T. D. A. COCKERELL. 



227 



easily separated from that by the granular, minutely punc- 

 tured mesothorax, and the green metathorax and pleura. 



Hab. — Mackay, Queensland, at flowers of Eugenia, Nov., 

 1899 ( Turner 7a) . This and the following species are named 

 after men who are or were connected with Australian science. 



Halictus tatei sp. nov. 



9 . Length about 5 mm. ; head black ; thorax black, with the meso- 

 thorax green and the tubercles ferruginous ; femora and the very 

 robust hind tibia? black, ferruginous at apex ; the other tibiae and the 

 tarsi rather dark ferruginous, the middle tibiae suffusedly more or less 

 infuscated ; abdomen with the first two segments chestnut-red, the 

 others very dark reddish, or the whole abdomen very dark, except the 

 paler apex. 



Mandibles yellowish in middle, red at apex ; scape long and slender, 

 ferruginous, the upper half fuscous above ; flagellum dark, scarcely 

 at all reddish beneath ; mesothorax dullish, minutely granular ; scutel- 

 lum shining ; area of metathorax large, minutely wrinkled ; tegulae 

 shining rufotestaceous ; wings hyaline, rather yellowish, the large 

 stigma dark sepia, nervures very dilute sepia; third t. c, etc., weak- 

 ened ; second s. m. much broader below than above, receiving first 

 r. n. before its end; abdomen shining, with a microscopic transverse 

 lineolation. 



Runs in the table to 11, but differs in the coloration of the 

 abdomen. It is nearest to H. sphecodoides, but the middle 

 tibiae are red, and the abdomen is not black at base, though 

 the first segment has a large black spot on each side near 

 base (obscure in the darker variety). It may prove to be a 

 local race of sphecodoides. 



This and the last species belong to the subgenus Chlora- 

 lictus. 



Hab. — Mackay, Queensland, at flowers of Eucalyptus, 

 March, 1900 {Turner). Variety with darker abdomen; Mac- 

 kay, May, 1900 {Turner 7b). 



Halictus (Cliloralictus) urbanus Smith. 



A female in the Berlin Museum (17031) was collected in 

 Australia by Schultz. This was no doubt M. Schultz of 

 Port Darwin; cf. Proc. Australasian Assoc. Adv. Sci., xi, p. 

 199. 



TRANS. AM. ENT. SOC, XXXVI. AUGUST, 1910. 



