Key to Aenictus javanus group species

AntWiki - Where Ant Biologists Share Their Knowledge
Jump to: navigation, search

The following worker key is based on Jaitrong, W. & Yamane, S. (2012) Review of the Southeast Asian species of the Aenictus javanus and Aenictus philippinensis species groups (Hymenoptera, Formicidae, Aenictinae). ZooKeys 193: 49–78, doi: 10.3897/zookeys.193.2768.

You might be interested in

1

  • Basal margin of mandible with a distinct denticle behind large basal tooth; smaller species (HW 0.25–0.38 mm) (E. Thailand) . . . . . Aenictus duengkaei
Aenictus duengkaei casent0903678 h 1 high.jpg
Aenictus duengkaei casent0903678 p 1 high.jpg
  • Basal margin of mandible lacking denticle larger species (HW 0.40–0.65 mm) . . . . . 2

2

return to couplet #1

  • Declivity of propodeum almost flat, with blunt lateral carinae, but not demarcated basally by a transverse carina (Philippines) . . . . . Aenictus piercei
  • Declivity of propodeum shallowly concave, and margined with a thin carina both laterally and basally . . . . . 3

3

return to couplet #2

  • With head seen in profile occipital corner bluntly angulated (almost rightangled) (Java and Borneo) . . . . . Aenictus javanus
Aenictus javanus casent0281960 h 1 high.jpg
Aenictus javanus casent0281960 p 1 high.jpg
  • With head seen in profile occipital corner rounded . . . . . 4

4

return to couplet #3

  • Petiole distinctly longer than high; postpetiole almost as long as petiole (S. Thailand) . . . . . Aenictus longinodus
Aenictus longinodus casent0903679 h 1 high.jpg
Aenictus longinodus casent0903679 p 1 high.jpg
  • Petiole almost as long as high; postpetiole slightly larger than petiole . . . . . 5

5

  • Lateral face of pronotum shiny but with reticulation (Vietnam, Laos, and Thailand) . . . . . Aenictus doydeei
Aenictus doydeei casent0903680 h 1 high.jpg
Aenictus doydeei casent0903680 p 1 high.jpg
  • Lateral face of pronotum smooth and shiny; sculpture if any very superficial (Vietnam, Laos, and Thailand) . . . . . Aenictus nishimurai
Aenictus nishimurai head (www.niaes.affrc.go.jp).jpg
Aenictus nishimurai side (www.niaes.affrc.go.jp).jpg