1(34 



HYMENOPTERA. 



Head large, wider than the thorax or abdomen, finely longitudi- 

 nally strigose ; the mandibles striated, their teeth and margins 

 black ; the eyes and antennae black, the latter sometimes fusco- 

 ferrugiuous, the tip of the scape ferruginous. Thorax striated, 

 obliquely so at the sides, and transversely so above ; the raeta- 

 thorax with a broad deep longitudinal channel, which is trans- 

 versely striated, not spined. Abdomen ovate, the nodes of the 

 petiole rugose ; the entire insect thinly sjn-inkled with ])ale pu- 

 bescence. 



Male. Length 3^-4 lines. — Blr.ck and shining, pubescent : 

 the tips of the autennse and the apical joints of the tarsi pale rufo- 

 testaceous. Head small, much narrower than the thorax, eyes 

 prominent; the wings colourless and iridescent, with the nervures 

 nifo-testaceous, the stigma darkest. Abdomen very black and 

 shining. 



Hab. Northern India. 



11. AtTA BELLICOSA. B.M. 



Worker. Length 3 lines. — Ferruginous and shining : head 

 very large, deeply emargiuate behind, and with a central longi- 

 tudinal channel ; the clypeus smooth and shining ; the face lon- 

 gitudinally striated anteriorly, the head behind transversely so ; 

 the mandibles very stout, their inner margins smooth and black, 

 with a single notch at their apex, striated at their base and aj)ex, 

 and punctured in the midddle. Thorax, legs and base of the ab- 

 domen rather paler than the head ; the former rounded in front, 

 narrowed behind, and deeply strangulated between the meso- and 

 metathorax, the latter armed with two acute s])ines. 



Worker minor. — Only differs in being smaller, in having the 

 mandibles toothed on their inner edge, in the head being smooth 

 behind, and in being altogether of a paler colour. 



Hah. Birmah. 



12. Atta penetrans. B.M. 



Female. Length 4 lines. —Head and thorax black and shining, 

 abdomen dark rufo-piceous. Head longitudinally striated ; the 

 mouth, clvj)eus and antenna; ferruginous. Thorax elongate- 

 ovate ; the prothorax in front and the legs ferruguious, the stria; 

 on the disk intermixed with oblong ])unctures, a smooth im))unc- 

 tate line in t!;e middle of the thorax in front ; the metathorax 

 truncate, the truncation smooth and shining ; the uings subliya- 

 line, with a fuscous line along the costal nervure. the apical mar- 

 gins of the wings with a fringe of fine white hairs. Abdomen : 



