The first queen-worker association for Cretaceous Formicidae: the winged caste of Haidomyrmex cerberus

Collection: Pensoft Publishers

Keywords: Alate queen · Topics: Insect and Arachnid Ecology and Behavior, Fossil Insects in Amber, Plant and animal studies

Two queen ant specimens, one alate and one dealate, from mid-Cretaceous (Late Albian–Early Cenomanian) Burmese amber are herein reported as belonging Haidomyrmex cerberus Dlussky, 1996. This is the first discovery and documentation of an alate queen in Haidomyrmex. Compared with workers of Haidomyrmex cerberus, alate and dealate queens are larger in body size, have smaller compound eyes, a longer antennal scape, more complex mandibles, and a relatively large-sized metasoma. It is hypothesized that these differences are due to caste differences.

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