Key to Tetramorium semilaeve complex queens

This queen key is based on: Salata, S. and L. Borowiec. 2017. Species of Tetramorium semilaeve complex from Balkans and western Turkey, with description of two new species of (Hymenoptera: Formicidae: Myrmicinae). Annales Zoologici (Warsaw). 62:279–313. (DOI:10.3161/00034541ANZ2017.67.2.008).

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Tetramorium

1

• ML > 2; MW > 1.3 . . . . . 2

• ML <2, MW<1.3 . . . . . 3

2

return to couplet #1

• Scutum and scutellum without striation . . . . . Tetramorium bellerophoni

• Scutum and scutellum with striation . . . . . Tetramorium galaticum

3

return to couplet #1

• Scutum at base and laterally with striation extending from base to at least half length of scutum . . . . . 4

• Scutum completely smooth and shiny or with short striation at base, never extending to half length of scutum . . . . . 5

4

return to couplet #3

• Species occurring in Maghreb . . . . . Tetramorium atlante

• Anatolian species . . . . . Tetramorium hippocratis

5

return to couplet #3

• Body colouration dark brown, head rugosity thin and fine with sparse punctuation between rugae, Eastern Mediterranean species . . . . . Tetramorium kephalosi

• Body colouration light brown, head rugosity thick with coarse and dense punctation between rugae, Western Mediterranean species . . . . . Tetramorium semilaeve