Records of Bees. 'MM 



H. urbanus, Smith, and H. helichrysi, Ckll., the latter not 

 quite typical. 



Hulictus isthmalis, sp. ii. 



(J . — Length about 5 ram. 



Katlier robust, black, with a large broadly rounded red 

 plate at end of abdomen ; mandibles dark red except at base ; 

 clypeus with a very broad, apical, pale yellow, transverse 

 band, angularly produced in middle above; anterior knees 

 and all the tibiae and tarsi ferruginous, the middle and hind 

 tibiiie Avith a suffused dusky cloud ; teguhe piceous, the 

 margins subrufous. AViugs hyaline, nervures and stigma 

 reddish sepia ; first r. n. meeting second t.-c., or entering 

 basal corner of third s.m. ; third s.m, large. Pubescence 

 scanty, but much white hair in region of antennse ; hair of 

 thorax above faintly yellowish ; clypeus shining, irregularly 

 punctured ; front dull ; antennse long, black, the Hagellar 

 joints stout and swollen beneath ; mesothorax and scutellum 

 shining, with fine only moderately dense punctures ; area of 

 metathorax semilunar, well defined, with radiating ridges ; 

 abdomen broad, shining, hind margins of segments not pallid. 



Hab. Eaglehawk Neck, S.E. Tasmania, Feb. 12-March 3, 

 1913, 2 S (^- E. Turner ; British Museum). 



This can hardly be the male of H. familiaris, Er., or H. ylo- 

 bosus, Sm. 



The following table separates it from the nearly related 

 males : — 



Head very broad ; tibiae and tarsi not red ; sculp- 

 ture of area of metathorax extremely tine. 

 (Adelaide.) I£. cambayei, Ckll. 



At least the tarsi red ; area of metathorax with 



evident ridges 1 . 



1 . Larger ; ridgee absent from apical part of area ; 



tibiae dark H. repeHus, Cldl. 



Smaller ; ridges not thus limited ; tibia? red. ... //. isthmalis, Ckll. 



Halictus isthmalis, var. a. 



^ . — Smaller, with area of metathorax more finely sculp- 

 tured ; tegulse with a large red spot ; second s.m. very 

 narrow. 



Hab. Mt. Wellington, S. Tasmania, Jan. 15-Feb. 6, 1913 

 [li. E. Turner ; Brit. Museum). 



I had at first separated this as a distinct species, but ou 

 closer examination it appears to be an iudividuul variation. 



