Key to Camponotus of Cyprus

Key to workers (minor and major) of Cypriot species of the genus Camponotus based on Salata et al. (2023).

1

Anterior margin of clypeus rounded, not extending beyond anterior margin of gena (Figs 3, 4, 21, 23, 25, 27) => 2
Anterior margin of clypeus projected beyond anterior margin of gena, forms a plate with right-angled anterolateral corners (Figs 10, 11, 18, 19, 29, 31, 33, 35) => 6

Salata et al. (2023), Figs 3, 4. Worker of Camponotus cf. vitiosus (DBETCV001). 3, worker head and antennae (scale bar = 0.5 mm). 4, worker head sculpture.
Salata et al. (2023), Figs 10, 11. Major worker of Camponotus troodosensis (DBETCT001). 10, head and antennae. 11, head sculpture (scale bar = 1 mm).
Salata et al. (2023), Figs 18, 19. Minor worker of Camponotus troodosensis (DBETCT003). 18, head and antennae. 19, head sculpture (scale bar = 1 mm).
Salata et al. (2023), Figs 21-28. Major workers. Camponotus libanicus: 21 – head, 22 – lateral. Camponotus gestroi: 23 – head, 24 – lateral. Camponotus rebbecae: 25 – head, 26 – lateral. Camponotus lateralis: 27 – head, 28 – lateral.
Salata et al. (2023), Figs 29-36. Major workers. Camponotus jaliensis: 29 – head, 30 – lateral. Camponotus samius: 31 – head, 32 – lateral. Camponotus sanctus: 33 – head, 34 – lateral. Camponotus cecconii: 35 – head, 36 – lateral.

At least gaster and mesosoma mostly or completely shiny, with fine microcostulae, microreticulate or sparsely alveolate => 3
Entire body matte, head and mesosoma coarsely sculptured, densely alveolate (Figs 21, 22) => Camponotus libanicus

Salata et al. (2023), Figs 21-28. Major workers. Camponotus libanicus: 21 – head, 22 – lateral. Camponotus gestroi: 23 – head, 24 – lateral. Camponotus rebbecae: 25 – head, 26 – lateral. Camponotus lateralis: 27 – head, 28 – lateral.

Dorsum of mesosoma in lateral view forms regular arch, metanotal groove absent (Figs 1, 2, 24) => 4
Dorsum of mesosoma in lateral view with deep metanotal groove, propodeum saddle shaped (Figs 26, 28) => 5

Salata et al. (2023), Figs 1, 2. Worker of Camponotus cf. vitiosus (DBETCV001). 1, dorsal. 2, lateral (scale bar = 1 mm).
Salata et al. (2023), Figs 21-28. Major workers. Camponotus libanicus: 21 – head, 22 – lateral. Camponotus gestroi: 23 – head, 24 – lateral. Camponotus rebbecae: 25 – head, 26 – lateral. Camponotus lateralis: 27 – head, 28 – lateral.

Head, mesosoma and femora partly reddish, reddish-brown to brown. Propodeal dorsum concave (Figs 1, 2) => Camponotus cf. vitiosus (alien species)
Head, mesosoma, and femora deep black. Propodeal dorsum never concave (Figs 23, 24) => Camponotus gestroi

Salata et al. (2023), Figs 1, 2. Worker of Camponotus cf. vitiosus (DBETCV001). 1, dorsal. 2, lateral (scale bar = 1 mm).
Salata et al. (2023), Figs 21-28. Major workers. Camponotus libanicus: 21 – head, 22 – lateral. Camponotus gestroi: 23 – head, 24 – lateral. Camponotus rebbecae: 25 – head, 26 – lateral. Camponotus lateralis: 27 – head, 28 – lateral.

Propodeal saddle low and long; mesonotal groove shallow. Transverse ripples on first gastral tergite deeper and denser, mean distance between ripples 7.1–9.5 μm (Fig. 26) => Camponotus rebeccae
Propodeal saddle high and short; mesonotal groove deep. Transverse ripples on first gastral tergite shallower and sparser, mean distance between ripples 9.1–13.7 μm (Fig. 28) => Camponotus lateralis

Salata et al. (2023), Figs 21-28. Major workers. Camponotus libanicus: 21 – head, 22 – lateral. Camponotus gestroi: 23 – head, 24 – lateral. Camponotus rebbecae: 25 – head, 26 – lateral. Camponotus lateralis: 27 – head, 28 – lateral.

Ventral margin of hind tibiae with a row of chaetae. At least minor workers partly yellow to rusty yellow (Figs 31-36) => 7
Ventral margin of hind tibiae without a row of chaetae except for apical thorn. Both minor and major workers in Cypriot populations predominantly brown to partly black (Figs 29, 30) => Camponotus jaliensis

Salata et al. (2023), Figs 29-36. Major workers. Camponotus jaliensis: 29 – head, 30 – lateral. Camponotus samius: 31 – head, 32 – lateral. Camponotus sanctus: 33 – head, 34 – lateral. Camponotus cecconii: 35 – head, 36 – lateral.

Dorsal surface of antennal scape and hind tibia with completely appressed pubescence. Lateral face of head posterior to the eye without erect setae (Figs 11, 15, 33, 35) => 8
Dorsal surface of antennal scape and hind tibia with subdecumbent to suberect pubescence. Area posterolateral from eyes with erect setae (Fig. 31) => Camponotus samius

Salata et al. (2023), Figs 10, 11. Major worker of Camponotus troodosensis (DBETCT001). 10, head and antennae. 11, head sculpture (scale bar = 1 mm).
Salata et al. (2023), Figs 14, 15. Medium worker of Camponotus troodosensis (DBETCT002). 14, head and antennae. 15, head sculpture (scale bar = 1 mm).
Salata et al. (2023), Figs 29-36. Major workers. Camponotus jaliensis: 29 – head, 30 – lateral. Camponotus samius: 31 – head, 32 – lateral. Camponotus sanctus: 33 – head, 34 – lateral. Camponotus cecconii: 35 – head, 36 – lateral.

Ventral surface of head with several erect setae (Figs 9, 13, 36). Smaller species, HL in major workers up to 3.18 mm (HL 3.01 (2.67-3.18) for C. cecconii and 2.854 (2.60-3.20) for C. troodosensis) => 9
Ventral surface of head without or at most with 1-3 very short, erect setae (Fig. 34). Large species, HL in major workers up to 4.18 mm (HL 4.05 (3.7-4.18) => Camponotus sanctus

Salata et al. (2023), Figs 8, 9. Major worker of Camponotus troodosensis (DBETCT001). 8, dorsal. 9, lateral (scale bar = 2 mm).
Salata et al. (2023), Figs 12, 13. Medium worker of Camponotus troodosensis (DBETCT002). 12, dorsal. 13, lateral (scale bar = 2 mm).
Salata et al. (2023), Figs 29-36. Major workers. Camponotus jaliensis: 29 – head, 30 – lateral. Camponotus samius: 31 – head, 32 – lateral. Camponotus sanctus: 33 – head, 34 – lateral. Camponotus cecconii: 35 – head, 36 – lateral.

First gastral tergite in minor, medium, and major workers uniformly dark brown to black, sometimes anterior slope slightly paler brown than posterior dorsum but never yellow (Fig. 36) => Camponotus cecconii
First gastral tergite in minor, medium, and major workers with yellow anterior slope, occasionally anterior slope reddish brown but distinctly paler than posterior dorsum (Figs 8, 9, 12-15) => Camponotus troodosensis

Salata et al. (2023), Figs 8, 9. Major worker of Camponotus troodosensis (DBETCT001). 8, dorsal. 9, lateral (scale bar = 2 mm).
Salata et al. (2023), Figs 12, 13. Medium worker of Camponotus troodosensis (DBETCT002). 12, dorsal. 13, lateral (scale bar = 2 mm).
Salata et al. (2023), Figs 14, 15. Medium worker of Camponotus troodosensis (DBETCT002). 14, head and antennae. 15, head sculpture (scale bar = 1 mm).
Salata et al. (2023), Figs 29-36. Major workers. Camponotus jaliensis: 29 – head, 30 – lateral. Camponotus samius: 31 – head, 32 – lateral. Camponotus sanctus: 33 – head, 34 – lateral. Camponotus cecconii: 35 – head, 36 – lateral.