164 HYMENOPTERA. 



(12. Mkgachile dorsata, n. s. 



Female. Length 7 lines. — Blaek, the pubescence on each 

 side of the face is white, between and above the antenna; it is 

 ochraceons, and on the mar;z;in of the ely])cus ferruginous, the 

 mandibles and labrum are ciliated with hairs of the same coloiu'. 

 Tliorax clothed above with pale fulvous pubescence, beneath 

 it is nearly white ; on the tarsi and posterior tibi;c it is fulvous, 

 and much paler on the other parts of the legs, all the tarsi ferru- 

 ginous ; wings subhyaline, the tegula; testaceous, the nervures 

 ferruginous ; the apical margins have a slight cloud. Abdomen 

 covered with fulvous i)ubescence, which is bright towards the 

 base, becoming much paler towards the apex ; the apical seg- 

 ment has a scattered black pubescence ; the pollen-brush is 

 fulvous. 

 Hub. Cape of Good Hope. (Coll. F. Smith.) 



63. MeGACHILE PENNATA, n. s. 



Male. Length 5h lines. — Black, the face, the thora.x poste- 

 riorly and the basal segment of the abdomen covered with white 

 pubescence ; that on the thorax anteriorly is black ; the basal 

 half of the wings hyaline, the apical half dark fuscous ; the 

 apical margins of the segments depressed, the fifth and sixth 

 segments thinly covered with stiff black hairs, the margin of the 

 latter notched in the middle. 



Ohs. This insect exactly corresponds with the M. maxillosa, 

 Guer., in colouring, which is from Senegal ; the difference in size 

 and of locality appear to indicate a distinct species. 

 Hab. Cape of Good Hope. (Coll. F. Smith.) 



64. Megachile ianthoptera, n. s. 



Female. Length 7 lines. — Black, the face covered with sil- 

 very-white pubescence, leaving the elypeus which is coarsely 

 punctured, naked ; mandibles very stout, armed with four blunt 

 teeth, covered towards their base with white pubescence, the 

 cheeks covered with white pubescence. Thorax closely punc- 

 tured, at the sides of the metathorax and beneath the wings a 

 patch of long white pubescence, on the disk it is short and 

 sparing, and posteriorly and on the scutellum it is black ; ante- 

 rior wings deep violet, the posterior pair subhyaline ; legs clothed 

 with short black pubescence, the anterior femora covered with long 

 white pubescence, on the posterior tarsi vrithin it is fuscous. 

 Abdomen nigro-seneous, elongate and somewhat pointed at the 

 apex ; on each side are six patches of white pubescence, those 

 on the second, thu'd and fourth segments are pointed within ; 



I 



