Maritime trap-jaw ants (Hymenoptera, Formicidae, Ponerinae) of the Indo-Australian region - redescription of Odontomachus malignus Smith and description of a related new species from Singapore, including first descriptions of males

ZooKeys
Wendy Y WangSeiki Yamane

Abstract

The maritime trap-jaw ant Odontomachus malignus Smith, 1859 is thought to be widespread throughout islands in the Indo-Pacific and parts of the Oriental realm. Because of its unique nesting preference for harsh littoral habitat and distinct morphology, O. malignus has usually been assumed to consist of only one species. We, however, describe a new species similar to O. malignus found in the mangroves of Singapore, Southeast Asia - Odontomachus litoralissp. nov. We find strong evidence of both species existing in (near) sympatry, and also distinct morphological differences between O. malignus and the new species. Additional complementary DNA evidence in the form of COI barcodes (313 bp) supporting putative species identification and delimitation is provided. Defining morphological characteristics for the O. malignus species group (nested within the larger O. infandus clade) are given in detail for the first time. The worker and queen castes of the new species are described; a redescription of the worker caste of O. malignus, based on specimens from Singapore and the Philippines in addition to the holotype, is also given. The males of both species are also described for the first time, including male genitalia. A preliminary key ...Continue Reading

References

Oct 5, 1990·Journal of Molecular Biology·S F AltschulD J Lipman
Aug 30, 2012·Nature Methods·Caroline A SchneiderKevin W Eliceiri
Nov 30, 2012·Nucleic Acids Research·Dennis A BensonEric W Sayers
Dec 22, 2012·Science·Ben G HoltCarsten Rahbek
Jan 19, 2013·Molecular Biology and Evolution·Kazutaka Katoh, Daron M Standley
Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Jul 28, 2016·Molecular Phylogenetics and Evolution·Fredrick J LarabeeAndrew V Suarez

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Datasets Mentioned

BETA
KU146009
KU146082.1
MK910354
MK910363

Software Mentioned

MEGA
clust
BLAST
SpeciesIdentifier
obj
MAFFT
AntWeb
Adobe Photoshop
Basic Local Alignment Search Tool ( BLAST )
ImageJ

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