Camponotus samius

Salata, Sebastian, Khalili-Moghadam, Arsalan & Borowiec, Lech, 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), pp. 545-562 : 547

Key to species of the Camponotus samius complex from Turano-Balkan region

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 absen.......................................3.

2. 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 ( Fig. 17, 18 ). Turkey, Lebanon, Israel and Syria............ C. festai Emery

-. Head, mesosoma and gaster uniformly coloured, brown to almost black, legs dark brown ( Fig. 19 ). Iraq.... C. riedeli Pisarski

3. Gena without erect setae ( Figs 20, 21 ). Greece, Bulgaria, North Macedonia, Serbia and western Turkey..... C. ionius Emery

-. Gena with numerous erect setae ( Figs 7, 8 , 22–25 )...........................................................4.

4. Base of gaster distinctly paler coloured than the rest of gastral tergites, mesosoma partly yellowish-red to red, occasionally uniformly brown ( Figs 15, 16 ). Greece, Turkey, Romania, Bulgaria.................................. C. samius Forel

-. Gaster uniformly black, sometimes minor workers with the base of gaster indistinctly brighter, mesosoma in both minor and major workers uniformly brown to black ( Figs 1, 2 , 5, 6 , 13, 14 )...............................................5.

5. Mesosoma in both major and minor workers slimmer, with rounded propodeal angle ( Figs 13, 14 ). Petiolar node in major worker stout with distinctly convex anterior surface ( Fig. 10 ), in minor worker triangular in profile ( Fig. 14 ). Legs in minor workers usually partly reddish-brown. Central and southern Greece.............................. C. laconicus Emery

-. Mesosoma in both major and minor workers stouter, in major worker with angulate propodeal angle ( Fig. 2 ). Petiolar node in both major and minor workers slim with only slightly convex anterior surface ( Figs 6 , 9 ). Legs in minor workers mostly dark brown. Chaharmahal va Bakhtiari Province of Iran........................................ C. bakhtiariensis sp. nov.

Figures

FIGURES 17–18. Camponotus festai Emery: 17—major worker lateral (AntWeb CASENT0905286, photographer Will Ericson), 18—minor worker lateral (scale bar for 17 = 2 mm, for 18 = 1 mm).

FIGURES 19–21. 19—Camponotus riedeli Pisarski, major worker lateral (AntWeb CASENT0917222 photographed by Kate Martynova, scale bar = 2 mm). Camponotus ionius Emery, head in full-face view: 20—major worker, 21—minor worker (not to scale).

FIGURES 7–8. Camponotus bakhtiariensis sp. nov., head sculpture: 7—major worker (CASENT0872760), 2—minor worker (CASENT0872761).

FIGURES 22–25. Head in full-face view: 22, 23 Camponotus laconicus Emery: 22—major worker, 23—minor worker; 24, 25 Camponotus samius Forel: 24—major worker, 25—minor worker (not to scale).

FIGURES 15–16. Camponotus samius Forel: 15—major worker lateral, 16—minor worker lateral (scale bar = 2mm).

FIGURES 1–2. Camponotus bakhtiariensis sp. nov., major worker, holotype (CASENT0872760): 1—dorsal, 2—lateral (scale bar = 2 mm).

FIGURES 5–6. Camponotus bakhtiariensis sp. nov., minor worker, paratype (CASENT0872761): 5—dorsal, 6—lateral (scale bar = 2 mm).

FIGURES 13–14. Camponotus laconicus Emery: 13—major worker lateral, 14—minor worker lateral (scale bar = 2mm).

FIGURES 9–10. Petiolar scale: 9—Camponotus bakhtiariensis sp. nov., 10—Camponotus laconicus Emery.