Aculeate Hynienoptera. 253 



Fam. ANDRENID^. 



Gen. Lampeocolletes. 



Lamprocolletes ruheUus. 



Male. Length 5j lines. Head and thorax black, the 

 abdomen ferruginous. The face densely covered with 

 golden 3^ellow pubescence, that on the cheeks paler; the 

 mandibles and antenna? ferruginous, the latter dusky 

 above. Thorax densely pubescent, ochraceous above, 

 much paler beneath ; wings fulvo-hyaline, the nervures 

 ferruginous; legs pale ferruginous. Abdomen ferrugi- 

 nous, the basal segment thinly covered with pale pubes- 

 cence, margins of the segments testaceous, and fringed 

 with whitish pubescence. 



Hab. West Australia. 



Gen. CEsTROPSis, n. g. 



Head transverse, narrower than the thorax ; ocelli in 

 a curve on the vertex; the antennse clavate, with the 

 scape short and stout, one-third shorter than the third 

 joint, which is much attenuated, the following joints fili- 

 form. Mentum elongate, labium short and lanceolate, 

 about the same length as the paraglossas, which are 

 somewhat pear-shaped, and pubescent as well as the 

 labium. Maxillary palpi six -jointed, the basal joint 

 being longer and stouter than the others, each in 

 succession being shorter and more slender. Thorax ovate, 

 the wings with one elongate narrow marginal cell, round- 

 ed at its apex ; three submarginal cells, the first one- 

 third longer than the second, the second narrowed 

 towards the marginal, the third rather shorter than the 

 second, and narrowed towards the marginal; the recur- 

 rent nervures received in the middle of the second and 

 third submarginal cells. Abdomen sub-conical. (Male.) 



1. QSstropsis puhescens. 



Male. Length 6-7 lines. Black : densely clothed with 

 ochraceous pubescence ; in some examples the pubes- 

 cence is darker, being a dirty yellow. Antennse pale fer- 

 ruginous, fuscous, or black above, except the two or three 

 apical segments; tips of the mandibles rufo-piceous. 



