AUSTRALIAN BEES.—COCKEEELL. 95 



slightly developed ; tegulae black, with a brown spot ; wings greyish, nervures and 

 stigma piceous ; first abdominal segment shining black, without evident punctures, 

 the depressed apical margin chestnut-red ; second to fourth segments chestnut- 

 red, black at extreme sides (more widely on second), and the hind margins blackish 

 (broadly black on fourth) ; fifth segment black, distinctly punctured, the depressed 

 hind margin red, but covered with black hair ; apical plate very broad, red in middle. 

 Clypeus shining, strongly but not densely punctured ; hair of head and thorax thin, 

 dull white, but dark fuscous on scutellum, vertex, and more or less on mesothorax ; 

 front dull except along orbital margins, but laterad of the ocelli the surface is polished 

 and impvmctate ; mesothorax and scutellum finely and closely punctured, the 

 scutellum without any smooth spaces ; area of meta thorax mth a subsericeoui 

 surface, with a delicate median keel, but no distinct transverse ridge or sulci, the 

 surface under the microscope being minutely tessellated ; b.n. falling a short distance 

 short of t.m. ; second s.m. receiving first r.n. beyond middle ; third s.m. long ; 

 anterior tibiae and tarsi mth red hair on inner side ; tibial scopa thin, blackish above, 

 white below ; abdomen dullish, with white hair at sides, and a very imperfectly 

 developed white hair-band on fourth segment, but fifth ^\ith black hair. 



Swan River, W. Austraha, Oct., 1919 {J. S. Clarlc). Not closely related to any 

 kno\^'n species. 



Paracolletes speculiferus n. sp. 



Male. Length about 9 mm. ; black, including legs, mandibles, and the thick 

 moniliform antennae ; hair of head and thorax dull white, dorsally grey or blackish ; 

 middle of front supraclypeal area and clypeus polished and shining, the front with 

 a strong median keel, the supraclypeal area with a faint one, but the middle of clypeus 

 broadly depressed, impunctate and without a keel. Resembles P. incanescens Ckll:, 

 from Brisbane, but cli fibers thus : — Clypeus and front as just described ; area of 

 metathorax very distinctly transversely striate (as in P. perpoUtus Ckll.) ; hind 

 tarsi black ; abdomen dull, especially basally, the surface microscopically tessellate, 

 w'lih scattered very fine punctures. The venation is nearly as in P. incanescens. 

 The wings are greyish. 



National Park, Queensland, Dec, 1919 {Hacker). One male. Known from 

 P. perpolitus Ckll., by the entirely dark antennae, entirely black anterior tibiae, &c. 



Paracolletes nomadiformis n. sp. 

 Male. Length about 6.5 mm., abdomen clavate, with narrowed base. Head 

 and thorax black, but lower edge of supraclypeal area, broad clypeal band, and 

 lower part of clypeus broadly ferruginous ; clypeus shining, with weak punctures ; 

 mandibles dark reddish ; antennae long, entirely ferruginous, the flagellum not 

 moniliform ; front and vertex dull ; sides of face and front with long pale fulvous 

 hair ; mesothorax entirely dull, with very little hair, except a dense fulvous patch 

 at each anterior corner ; tubercles covered with fulvous hair, and also scutellum 

 and postscutellum, forming a large dorsal orange-fulvous patch, as in P . flavomaculatus 

 Ckll. ; area of metathorax dull, without evident sculpture ; tegulae ferruginous ; 

 wings reddish, mth a darker cloud in marginal cell and beyond ; b.n. meeting t.m., 



