30 



METHODS OF INSECT LIFE. 



and also from one to four pairs of sucker-feet under 

 the body. 



Fig. 27. — Humble Bees. (Hyme7ioptera.) 



Bees, Wasps, Sawflies, Gallflies, Ichneumon- 

 flies, and others (Hymenoptera) — membrane-winged 

 — have four transparent or thin wings, as if they were 



Fig. 28.— Turnip Suwily, magmlied; cateipillars, pupa, and pujm- 

 easc. (IIijmeiW2)tera.) 



formed of a piece of membrane. The grubs are some- 

 times legless ; but those of the Sawflies, which are the 

 grubs most injurious to plants in this order, have 



