Natural History Bulletin

of the Siam Society

VOLUME 62     No. 2      May 2018

Research articles:
Population Density and Habitat of Siamang and Agile Gibbon in Bala Forest, Southern ThailandSutthirak Nongkaew , Sara Bumrungsri , Warren Y. Brockelman , Tommaso Savini , Anak Pattanavibool and Siriporn Thong-AriPDF
A New Species of the Ant Genus Calyptomyrmex Emery, 1887 (Hymenoptera: Formicidae: Myrmicinae) from Laos and New Record of C. rectopilosus from Thailand and Hong KongWeeyawat Jaitrong and Seiki YamanePDF
Ant Brood Banditry by the Jumping Spider, Siler semiglaucus (Simon, 1901)Timothy C. HawesPDF
The Need to Protect: a Comparison between Three Plant Diversity Plots in Northeast ThailandPeter C. van Welzen Machiel Visser, Nanthawan Suphunte, Sommanussa Saengrit and Voradol ChamchumroonPDF
Congregations of Tear Drinking Bees at Human Eyes: Foraging Strategies for an Invaluable Resource by Lisotrigona in Thailand (Apidae, Meliponini)Hans BänzigerPDF
Steven G. Platt, Oudomxay Thongsavath, Pakham Outhanekone and Thomas R. RainwaterAn Ethnobotanical Note on Nepenthes mirabilis in Lao PDR PDF
Cover photo:
Individuals of a tear drinking bee, Lisotrigona farva, are sipping hu- man tears (photograph by Hans Bänziger). See article by Hans Bänziger, page 161.PDF

Note: This issue was printed on 18 May 2018.