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



Halictus blighi, sp. n. 



g . — Length about 6 mm. 



Slender, black, with thin but rather long white hair ; 

 head very broad, eyes strongly converging below ; clypeus 

 shining, wholly black ; antennae extremely long (reaching 

 metathorax), black, flagellar joints moniliform ; mesothorax 

 dull, finely punctured ; area of metathorax large, well 

 denned, appearing under a lens finely irregularly cancellate ; 

 tegulre rufo-piceous. "Wings greyish hyaline, stigma and 

 nervures piceous ; first r. n. joining the rather narrow second 

 s.m. before end ; third s.m. very broad; outer r. n. and t.-c. 

 thin, but distinct. Legs black, with pale hair; anterior tibiae 

 partly dark reddish. Abdomen shining, with thin white hair 

 at sides and apex; apical plate broadly rounded. 



Hub. Mt. Wellington, Tasmania, Jan. 15-Feb. 6, 1913 

 {Turner). British Museum. 



Looks like H. plebeius, Ckll., but separated by the quite 

 different antennae, dark clypeus, dullish and sculptured 

 scutellum, &c. 



Halictus bassi, sp. n. 



J . — Length about 5*5 mm. 



Much like H. blighi, but with the following special cha- 

 racters : — Mandibles broadly red apically ; disc of mesothorax 

 shining between the punctures. 



Variety a. — Only two submargiual cells, the first t.-c. 

 absent. 



Hub. Mt. Wellington, Tasmania, Jan. 15-Feb. 6, 1913 

 [Turner'). British Museum. 



Possibly a variety of H. blighi, which it resembles in 

 everything of importance except the sculpture of the meso- 

 thorax, which is quite distinctive. 



Halictus baudini, sp. n. 



<-£ . — Length about 7 mm. 



Black, rather robust, with long thin white hair, that on 

 front of head and head and thorax above tinged with reddish 

 brown ; head very broad ; mandibles black or reddish 

 apically ; clypeus shining, sparsely punctured, with a broad 

 cream-coloured band ; supraclypeal area dull, abruptly 

 contrasting with clypeus ; antennae extremely long, flagellum 

 moniliform, faintly brownish beneath ; mesothorax mode- 

 rately shining in middle, otherwise quite dull; scutellum 

 shining; area of metathorax appearing coarsely granular 



