114 POPULAR ENTOMOLOGY. 



gance of motion which cannot fail to attract attention. 

 The larva inhabits water, remaining concealed in the day- 

 time under stones, or in holes made in the clayey soil ; it is 

 of course then destitute of wings ; the antennse are long ; 

 the mouth provided with a pair of horny appendages, like 

 jaws ; and the body has a series of leaf -like plates on each 

 side, with gills, or branchiae, at their base ; the extremity of 

 the body is furnished with short filaments. The pupa dif- 

 fers only in having the rudiments of wings. 



Hymenopteea. Andkenid^. 

 ANDRENA. 



Generic Distinctions. — Autennce, thu'd joint longer than the 

 others ; maxillae long and bent ; labrum, or lip, short ; proboscis 

 downy and thick ; Jiind legs hairy. 



Andrena nigeo-^nea. (Plate IV.) This species of Bee 

 has the body black, and densely clothed with tawny-coloured 

 hairs ; the antennse are black, as is the thorax, which is also 

 covered with reddish hair ; the wings are transparent and 

 slightly iridescent ; the legs are black and hairy, the hinder 

 pair being thickly clothed with long white hair. 



