Aenictus biroi

The type colony was "in a bare area, [from] a very populous nest excavated in hard clay soil."

Identification
A member of the wroughtonii group.

Key to Aenictus species groups

Distribution based on Regional Taxon Lists
Oriental Region: Sri Lanka.

Nomenclature

 *  biroi. Aenictus biroi Forel, 1907a: 10 (w.) SRI LANKA. See also: Wilson, 1964a: 451; Jaitrong, et al. 2010: 37.

Worker
Wilson (1964) - (Syntype: HW 0.59 mm, HL 0.70 mm, SL 0.67 mm. Antenna 10-segmented. Mandible typical. Clypeus convex, entire, unarmed. Parafrontal ridge indistinct, only 0.15 mm long. Basal face of propodeum seen from side strongly convex. Propodeal junction right-angular. Subpetiolar process a low lobe located beneath anterior 1/2 of node. Pilosity relatively sparse and short; length of longest pronotal hairs only 0.10 mm.

Head shining. Mesopleuron and propodeum microreticulate and opaque; remainder of mesosoma shining. Pedicel shining.

Type Material
Wilson (1964) - Type locality: Pattipola, 2000 m, Ceylon.