A new subterranean Crematogaster with one ommatidium from cambodia, based on morphology and DNA (Hymenoptera: Formicidae)

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Abstract

A subterranean myrmicine ant Crematogaster monocula sp. nov. is described based on two worker specimens from Cambodia. This species belongs to the C. biroi group of the subgenus Orthocrema Santschi, 1918, which is characterized by developed subpetiolar process, developed subpostpetiolar process and sculptured mesosoma. The new species is easily distinguished from other species of Crematogaster Lund, 1831 by having only one ommatidium. DNA sequences comprising a 761 bp fragment of the 3’ region of the mitochondrial COI gene were amplified and analyzed for C. monocula sp. nov. and other closely related species from the same group. The interspecific COI divergence is 17.8% for C. monocula sp. nov. and C. reticulata Hosoishi, 2009. This species is unique in having the smallest eye in the genus Crematogaster.

Original languageEnglish
Pages (from-to)507-511
Number of pages5
JournalActa Entomologica Musei Nationalis Pragae
Volume59
Issue number2
DOIs
Publication statusPublished - Jan 1 2019

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Crematogaster
ommatidia
Cambodia
Formicidae
Hymenoptera
DNA
new species
ant
eyes
divergence
nucleotide sequences
gene
genes

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

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title = "A new subterranean Crematogaster with one ommatidium from cambodia, based on morphology and DNA (Hymenoptera: Formicidae)",
abstract = "A subterranean myrmicine ant Crematogaster monocula sp. nov. is described based on two worker specimens from Cambodia. This species belongs to the C. biroi group of the subgenus Orthocrema Santschi, 1918, which is characterized by developed subpetiolar process, developed subpostpetiolar process and sculptured mesosoma. The new species is easily distinguished from other species of Crematogaster Lund, 1831 by having only one ommatidium. DNA sequences comprising a 761 bp fragment of the 3’ region of the mitochondrial COI gene were amplified and analyzed for C. monocula sp. nov. and other closely related species from the same group. The interspecific COI divergence is 17.8{\%} for C. monocula sp. nov. and C. reticulata Hosoishi, 2009. This species is unique in having the smallest eye in the genus Crematogaster.",
author = "Shingo Hosoishi",
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N2 - A subterranean myrmicine ant Crematogaster monocula sp. nov. is described based on two worker specimens from Cambodia. This species belongs to the C. biroi group of the subgenus Orthocrema Santschi, 1918, which is characterized by developed subpetiolar process, developed subpostpetiolar process and sculptured mesosoma. The new species is easily distinguished from other species of Crematogaster Lund, 1831 by having only one ommatidium. DNA sequences comprising a 761 bp fragment of the 3’ region of the mitochondrial COI gene were amplified and analyzed for C. monocula sp. nov. and other closely related species from the same group. The interspecific COI divergence is 17.8% for C. monocula sp. nov. and C. reticulata Hosoishi, 2009. This species is unique in having the smallest eye in the genus Crematogaster.

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