NATURAL HISTORY. 
£.'2 
flius avenge tlie whole nation of flies of fo 
lurmidable a foe-: others, cieflitute of wings 
(and thofe are females), depofit their eggs 
in fpiders nefls. The ichneumon of the 
bedeguar, or fvveet-briar fponge, and that 
of the rofe-tree, perhaps, only depofit their 
eggs in thofe places, becaufe they find other 
infedls on which they feed. 
The genus of the ichneumon flies, might, 
with propriety, be termed a race of diminu- 
tive canibals. 
Genus IX. 
FORMIC A, 
• Chm-aBir, 
A LITTLE upright fcale is' fituated be* 
tween the bieafl and the belly. 'I'he fccltrs 
arc broken, and have the fiift articulation 
longer than the red. The females and neu- 
u rs have a fling, concealed in the abdomen. 
'1 he males and females arc winged ; and 
the neuters arc apterous, or without wings. 
,FORMICA. 
