HYMENOPTERA. 57 



of the wings rufo- testaceous ; a small patch of fulvous pubes- 

 cence on the collar laterally, as well as a fringe behind the tuber- 

 cles ; the wings subhyaline, their anterior margins fuscous ; all 

 the femora, tibiae and tarsi rufous, the latter having a thick 

 fulvous pubescence ; the floccus on the posterior femora beneath 

 white ; a fascia of fulvous pubescence at the base of the second 

 and third abdominal segments, the apical margins of the follow- 

 ing narrowly piceous. 

 Hab. Melbourne, Australia. (Coll. W. H. L. Walcott, Esq.) 



68. HALICTUS FLORALIS, n. s. B.M. 

 Female. Length 2 lines. Brassy green, the flagellum ful- 

 vous, slightly fuscous above, mandibles ferruginous. Thorax 

 very closely and finely punctured, base of the metathorax finely 

 reticulate, margin of the truncation smooth and shining ; wings 

 hyaline, splendidly iridescent, the nervures and tegulae pale tes- 

 taceous : the tibiae, tarsi and knees fulvous. Abdomen shining, 

 very delicately punctured, the anal rima fulvous. 



Hab. New Holland. 



69. HALICTUS BICINGULATUS, n. s. 



Female. Length 4 lines. Black, the head and thorax veiy 

 closely punctured, a patch of pale fulvous pubescence on each 

 side of the collar, and the post-scutellum clothed with the same ; 

 the tegulae rufo- testaceous, the wings rufo-hy aline, their ner- 

 vures ferruginous \ the apex of the anterior and intermediate 

 femora, the whole of the posterior pair, and all the tibiae and 

 tarsi rufo-fulvous. Abdomen elongate-ovate, the apical margins 

 of all the segments rufo- piceous ; a band of yellowish white 

 pubescence at the base of the second and third segments ; mar- 

 gins of the anal rima ferruginous ; beneath, all the margins rufo- 

 testaceous. 

 Hab. Melbourne, Australia. (Coll. W. H. L. Walcott, Esq.) 



70. HALICTUS LANARIUS, n. s. B.M. 



Female. Length 4i lines. Black, head very closely and 

 finely punctured, the clypeus coarsely punctured. Thorax 

 strongly and closely punctured on the disk ; the base of the 

 metathorax finely reticulate and enclosed by a smooth elevation ; 

 the sides have a thin griseous pubescence ; wings subhyaline, 

 their nervures ferruginous; the tibiae and tarsi above clothed 

 with fulvous pubescence, the tarsi ferruginous. Abdomen very 

 closely and finely punctured ; at the basal margin of the second, 



D 5 



