-4 ^Ir. 'J\ ]\ A. Cockeiell — Descriptions and 



bauds : on the venter tliere are wliitc hair- fringes ; hair at 

 apex black bnt small in anionnt. 



Hah. Ilobart, Tasmania {J. J. Walker, 3217). 



Obtained on the ' I'engnin ' Expedition. 



Close to P. clialybt'dtus and P. obscurus, but larger; by 

 the venation and the eolour of the abdomen it is nearer to 

 chahjbeatus, by the colour of the stigma to obscurus. The 

 Tasmanian PuracoUetes of this group show nuieh similarity 

 (and no doubt real affinity) to ^onie of the New Zealand 

 forms. 



PuracoUetes Jf^orsfoldi, sp. n. 



9 . — Length about 10^ mm. 



Black, -with greyish-white and bla tk hair, the second 

 to fourth abdominal segments with cjnspicujus but narrow 

 ^liite hair-bands. 



This is the species which 1 formeily regarded as P. ob- 

 scurus (Sm.), but further studies have convinced me that it 

 is distinct ; it differs from the description of obscurus princi- 

 ])ally by the banded abdomen, but also by the mandibles 

 having only a dark ferruginous subapical ring, the hairy 

 sides of face, and the hair on under (or inner) side of tibiie 

 white. It is allied to P. Jiobartensis, from which it differs in 

 the smaller size, banded abdomen, more closely punctured 

 clypeus, greyish-white (instead of black) hair at sides of 

 face; also by the reddened last anteimal joint (the antennte 

 otherwise dark) ; the middle of mesothorax less shining and 

 not wholly inisculptnred ; the rufous tegulse ; the post- 

 scntcllum with wholly light hair; the sides and anterior part 

 of mesothoriix Avith much light hair ; the black hair of 

 scutellum and middle of mesothorax very coarsely plumose ; 

 the abdomen hairy, especially the first segment; the black 

 hair at apex abundant ; and the venter covered Avith light 

 hair. The hair of the vertex and outside of hind tibiae is 

 black. Tie vings are dusky; stigma very narrow, dark- 

 margined with a reddish central streak ; b. u. meeting t.-m. ; 

 second s.m. broad, receiving the first r. n. a little before its 

 middle ; third s.m. reeeiiang second r. n. a fair distance from 

 its end. 



Hab. W. Australia (C. M. Worsfold, 1903-368). 



The labial palpi of /-*. hobartensis are large and dark (the 

 first joint at least as long as the next two together) ; those 

 of P. H^orsfoldi are smaller ai]d rerruginous. 



