46 me. smith's catalogue or HYMENOPTEROUS insects 



slightly griseous ; the clypeus shining and punctured, with a longitu- 

 dinal carina in the middle, thinly covered with pubescence ; the rla- 

 gellum fulvous beneath. Thorax : the tegulse and legs ferruginous ; 

 the wings fusco-hyaline, the nervures fusco-ferruginous, brightest 

 towards the base of the wings. Abdomen : the two basal segments 

 clothed with fulvous pubescence, the four apical segments with black ; 

 all the segments with a fascia of short fulvous pubescence on their 

 apical margins; beneath, the three basal segments thinly clothed 

 with pale fulvous pubescence, the three apical ones with black. 



Allied to, but very distinct from, the Anthophora rufipes of Fabricius. 



Hub. Borneo (Sarawak). 



5. Megachile tuberculata. M. nigra; capite thoraceque punctatis, 

 mandibulis fortibus et porrectis ; clypeo tuberculato ; alis fulvo- 

 hyalinis ; abdomine totius nigro. 



Female. Length 10 lines. Black : clothed with black pubescence on 

 the vertex and disk of the thorax, on the abdomen above it is sparing ; 

 the clypeus produced in the middle, forming a large prominent 

 tubercle ; the mandibles long, very stout and prominent, with a stout 

 bluntish tooth on their inner margin near their base, and having three 

 large teeth at their apex, the apical one acute. The outer margin of 

 the tegulse ferruginous ; the wings fulvo-hyaline, the nervures ferru- 

 ginous, their apical margins with a fuscous border. Abdomen : the 

 basal segment densely clothed with sooty-black pubescence ; beneath, 

 densely clothed with black pubescence. 



Hub. Borneo (Sarawak). 



6. Megachile architecta. M. nigi-a, nitida et punctata ; abdomine 

 pube lsete fulva subtus vestito ; alis subhyalinis apice nebulosis. 



Female. Length 6 lines. Black, shining and punctured : the face, 

 cheeks and thorax beneath, thinly clothed with griseous pubescence, 

 the sides of the metathorax densely so ; the wings subhyaline, with a 

 fuscous cloud at the apex of the superior pair ; the posterior femora 

 and tibia? with a short fine cinereous pubescence, that on all the tarsi 

 beneath, fulvous. Abdomen subovate and curving upwards, each seg- 

 ment with a deeply impressed transverse line ; beneath, densely clothed 

 with long bright fulvous pubescence. 



Hab. Borneo (Sarawak). 



7. Megachile luctuosa. M. nigra opaca ; alis hyalinis ; abdomine 

 subtus fulvo ; apice pube grisea vestito. 



Female. Length 6 lines. Opake-biack : very closely punctured; the 

 wings hyaline and iridescent, the nervures black ; the base of the 

 metathorax with fuscous pubescence, the sides as well as the thorax 

 beneath with griseous ; the apical margins of the second, third and 

 fourth segments with narrow fascia; of whitish pubescence, the two 

 former widely interrupted ; the fifth and sixth densely covered 



