XIII, D, 4 Cockerell: Megachilid Bees 137 



mandibles, legs, and antennae, but abdomen above with strong 

 green and steel-blue tints; mandibles tridentate, the third tooth 

 very broad and low; eyes brown; cheeks covered with white 

 hair ; face and front with white hair ; long, slightly creamy hairs 

 converging from each side to middle of clypeus ; a polished shin- 

 ing space on upper part of clypeus and supraclypeal area ; thorax 

 with white hair, abundant at sides and behind, but very thin 

 above; a little, short fuscous hair on mesothorax; mesothorax 

 polished, sparsely punctured; scutellum impunctate anteriorly, 

 densely punctured posteriorly, tegulse black, wings hyaline, apical 

 margin broadly dusky ; nervures piceous ; legs with pale hair, 

 orange-fulvous on inner side of tarsi, hind basitarsi broad ; abdo- 

 men with a dense patch of white hair on each side of first segment* 

 and weak white hair bands on second and fifth; ventral scopa 

 bright ferruginous. 



Luzon, Laguna, Mount Maquiling {Baker 7U55, 7^56). Re- 

 lated to the Australian M. pictiventris Smith, but the latter has 

 a quantity of black hair on head and thorax. 



Megachile hera Bingham. 



Megachile hera Bingham, Faun. Brit. India, Hymenoptera (1897), 1, 

 489; Brown, Phil. Journ. Sci. (1906), 1, 686. 



Luzon, Laguna, Mount Maquiling (from Baker) . This 



species was described from Tenasserim; I have not seen types 



or topotypes, but the specimens before me agree with Bingham's 



description. The species is certainly very close to M. subrixator. 



Megachile philippinensis Friese. 



Megachile philippinensis Friese; Cockerell, Entomologist (1916), 159. 

 Luzon, Laguna, Los Baiios (type locality) and Mount Maqui- 

 ling: Nueva Vizcaya, Imugan : Benguet, Baguio. Mindanao, 

 Dapitan. Palawan, Puerto Princesa. All from Baker. Allied 

 to M. tranquilla Cockerell, from Formosa. 



Megachile philippinensis var. vizcayana var. nov. 



Male. — Length, about 8 millimeters; the three broad abdom- 

 inal bands, and hair on upper side of sixth segment, golden 

 fulvous ; mandibles with four teeth, the fourth largest, the second 

 very small. It is larger than typical males. 



Luzon, Nueva Vizcaya, Imugan (from Baker) . 



Megachile valdezi (Cockerell). 



Megachile ablnta valdezi Cockerell, Entomologist (1916), 159. 

 Luzon, Laguna, Mount Maquiling (type locality). Minda- 

 nao, Zamboanga and Davao (from Baker). In the original 



