Key to Pseudolasius of India for major workers

AntWiki: The Ants --- Online

This worker key is based on: Akbar, S.A., Bharti, H. & Wachkoo, A.A. 2017. Discovery of remarkable new ant species of the genus Pseudolasius Emery (Hymenoptera: Formicidae) From Western Ghats of India. Sociobiology 64(2), 133-137 (doi:10.13102/sociobiology.v64i2.1188).

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1

  • Eyes reduced, rudimentary represented by small dots without any distinct ommatidia . . . . . Pseudolasius zamrood
Pseudolasius zamrood maj h.jpg
Pseudolasius zamrood maj p.jpg
  • Eyes distinct consisting of prominent ommatidia . . . . . 2

2

return to couplet #1

  • Cephalic dorsum with an inverted “Y” shaped brown spot . . . . . Pseudolasius emeryi
  • Cephalic dorsum without an inverted “Y” shaped brown spot . . . . . 3

3

return to couplet #2

  • Antennal segments 3-9 longer than wide; frontal carinae parallel . . . . . 4
  • Antennal segments 3-9 wider than long; frontal carinae divergent posteriorly . . . . . Pseudolasius polymorphicus
Wachkoo Bharti 2014-7Pseudolasius-polymorphicus hal.jpg

4

return to couplet #3

Wachkoo Bharti 2014-6Pseudolasius-diversus hal.jpg

5

return to couplet #4

  • Posterior margin of head strongly emarginate in the middle; mandibles with basal two teeth . . . . . 6
  • Posterior margin of head weekly emarginate in the middle; mandibles without basal two teeth combined . . . . . Pseudolasius binghami
Pseudolasius binghami casent0905654 h 1 high.jpg
Pseudolasius binghami casent0905654 p 1 high.jpg

6

return to couplet #5

Bharti Gul and Sharma 2012 Pseudolasius 1.jpg