Key to Aenictus phillippinensis group species

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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.

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1

  • Frons of head smooth and shiny; mandible extensively smooth and shiny, with scattered punctures, or striae confined to periphery . . . . . 2
  • Frons of head sculptured (superficially to very densely punctate); mandible almost entirely sculptured . . . . . 3

2

return to couplet #1

  • With head seen in profile occipital corner produced as a small lobe; sides of head partly superficially shagreened with smooth and shiny interspaces; larger species (HW 0.83–0.85 mm; TL 4.35–4.45 mm) . . . . . Aenictus rabori
Aenictus rabori casent0217384 h 1 high.jpg
Aenictus rabori casent0217384 p 1 high.jpg
  • With head seen in profile occipital corner without such a lobe; sides of head entirely smooth and shiny; smaller species (HW 0.78-0.80 mm; TL 4.00–4.10 mm) . . . . . Aenictus pangantihoni

3

return to couplet #1

  • Head entirely punctate, punctures fine and very dense; dorsal face of pronotum punctate (Borneo and Java) . . . . . Aenictus punctatus
Aenictus punctatus casent0903683 h 1 high.jpg
Aenictus punctatus casent0903683 p 1 high.jpg
  • Head superficially reticulate, slightly shiny; dorsal face of pronotum almost smooth and shiny (Philippines) . . . . . Aenictus philippinensis