314 Mr. T. D. A. Cockerell — Descriptions and 



Cameron's types, as well as those of Smith, are iu the 

 British Museum. 



Paracolletes advena (Smith). 



Andrena advena^ Sm., is no doubt a Paracolletes, though 

 it looks like a rather large black Andrena. No facial fovese ; 

 tongue apparently Colletid, but not very clearly seen ; scu- 

 tellum with plumose black hair; abdominal segments 2 to 4 

 with narrow silvery marginal hair-bands ; face very broad ; 

 stigma subobsolete ; b. n. falling short of t.-m. ; second s.m. 

 broadened below, receiving the r. n. a little before middle ; 

 area of metathorax triangular, with a sort of sericeous surf ace, 

 not ridged. 



Australia. 



Augochlora Imvipyga (W. F. Kirby). 



Halictus Icevipyga, W. F. Kirby, in H. N. Ridlev, Journ. Liun. Soc, 



Zoology, XX. (1890) p. 542. $ . 

 Halictiis'aUernipes, W. F. Kirby, I. c. c?. ("d, $ •") 



The types of this Fernando Noronha species are in the 

 British Museum and are the sexes of an Augochlora, 



$ . — About 9 mm. long. 



Head and thorax very dark green ; abdomen black, with 

 dark green shades, not ciliate ; hind spur simple. Nervures 

 and stigma rather dark red-brown ; first r. n. meeting second 

 t.-c. ; second s.m. about square ; inner orbits strongly emar- 

 ginate. Flagellum ferruginous beneath ; tongue very slender, 

 only moderately long ; naesothorax dullish, densely punc- 

 tured ; area o£ metathorax short, finely but distinctly grooved. 



^ . — Clypeus produced, its lower margin testaceous ; 

 antennas only moderately long ; inner orbits very strongly 

 emarginate. 



The following table separates the females of some of the 

 dark forms of Augochlora : — 



First two abdominal segments orange- 



ciliate 1. 



Abdominal segments not ciliate 2. 



1. First abdominal segment brown-black, the 



others gresn ; hind spur very long, pec- 

 tinate atropos, Sm. 



Abdomen blue ; thorax green ; hiad spur 

 long, pectinate hebescens, Sm. 



2. Hind spur pectinate with two spines ; meso- 



thorax crimson, sparsely punctured .... briseis, Sm. 

 Hind spur simple Icevijriiga ( W. F. Kirby). 



