TENTHREDO VITELLINE. 221 
lows, rose trees, and gooseberry bushes, 
and on several others, as you may well 
imagine when I tell you, that one hun- 
dred and fifty species belong to this genus. 
Lucy. Is it a small insect? 
Mother. Some are very small, but 
the most common species, with which I 
am acquainted, the tenthredo caprece, is 
about the size of a small house fly, and 
may be often found in windows. The 
largest kind that I have seen is the te?i' 
fhredo viteUluce^ ; it is as large as a 
middling sized humble bee. 
Lucy. And, mamma, have they all 
little saws ? 
Mother, Before I answer your question 
I will give you the general description of 
the whole genus : wings tumid, or of a 
bulky consistence — jaws, but no probos- 
cis — antennae different in the various spe- 
cies — abdomen of equal thickness, and 
closely united to the thorax — stings ser- 
rated, and placed between two valves. 
* Plate XIX. 
