Key to Arabian Aphaenogaster

This worker key is based on: Sharaf, M.R., Fisher, B.L., Al Dhafer, H.M., Polaszek, A., Aldawood, A.S. 2018. Additions to the ant fauna (Hymenoptera: Formicidae) of Oman: an updated list, new records and a description of two new species. Asian Myrmecology. 10:e010004:p.1-38. (DOI 10.20362/am.010004).

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Aphaenogaster

1

• Propodeum dentate in profile; mesopleura, metapleura, and propodeum transversally rugulose (Oman, KSA) . . . . . Messor asmaae

• Propodeum armed with a pair of acute spines; mesopleura, metapleura, and propodeum finely and densely punctulate . . . . . 2

2

return to couplet #1

• Dark brown in color; body pilosity sparse, short and blunt; cephalic surface reticulate-rugulose; eyes small (EL 0.22 × HW), situated behind midlength of head; clypeus longitudinally rugulose with granulate ground sculpture; promesonotal suture indistinct; (Algeria, KSA, Andorra, Armenia, Bulgaria, France (type locality), Georgia, Gibraltar, Greece, Iberian Peninsula, Iran, Israel, Montenegro, Portugal, Republic of Macedonia, Spain, Switzerland, Turkey, Turkmenistan . . . . . Aphaenogaster gibbosa

• Yellow-brown species; body pilosity abundant, long, and fine; cephalic surface smooth and shining except for three pairs of curved rugae on genae; eyes large (EL 0.27–0.32 × HW), situated on midlength of head; clypeus entirely smooth and shining; promesonotal suture well-developed (Oman, KSA) . . . . . Pheidole sarae