Key to Crematogaster kelleri group males

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This male key is based on: Blaimer, B.B. & Fisher, B.L. 2013. How much variation can one ant species hold? Species delimitation in the Crematogaster kelleri-group in Madagascar. PLoS ONE 8(7): e68082 (doi:10.1371/journal.pone.0068082).

A more detailed treatment of the castes of this group can be found here: Crematogaster kelleri group

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1

  • Antennae with second and third funicular segment longer than wide (Fig. 15); scutellum in dorsal view tapering greatly from anterior to posterior end, dorsoposterior part truncate (Fig. 16) . . . . . 2
Figure 15. Antennae with second and third funicular segment longer than wide C. kelleri
Figure 16. Scutellum in dorsal view tapering greatly from anterior to posterior end, dorsoposterior part truncate C. kelleri
  • Antennae with second and third funicular segment globular, as long as wide (Fig. 17); scutellum in dorsal view moderately tapering (Fig. 18) . . . . . 3
Figure 17. Antennae with second and third funicular segment globular, as long as wide C. hazolava
Figure 18. Scutellum in dorsal view moderately tapering, dorsoposteriorly pointed C. hazolava

2

return to couplet #1

3

return to couplet #1

Figure 18. Scutellum in dorsal view moderately tapering, dorsoposteriorly pointed C. hazolava