and phylogeography of cynipid gallwasps (Hymenoptera: Cynipidae) of the Oriental and Eastern Palearctic regions, and their associated communities.;Abe;Orient. Insects,2007

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