HALICTUS. 
215 
the centre of the third submarginal 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 coxce 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, d ? • 4-54 lines. (Plate IV. 
fig- 1 c? ? •) 
Lasioglossum tricingulum, Curtis. 
2. quadricinctus, Fabricius, $ ? . 4-4J lines. 
quadricinctus, Kirby. 
3. rubicundus, Christ. $ $ . 4-5 lines. 
rubicundus, Kirby. 
4. cylindricus, Fabricius, <$ ? • 3-5 lines. 
malachura, Kirby. 
fulvo-cincta, Kirby. 
abdominalis , Kirby. 
5. albipes, Fabricius, £ ? • 3-4 lines. 
albipes, Kirby. 
obovata, Kirbv. 
6. Icevigatus , Kirby, $ $ . 3-4J lines. 
lugubris, Kirby. 
7. leucozonius, Schrank, $ . 3-4 \ lines. 
leucozonius , Kirby. 
8. quadrinotatus, Kirby, $ ? . 2-3 lines. 
9. sexnotatus , Kirby, $ ? • 
