Key to Camponotus samius species complex

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This worker key is based on: Salata, S., Khalili-Moghadam, A., Borowiec, L. 2020. Review of the Camponotus samius complex (Hymenoptera: Formicidae) in the Turano-Balkan region, with the description of a new species from Iran. Zootaxa 4763(4): 545–562 (doi:10.11646/zootaxa.4763.4.5).

This is a regional treatment of a part of Emery (1925) compressus-sylvaticus species group. See the samius complex page for more information.

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1

  • Scape and hind tibia with suberect, short setae and additional long, erect setae . . . . . 2
  • Scape and hind tibia with only suberect, short setae; long, erect setae absent . . . . . 3

2

return to couplet #1

  • Mesosoma reddish to reddish brown, head and gaster always darker coloured than mesosoma, partly to completely brown to almost black, legs reddish brown to pale brown. Turkey, Lebanon, Israel and Syria . . . . . Camponotus festai
Camponotus festai casent0905286 h 1 high.jpg
Camponotus festai casent0905286 p 1 high.jpg
  • Head, mesosoma and gaster uniformly coloured, brown to almost black, legs dark brown . . . . . Camponotus riedeli
Camponotus riedeli casent0917222 h 2 high.jpg
Camponotus riedeli F19.jpg

3

return to couplet #1

  • Gena without erect setae. Greece, Bulgaria, North Macedonia, Serbia and western Turkey . . . . . Camponotus ionius
Camponotus ionius casent0906054 h 1 high.jpg
Camponotus ionius casent0906054 p 1 high.jpg

4

return to couplet #3

  • Base of gaster distinctly paler coloured than the rest of gastral tergites, mesosoma partly yellowish-red to red, occasionally uniformly brown. Greece, Turkey, Romania, Bulgaria . . . . . Camponotus samius
Camponotus samius casent0905290 h 1 high.jpg
Camponotus samius casent0905290 p 1 high.jpg
  • Gaster uniformly black, sometimes minor workers with the base of gaster indistinctly brighter, mesosoma in both minor and major workers uniformly brown to black . . . . . 5

5

return to couplet #5

  • Mesosoma in both major and minor workers slimmer, with rounded propodeal angle. Petiolar node in major worker stout with distinctly convex anterior surface, in minor worker triangular in profile. Legs in minor workers usually partly reddish-brown. Central and southern Greece . . . . . Camponotus laconicus
Camponotus laconicus casent0249987 h 1 high.jpg
Camponotus laconicus casent0249987 p 1 high.jpg
  • Mesosoma in both major and minor workers stouter, in major worker with angulate propodeal angle. Petiolar node in both major and minor workers slim with only slightly convex anterior surface. Legs in minor workers mostly dark brown. Chaharmahal va Bakhtiari Province of Iran . . . . . Camponotus bakhtiariensis
Camponotus bakhtiariensis casent0872760 h 1 high.jpg
Camponotus bakhtiariensis casent0872760 p 1 high.jpg