Key to Philippine Dolichoderinae

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This worker key is based on: General, D. and G. Alpert. 2012. A synoptic review of the ant genera (Hymenoptera, Formicidae) of the Philippines. ZooKeys. 200:1-111 doi: 10.3897/zookeys.200.2447.

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1

  • In profile, petiole overhung by anterior part of gaster and node absent . . . . . 2
  • In profile, petiole with a conspicuous node, and not overhung by gaster . . . . . 3

2

return to couplet #1

  • In profile, gaster with 4 dorsal segments (tergites), the fifth segment reflexed so that anal pore is ventral, not a termination of gaster . . . . . Tapinoma
  • In profile, gaster with 5 dorsal segments (tergites) and anal pore is terminal . . . . . Technomyrmex

3

return to couplet #1

  • Palps short and hard to see; in profile, dorsal face of propodeum much shorter than propodeal declivity, giving the mesosoma a compact appearance . . . . . Chronoxenus
  • Palps long and conspicuous; dorsal face and declivity of propodeum about equal in length so that the mesosoma appears elongated . . . . . 4

4

return to couplet #3

  • Head and mesosoma much longer than broad; legs extremely elongated . . . . . Leptomyrmex
  • Head roughly triangular and mesosoma not elongated; legs not elongated . . . . . 5

5

return to couplet #4

  • Mesosoma with thick and sculptured integument . . . . . Dolichoderus
  • Mesosoma with thin integument and generally smooth or shagreened . . . . . 6

6

return to couplet #5

  • In profile, rear face of propodeum concave; in side view, metanotal groove a narrow, distinct notch . . . . . Ochetellus
  • In profile, rear face of propodeum convex, rarely flat; in side view, metanotal groove a broad impression . . . . . 7

7

return to couplet #6

  • In frontal view, posterior margin of head strongly concave and eyes located anterior to midline of of head; petiolar node inclined forward; polymorphic workers . . . . . Philidris
  • In frontal view, posterior margin of head at most weakly concave, usually flat or convex; eyes posterior to midline of head; petiolar node more or less vertical; monomorphic workers . . . . . Iridomyrmex