Key to Mediterranean Aphaenogaster cecconii group species

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This worker key is based on: Borowiec, L., Salata, S. 2014. Review of Mediterranean members of the Aphaenogaster cecconii group (Hymenoptera: Formicidae), with description of four new species. Zootaxa 3861, 40-60. and Salata, S. and L. Borowiec. 2016. A new species of the Aphaenogaster cecconii group (Hymenoptera: Formicidae) from Rhodes. Zootaxa. 4170:194-200.

and

Salata, S. and L. Borowiec. 2016. A new species of the Aphaenogaster cecconii group (Hymenoptera: Formicidae) from Rhodes. Zootaxa. 4170:194-200.

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Aphaenogaster

1

  • Head strongly narrowed posteriad, with a narrow neck margined by a high and sharp collar . . . . . 2
  • Head elongately oval, gradually narrowed posteriad, without narrow neck, with occiput margined by a low, sharp carina . . . . . 4

2

return to couplet #1

  • Head and thorax black, brown or partly reddish brown . . . . . 2
Aphaenogaster phillipsi casent0280962 p 1 high.jpg

3

return to couplet #2

  • Sides of frons with distinct microreticulation and longitudinal rugae. Head and thorax black or dark brown, first abdominal tergite dark brown to black, at base with large whitish or grey patch. Crete . . . . . Aphaenogaster cecconii
Aphaenogaster cecconii casent0179868 p 1 high.jpg
  • Sides of frons with diffused microreticulation and at most with rudiments of rugae. Head and thorax brown or yellowish brown, first abdominal tergite uniformly brown. SW Turkey . . . . . Aphaenogaster lykiaensis
Borowiec-&-Salata-2014-12Aphaenogaster lykiaensis hal.jpg

4

return to couplet #1

  • Head rusty-yellow, frons with brownish triangular patch of diffused borders, thorax, antennae and legs rusty-yellow. SW Turkey . . . . . Aphaenogaster equestris
Borowiec-&-Salata-2014-8Aphaenogaster equestris hal.jpg
  • Head, thorax, antennae and legs brown to almost black or head, thorax and abdomen pale brown and legs uniformly yellowish to yellowish-brown. Dodecanese . . . . . 5

5

return to couplet #4

  • Body pale brown, legs uniformly yellowish to yellowish-brown, paler than thorax. Top of pronotum distinctly microreticulate. PI1>200 and SL>1.8 . . . . . Aphaenogaster charesi
Aphaenogaster charesi lbc-gr01682-hol h 1 high.jpg
Aphaenogaster charesi lbc-gr01682-hol p 1 high.jpg
  • Body darker, from brown to dark brown, legs and thorax unicoloured. Top of pro-notum with diffused microreticulation. PI1<200 (if bigger then SL<1.8), SL<1.8 (if bigger then PI1<200) . . . . . 6

6

return to couplet #5

  • Scape shorter (SL: 1.457–1.763, mean 1.686 ± 0.085), head less narrowed posteriorly (HW/NW 1.869–2.119 mean 1.977 ± 0.074). Surface of head with less distinct microsculpture, especially anterior to eyes and around antennal scrobes; occipital part of head with micoreticulation absent or rudimentary. Base of first abdominal tergite with-out longitudinal grooves or they are very short, without distinct microreticulation between grooves. Body color pale brown. Rhodes . . . . . Aphaenogaster jolantae
Borowiec-&-Salata-2014-10Fig5.jpg
  • Scape longer (SL: 1.672–1.880, mean 1.752 ± 0.049), head more distinctly narrowed posteriorly (HW/NW 2.132–2.436, mean 2.289 ± 0.082). Surface of head with more distinct microsculpture, especially micoreticulation is well developed anterior to eyes, around antennal scrobes and on occipital part of head. Base of first abdominal tergite with long longitudinal grooves and distinct microreticulation between grooves. Body color dark brown. Karpathos . . . . . Aphaenogaster olympica
Borowiec-&-Salata-2014-19Aphaenogaster olympica hal.jpg