A Revision of the Ant Subgenus Polyrhachis Fr. Smith (Hymenoptera: Formicidae: Formicinae) in Thailand

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Weeyawat Jaitrong
Decha Wiwatwitaya
Piyawan Suttiprapan
Wattanachai Tasen


The members of the ant subgenus Polyrhachis in Thailand are revised. Four species of the subgenus are recognized in the country. They belong to the following two species-groups: Polyrhachis lamellidens species-group (P. craddocki Bingham) and Polyrhachis bihamata species-group (P. bihamata (Drury), P. olybria Forel and P. ypsilon Emery). Polyrhachis craddocki is newly recorded from Thailand. Many new localities are given for the other three species. A key to species is provided based on the worker caste. Morphological and ecological information are presented for each species. Lastly, distribution pattern of the four species are given.

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Jaitrong, W., Wiwatwitaya, D., Suttiprapan, P., & Tasen, W. (2018). A Revision of the Ant Subgenus Polyrhachis Fr. Smith (Hymenoptera: Formicidae: Formicinae) in Thailand. Thai Journal of Forestry, 37(1), 1–15. Retrieved from https://li01.tci-thaijo.org/index.php/tjf/article/view/246773
Original Articles


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