NEW AUSTRALIAN BEES. 59 



Halictus luillsi, n. sp. 



? . Leugtb almost 6 mm. ; black, with dull white pubescence ; 

 bead broad ; front and mesotborax appearing granular, bardly sbining ; 

 flagellum dull brownish beneath ; legs black, hairy ; liiud spur having 

 a broad, strongly divergent, blunt tooth about the end of its first third, 

 and beyond that only a single broad low rounded lamella ; tegula) 

 shiniug dark rufous, not punctate; b. n. very strongly bent, and falling 

 just short of t. m. ; second s. m. higher than broad ; first r. n. meeting 

 second t. c. ; second r. n. and third t. c. barely visible ; stigma and 

 nervures rufous ; area of metathorax very finely striate ; abdomen 

 broad, duUish ; venter with long erect white hair. 



Hah. " New Holland," U . 4. 



Halictus sturti, ii. sp. 



? . Length a little over 6 mm. ; black, broad, and robust, with 

 scanty white pubescence ; clypeus very shiny, with a few large punc- 

 tures ; front dullish ; flagellum only very faintly brownish beneath ; 

 mesotborax shining, overlapping prothorax in front ; post-scutellum 

 with white tomentum ; area of metathorax shining and irregularly 

 wrinkled ; legs dark rufo-piceous, hairy ; hind spur with three little 

 sharp teeth close together about the middle, but otherwise simple ; the 

 first of these teeth is shorter and more divergent than the other two ; 

 tegulro large, piceous ; wings iridescent, stigma and nervures dark 

 rufo-piceous ; b. n. falling a short distance short oft. m. ; second s. m. 

 narrowing above ; first r. n. meeting second t. c. ; second r. n. and 

 third t. c. a little weakened, but very distinct ; abdomen broad, 

 shining, pitch-black, the hind margins of the segments as black as 

 the rest. 



Hab. Queensland (Gilbert Turner, 631). 



Halictus leicliardti, n. sp. 

 2 . About the same size and general appearance of H. sturti, but 

 distinguished at once by the strongly fuscous tint of the wings, the 

 broader face, the strongly and densely punctured mesotborax, and the 

 equally densely though more finely punctured abdomen. Scape long, 

 flagellum ferruginous beneath ; front, vertex, and mesotborax with 

 some short dark hair ; tubercles covered with dull white tomentum ; 

 area of metathorax finely but rather irregularly striate, the stris not 

 reaching its posterior edge ; tegulre rather large, piceous, punctitred, 

 though not all over ; stigma and nervures dark reddish ; b. n. falling 

 some distance short of t. m. ; second s. m. large, receiving the first 

 r. n. at its apex; outer nervures as in H. sturti ; legs dark, hairy, 

 much of the hair dark ; hind spur with two rows of very fine teeth, the 

 inner edge bearing closely appressed, pale, sharp teeth, about eighteen 

 in number, the hind edge with less numerous, rather larger, blunter, 

 and darker teeth ; the anterior spur has also the row of fine pale teeth, 

 quite the same as on the other ; abdomen broad. 



Hab. Queensland (Gilbert Turner, 885, Hy.). 



