A new genus of hell ants from the Cretaceous (Hymenoptera: Formicidae: Haidomyrmecini) with a novel head structure

Phillip Barden, Hollister W. Herhold, David A. Grimaldi

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

An unusual Cretaceous trap jaw ant is described from Burmese amber dated to the Late Cretaceous. Linguamyrmex vladi gen.n. sp.n. is distinguished by an unusual suite of morphological characters indicating specialized predatory behaviour and an adaptive strategy no longer found among modern ant lineages. The clypeus, highly modified as in other closely related haidomyrmecine hell ants, is equipped with a paddle-like projection similar to Ceratomyrmex. X-ray imaging reveals that this clypeal paddle is reinforced, most probably with sequestered metals. Presumably this fortified clypeal structure was utilized in tandem with scythe-like mandibles to pin and potentially puncture soft-bodied prey. This unique taxon, which stresses the diversity of stem-group ants, is discussed in the context of modern and other Cretaceous trap jaw ant species. This published work has been registered in ZooBank, http://zoobank.org/urn:lsid:zoobank.org:pub:40D636A3-4D88-470A-BC5B-85ABFD1A49E2.

Original languageEnglish (US)
Pages (from-to)837-846
Number of pages10
JournalSystematic Entomology
Volume42
Issue number4
DOIs
StatePublished - Oct 2017

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

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