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Asian Myrmecology, Volume 10, e010003, pages 1-8, online first (online version of paper published before print issue)

Short Communication
Colony composition and nesting habits of six species of Aphaenogaster in Thailand (Hymenoptera; Formicidae)

SUNITTRA AUPANUN3 *, JIRAPORN KULSARIN1, WEEYAWAT JAITRONG2 & FUMINORI ITO3

1Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200 Thailand

2Thailand Natural History Museum, National Science Museum, Technopolis, Khlong 5, Khlong Luang, Pathum Thani, 12120 Thailand

3Faculty of Agriculture, Kagawa University, Ikenobe, Miki, 761-0795 Japan

Article first published online 16/February/2018

DOI: 10.20362/am.010003

Asian Myrmecology 10: e010003 (1-8)

© S. Aupanun, J. Kulsarin, W. Jaitrong and F. Ito

Abstract: Aphaenogaster ants are known as predators and seed dispersers in temperate forests. The biological information of tropical Aphaenogaster, however, is still limited. We investigated the nesting habits and colony composition of six Aphaenogaster species in Thailand. All six species inhabiting several types of tropical forest nested in the soil of slopes nearby a forest path. In addition, sp. 3 nested under a stone and sp. 4 nests were found under leaf litter and in the rotten wood on the forest floor. The nest structure was simple with only one chamber. The depth of the nest was shallow, approximately 20-30 cm from the soil surface. The average number of workers per colony varied among species, from 37 in sp. 6 to 244 in sp. 1. In each colony of the five species, only one mated queen with active ovaries was found. These characteristics were compared to temperate Aphaenogaster species.

Key words: Bergmann’s rule, colony size, nest structure

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Appendix as electronic supplementary material


Photographs of studied morphospecies (ESM 1-18) and tentative key to the six Thai species based on the worker caste

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