66 NATURAL HISTORY OP INSECTS. 



are wholly destitute of feet, like the larva of the Grape-seed 

 Maggot (Fig. 135). 



Fig. 181. 



Fig. 182. 



WASPS ( Vespidse). These insects have the body hard and 

 smooth; the antennae are elbowed (geniculate); the wings are 

 ?)lded once, and lengthwise, when at rest, and the hind legs are 

 smooth. These insects build nests either of mud (Fig. 



Fig. 183. 



181), or of a papery substance (Figs. 182, and 183, 6), and 

 store them with small caterpillars or other larvae, or with a 

 mass composed of the bodies of other insects chewed up into 

 a pulp. Many of these wasps are predaceous, such as the 

 Rust-red Wasp (Fig. 183, a), feeding upon flies, etc., but some 



