Tuberaphis owadai (Homoptera), a new aphid species forming a large gall on Styrax tonkinensis in northern Vietnam

Tuberaphis owadai sp. nov., an aphid species forming coral‐shaped galls on Styrax tonkinensis in northern Vietnam, is described. We found that the species produces many sterile second‐instar soldiers in the gall. The colony size of a large gall was estimated to be 178 000, approximately half of whic...

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Bibliographic Details
Published inEntomological science Vol. 6; no. 2; pp. 89 - 96
Main Authors KUROSU, Utako, AOKI, Shigeyuki
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Science Pty 01.06.2003
Subjects
Aphididae
Assara seminivalis
Cerataphidini
soldier aphid
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Summary:Tuberaphis owadai sp. nov., an aphid species forming coral‐shaped galls on Styrax tonkinensis in northern Vietnam, is described. We found that the species produces many sterile second‐instar soldiers in the gall. The colony size of a large gall was estimated to be 178 000, approximately half of which were soldiers. Alates emerging from galls contained sexual embryos, indicating that the life cycle is monoecious (non‐host‐alternating). Predaceous larvae of the pyralid moth Assara seminivalis were found in several galls.
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ISSN:1343-8786
1479-8298
DOI:10.1046/j.1343-8786.2003.00012.x