Monomorium subopacum (Smith, 1858)

(Fig. 18 A–C)

Myrmica subopaca Smith, 1858: 127 (w.q.) Portugal (Madeira Is.). Afrotropic.

Diagnosis. Worker. Color brown, with gaster darker than head and mesosoma; eyes with 9–11 ommatidia in the longest row; mesonotum sloping evenly back to a shallow metanotal groove; cephalic surface in profile without standing hairs; mesosoma dorsum without standing hairs; petiole and postpetiole each with a single pair of hairs or rarely the postpetiole with two pairs.

Material examined. Qatar, Doha, 25°17.124’N, 51°31.86’E, 08.iii.2005, (M.S. Abdel-Dayem leg.), 15w, (KSMA) .

Geographic distribution. Monomorium subopacum is widely distributed in the Mediterranean Basin and has sporadic distribution in the Afrotropical and Oriental regions (Bolton 1987). It has been recorded from KSA, Oman, UAE, and Yemen (Collingwood 1985, Collingwood and Agosti 1996, Collingwood et al. 2011). Our material represents the first record from Qatar.