Formicinae

Cedric A. Collingwood, Donat Agosti, Mostafa R. Sharaf & Antonius van Harten, 2011, Order Hymenoptera, family Formicidae, Arthropod fauna of the UAE 4, pp. 1-70 : 39-43

Key to the genera of Formicinae occurring in the UAE (workers)

1 Antennae 12 segmented .................................................................................................... 2

– Antennae 11 segmented. .................................................................................................... 5

2 Antennal insertions clearly distant from posterior clypeal margin ( Figs 5 & 39 ) .............. 3

– Antennal insertions close to or contiguous with clypeal margin ( Figs 40 & 41 )................ 4

3 Petiole with spines or teeth ..................................................................... Polyrhachis Smith

– Petiole entire or emarginated, never dentate ......................................... Camponotus Mayr

4 Ocelli present and distinct ( Fig. 40 ). Head underneath with long curved hairs anteriorly. Body with normal hairs (fine, not stout) ............................................. Cataglyphis Foerster

– Ocelli vestigial or absent. Underside of head with short hairs only. Body with stout suberect pairs of hairs ................................................................ Paratrechina Motschulsky

5 Propodeum bidentate or bituberculate; petiole incised and usually bidentate ( Fig. 41 ) ....... ................................................................................................................. Lepisiota Santschi

– Propodeum unarmed, petiole simple ................................................................................. 6

6 Palp formula 5, 3 or less ............................................................................ Acropyga Roger

– Palp formula 6, 4 ............................................................................................................... 7

7 In dorsal view metanotum separated from mesonotum by a deeply impressed suture ( Fig. 42 ) ............................................................................................................ Plagiolepis Mayr

– Metanotum not distinguished by sutures; mesapropodeal furrow shallow ( Fig. 43 ) ............ ............................................................................................................. Anaplolepis Santschi

Figures

Figures 3–14.3: Leptanilla spec., head;4:Pachycondyla spec., peduncle; 5: Camponotus spec., head; 6: Tetramorium spec, peduncle; 7: Messor spec., head in dorsal view; 8: Tetraponera spec., head; 9: Ponerinae, peduncle and gaster; 10: Plagiolepis spec., peduncle and gaster; 11: Ponerinae, head in dorsal view; 12: Cerapachys spec., head; 13: Tapinoma spec., peduncle and gaster; 14: Technomyrmex spec., peduncleand gaster.

Figures 38–43. 38: Myrmoteras spec., head in dorsal view; 39: Camponotus spec., head; 40: Cataglyphis spec., head in dorsal view; 41: Lepisiota spec., mid-body and petiole; 42: Plagiolepis spec., mid-body; 43:Anaplolepis spec., mid-body.