AUSTRALIAN CERAPACHYINI. 



227 



very protuberant and rounded. First gastric segment 1^, second and 

 third segments twice as broad as long. Pygidium subtruncate behind, 

 on each side and at the bhmt tip minutely spinulate. Legs moderately 

 long. 



Shining; mandibles coarsely punctate; head, thorax and petiole 

 covered with rather shallow, umbilicate, piligerous foveolse, which 

 are dense on the head and distinctly sparser on the thorax and petiole. 

 Postpetiole and gaster evenly punctate. 



Hairs pale yellow, slender, pointed, moderately long, suberect on 

 the body, partly appressed and like long pubescence on the gaster. 



Figure 2. a, Larva of Eusphindiis steinheili Forel, lateral view, h, head 

 of same, dorsal view; c, mandible; d, forked hair from body enlarged. 



Antennae and legs with very few erect hairs, but covered with rather 

 abundant, appressed pubescence. 



Ferruginous brown; mandibles, cheeks, antennse, legs, postpetiole 

 and gaster paler and more reddish. 



Female. Length 3.5^ mm. 



Differing from the worker in its large side, in the proportionally 

 broader head, which is scarcely \\ times as long as broad, the less 

 distinct carinse on the cheeks and the presence of eyes and ocelli, the 

 eyes being moderately large, rather flat and placed a little in front of 

 the middle of the sides of the head. The petiole is not longer than 

 broad, the gaster more voluminous, with the constrictions between 

 the segments less pronounced than in the worker. The erect hairs 



