HALICTUS. 215 



the centre of the third submargiaal cell [a slightly diffe- 

 rent arrangement takes place in some of the species, 

 which will be noticed subsequently] ; the legs all setose, 

 but the setae not very long, and the posterior coxae and 

 trochanters have long hair beneath ; the claws bifid. 

 Abdomen ovate, the terminal segment with a longitu- 

 dinal linear incision in its centre. 



The MALES differ in having the antennae as long or 

 longer than the thorax ; the labrum transverse, linear, 

 and the abdomen usually elongate and cylindrical, and 

 much longer than the head and thorax. 



NATIVE SPECIES. 



1. xanthopus, Kirby, S ? . 4-5^ lines. (Plate IT. 



fig. 1 c? ? •) 

 Lasioglossum iricingulum, Curtis. 



2. quadricinctus , Fabricius, ^ ? . 4-4i lines. 

 quadricinctus, Kirby. 



3. rubicundus, Christ. $ $ . 4-5 lines. 

 rubicvndus, Kirby. 



4. cylindricus, Fabricius, S ? • 3-5 lines. 

 malachura, Kirby. 



fulvo-cincta, Kirby. 

 abdominalis, Kirby. 



5. albipes, Fabricius, (J ? . 3-4 lines. 

 albipes, Kirby. 



ohovata, Kirby. 



6. ItBvigatus, Kirby, (J ? . 3-4| lines. 

 lugubris, Kirby. 



7. leucozonius, Schrank, ^ . 3— 4| lines. 

 leucozonius, Kirby. 



8. quadrinotatus, Kirby, (J ? . 2-3 lines. 



9. sexnotatvs, Kirby, S ? • 



