Key to Camponotus samius species complex
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
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- 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
- Head, mesosoma and gaster uniformly coloured, brown to almost black, legs dark brown . . . . . Camponotus riedeli
3
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- Gena without erect setae. Greece, Bulgaria, North Macedonia, Serbia and western Turkey . . . . . Camponotus ionius
- Gena with numerous erect setae . . . . . 4
4
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- 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
- 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
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- 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
- 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