Key to Myrmica fossils

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This worker key is based on: Radchenko, A.G. & Elmes, G.W. 2010. Myrmica ants of the Old World. Fauna Mundi 3: 1-789.

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  • Propodeum with short, blunt teeth; head and alitrunk with fine reticulation; hind tibiae with distinct spur . . . . . Myrmica paradoxa
  • Propodeum with long spines; head and alitrunk with very coarse sinuous rugosity and reticulation; hind tibiae with or without spur . . . . . 2

2

return to couplet #1

  • Propodeal spines directed backward and upward, slightly curved down at the apex; hind tibia without spur . . . . . Myrmica rudis
  • Propodeal spines directed backward, straight or slightly curved inward (in dorsal view); hind tibiae with or without spurs . . . . . 3

3

return to couplet #2

  • Propodeal spines straight, strongly divergent (in dorsal view); hind tibiae with spur; larger species, body length ca. 6.5 mm . . . . . Myrmica eocenica
  • Propodeal spines subparallel, not divergent (in dorsal view); hind tibiae with or without spurs; smaller species, body length ca. 5 mm or less . . . . . 4

4

return to couplet #3

  • Hind tibiae with spurs. Propodeal lobes rounded, not sharply pointed apically . . . . . Myrmica longispinosa
  • Hind tibiae without spurs. Propodeal lobes sharply pointed apically . . . . . Myrmica intermedia