64 HYMENOPTERA. 



finely and very closely punctured, giving it an opake appearance ; 

 the clypeus has some deep elongate punctures, and is ciliated 

 with ferruginous hairs ; the thorax clothed with fulvous pubes- 

 cence, thickly so on the sides ; disk naked in all the specimens, 

 probably rubbed; the metathorax truncate, the base coarsely 

 rugose ; wings subhyaline, nervures ferruginous, the legs clothed 

 with fulvous pubescence, the apical joints of the tarsi ferru- 

 ginous. Abdomen ovate, the base thickly covered with fulvous 

 pubescence, the apical margins of the segments depressed, a band 

 of fulvous pubescence at the base of the second and third seg- 

 ments, the anal rima fulvous. 

 Hob. Foo-cho-foo, North China. 



87. HALICTUS ORDINARIUS, n. s. 



Female. Length 4 lines. Black, head closely and finely 

 punctured, clypeus shining and deeply punctured, ciliated with 

 fulvous hairs ; antennae beneath rufo-piceous, the face clothed 

 with hoary pubescence. Thorax shining and strongly punctured, 

 the pubescence is pale fulvous, thinly scattered in front, on 

 the sides and beneath ; the post-scutellum fringed with the 

 same, beneath which the enclosed space is longitudinally rugose, 

 the metathorax rounded at its sides, smooth and regularly punc- 

 tured ; wings subhyaline, fulvous at their base, the tegulae rufo- 

 piceous ; the tibiae and tarsi above clothed with pale fulvous pu- 

 bescence, the claw-joints ferruginous. Abdomen ovate, closely 

 and finely punctured, the apical margins of the segments sub- 

 depressed and having fasciae of white pubescence, the anal rima 

 fulvous. 

 Hab. North China. (Coll. J. S. Baly, Esq.) 



88. HALICTUS AFFINIS, n. s. B.M. 



Male. Length 4 lines. Black, head and thorax finely and 

 closely punctured, the face covered with fulvous pubescence, the 

 clypeus produced, its apex white. The thorax clothed with 

 fulvous pubescence, sparingly so on the disk ; the enclosed space 

 at the base of the metathorax longitudinally rugose, beyond 

 which the sculpture is rugged ; the tarsi and extreme base and 

 apex of the tibiae yellow, apical joints of the tarsi ferruginous. 

 Abdomen elongate-ovate,, very finely and closely punctured ; the 

 base, the sides and margins of the segments have a thin fulvous 

 pubescence. 



Obs. This is probably the male of H. subopacus. 

 Hab. Foo-cho-foo, North China. 



