Key to Aphaenogaster European testaceopilosa-group males

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This worker key is based on: Boer, P. 2013. Revision of the European ants of the Aphaenogaster testaceopilosa-group (Hymenoptera: Formicidae). Tijdschrift voor Entomologie 156, 57–93. PDF

Identifications should be preferably based on several specimens from the same colony, if possible of all three castes. Males of Aphaenogaster balcanicoides, Aphaenogaster karpathica, Aphaenogaster melitensis and Aphaenogaster simonellii are unknown.

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1

  • Antennal club 6–8-segmented (indistinct club) . . . . . 2

2

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3

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  • Pubescence of the hind tibia shorter than or equal to tibial diameter . . . . . 4
  • Pubescence of the hind tibia longer than tibial diameter. Between propodeum and metanotum a deep impression, a saddle form is emphasized . . . . . Aphaenogaster campana

4

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5

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  • OCI > 44, head smaller CI < 95, CW < 0.87 mm . . . . . 6
  • OCI < 44, head relative wide CI 91–100 (94), CW 0.82–0.96 (0.87) mm . . . . . Aphaenogaster picena

6

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  • At least some lateral parts of mesosoma and petioles glossy to shiny . . . . . 7

7

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  • Head, pronotum, mesoscutum and scutellum matt. Pubescence on scape and hind tibia appressed to decumbent, equal to or longer than the diameter of scape/tibia . . . . . 8
  • Head, pronotum, mesoscutum and scutellum matt. Pubescence on scape and hind tibia subdecumbent to suberect, shorter than the diameter of scape/tibia . . . . . Aphaenogaster balcanica

8

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