Key to the genera of Greek Formicinae

AntWiki: The Ants --- Online

This key to workers is from Borowiec and Salata 2022.

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1

2

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  • Propodeum unarmed, rounded in profile or squamiform, dorsal margin of petiole not emarginate . . . . . #3
  • Propodeum bispinose or bituberculate, dorsal margin of petiole emarginated . . . . . Lepisiota

3

return to couplet #2

  • Eyes almost completely reduced . . . . . Acropyga

4

return to couplet #3

  • In dorsal view the mesonotum separated from the metanotum by a conspicuous transverse groove or impression, so that the metanotum forms a distinctly isolated sclerite on the dorsum. Very small ants, legs and antennae short, hind femora not extending behind apex of gaster . . . . . Plagiolepis
  • In dorsal view the mesonotum fused with the metanotum, the metanotum does not form an isolated sclerite on the dorsum. Moderately large ants with very elongate legs and antennae, hind femora distinctly extending behind apex of gaster . . . . . Anoplolepis

5

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  • Antennal insertions placed distinctly behind clypeal margin . . . . . #6
  • Antennal insertions placed close to clypeal margin . . . . . #7

6

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  • Frontal carinae straight, slightly converging to the front. In major workers head truncate anteriorly, plug-like . . . . . Colobopsis
  • Frontal carinae arched, distinctly converging to the front. In major workers head not modified . . . . . Camponotus

7

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  • Mandibles not modified, masticatory margin with distinct denticles . . . . . #8
  • Mandibles modified, long and sickle-shaped, masticatory margin only minutely serrate . . . . . Polyergus

8

return to couplet #7

  • Propodeal spiracle round to oval. Legs short to moderately long, HTL/CW < 1.50 . . . . . #9
  • Propodeal spiracle elongate. Legs very long, HTL/CW > 1.50 . . . . . Cataglyphis

9

return to couplet #8

  • Mesosoma not or only slightly constricted between mesonotum and propodeum. Ocelli in workers usually present, occasionally absent or rudimental . . . . . #10
  • Mesosoma distinctly constricted between mesonotum and propodeum. Ocelli in workers absent . . . . . Prenolepis

10

return to couplet #9

  • Eyes situated at or in front of the midlength of the sides of head . . . . . #11
  • Eyes situated distinctly behind the midlength of the sides of head . . . . . #12

11

return to couplet #10

  • Mandible unsculptured, with 6-7 teeth. Scape short, less than 1.5 times length of head, body stout . . . . . Nylanderia
  • Mandible with longitudinal striation and 5 teeth. Scape long, more than 1.5 times length of head, body elongate . . . . . Paratrechina

12

return to couplet #10

  • Apical tooth of mandible subequal to preapical tooth. Workers without distinct castes or with workers of different sizes but with gradual variability . . . . . #13
  • Apical tooth of mandible distinctly longer than preapical tooth. Workers polymorphic with distinct major caste . . . . . Proformica

13

return to couplet #12

  • Hind coxa widely separated. Ortificie of propodeal spiracle circular or broadly oval. Mesosoma rather short and high, usually densely pubescent. Size usually smaller, total length 2.5-5.0 mm . . . . . Lasius and Metalasius
  • Hind coxa close together. Ortificie of propodeal spiracle elongate to sli-like. Mesosoma rather long and slender, usually sparsely pubescent. Size larger, total length 4.5-9.0 mm . . . . . Formica

References