Key to Aenictus javanus group species
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
- Aenictus species groups (diagnoses)
- Key to Aenictus species groups
- The Aenictus genus page.
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
- 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
- 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
- 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
- Lateral face of pronotum smooth and shiny; sculpture if any very superficial (Vietnam, Laos, and Thailand) . . . . . Aenictus nishimurai