DOBYLUS. 3 



hair, the rest of the body with a very short, thin, fiue, recumbent, 

 pale pubescence ; wings hyaline with a brownish tint. Head 

 much broader than long, the vertex raised, the ocelli prominent ; 

 the mandibles long, sickle-shaped, bearing at base on the inside a 

 rounded tubercle. Thorax massive, very gibbous iu front, the 

 mesonotum with a short longitudinal carina above the base of the 

 wings on each side ; scutellum large, prominent ; postscutellum 

 narrow, sunk between the scutellum and metanotum, the latter 

 truncate posterioi'ly. Xode of the pedicel longer than broad, with 

 a strong gnomon-shaped keel beneath, convex above ; legs mode- 

 rately long, very smooth, polished and shining; abdomen cylindical, 

 long, twice the length of the head and thorax united, clavate towards 

 the apex and slightly curved downwards. 



5 maj. Castaneous yellow, highly polished, smooth and shining, 

 the head, thorax and abdomen with minute scattered punctures, 

 the head beneath near the mandibles and the apex of the abdomen 

 with a few erect yellow hairs. Head rectangular, much longer 

 than broad, and broader in front than posteriorly, the occiput 

 widely emargiuate ; clvpeus narrow, transverse ; antennal carinse 



Fig. -■ — Dorylus lahiatus, 



b inai., head. ^ , , , . ^ w 



Fio-. 3. — Dorylus lahiatus, Q mm. 



short, very close together and prominent, no longitudinally 

 impressed line on the head. Thorax rectangular, depressed, slightly 

 constricted at the pro-mesonotal suture : legs robust, short. 

 Node of pedicel longer than broad ; abdomen elongate, massive. 



^ min. Similar, smaller, lighter in colour. 



Length, S 30-83 ; ^ maj. 6-8 ; $ min. 2-5-4 mm. 



5 unknown. 



Hah. The whole continent of India, not recorded from Ceylon 

 or from countries east of the Bay of Bengal. 



2 Dorylus laevigatus, Smith (Tvphlopone), Jour. Linn. Sue. ii (18o7), 

 p. 70, 5 ; Forel, Jour. Bomb. N. H. Sac. xiii (1901), p. 464, ^ ^ ? 

 ? Dicbthadia olaberrima, Gersf. Stett. ent. Zeit. xxiv (18G;3), p. 9^, $ . 

 P Dorylus klu<ji, Emery, A7i7i. Mus. Civ. Gen. xxv (1887), p. 448, S- 

 Dorylus (Typhlopone) "breviceps, Emery, op. cit. xxvii (1889), p. 488, ^ . 



J . Dusky brownish yellow, with a long, fairly abundant, semi- 

 erect covering: of yellow hairs, and beneath it, especially on the 



b2 



