* HYMENOPTERA. 243 



red band in the middle ; the second segment has a broad yellow 

 band at the base, an angular fuscous spot in the middle, the 

 apical portion ferruginous, darkest towards the margin; the 

 three following segments yellow, and having a narrow ferruginous 

 margin ; the sixth segment covered with silvery pile. 



Hab. North China. 



67. NOMADA SOLITARIA. B.M. 



Male. Length 5 lines. — Black, the clypeus and cheeks covered 

 with silvery-white pubescence, the up])er portion of the face, the 

 vertex, and disk of the thorax clothed with yellow pubescence ; 

 the sides of the face, anterior margin of the clypeus, labrum, 

 mandibles and scape in fi-ont yellow; the flagellum fulvous 

 beneath. Thorax, the collar, teguLx, tubercles and scutellum 

 yellow ; the coxse and trochanters black ; the legs otherwise 

 yellow, excepting a black stain on the anterior and intermediate 

 femora towards their base above, the posterior pair being black 

 excepting at the knees ; the posterior tibiae have a dark stain 

 within ; the basal joint of the posterior tarsi black above ; the 

 wings subhyahne, their apical margins slightly clouded. Abdo- 

 men, the basal segment has a broad yellow fascia towards its apical 

 margin, the second segment has a similar fascia much attenuated 

 in the middle, and the three following have each a narrow fascia 

 of the same colour, all the apical margins being fusco-ferrugi- 

 nous ; beneath, the segments are obscurely banded in a similar 

 manner. 

 Hab. Northern Incha. From Captain Boys' Collection. 



58. NoMADA LUSCA. B.M. 

 Female. Length 3 lines.— Ferruginous, the antennae as long 



as the head and "thorax, the flagellum fuscous above. Thorax, 

 the wino;s fusco-hyaline, darkest at their apical margins; the 

 apical joints of the tarsi fuscous. Abdomen subpetiolate, the 

 basal segment having on each side a black spot. 



Hab. Philippine Islands. 



59. NoMADA DECORATA. 



Female. Length 4| lines. — Head and thorax black; the an- 

 terior margin of the clypeus, sides of the face, orbits of the eyes 

 shghtly interrupted at' their vertex, the labrum, mandibles and 

 scape in front of an orange-yellow ; the flagellum beneath and its 

 apical joint ferraginous; otherwise fuscous above. The collar, 

 tubercles, scutellum, post-scutellum, and an oblong m.acula on 

 each side of the raetathorax yellow, having more or less of a fer- 



