148 CARPENTER-MOTHS. 
known as ‘‘Goat-moths,” from a rank odor peculiar tothem, 
have rather narrow strong and pointed wings and long, 
spindle-shaped, naked bodies, and some resemble quite 
closely the hawk-moths in this respect. Their head is small, 
very much retracted, and the tongue is obsolete, so that the 
insect is unable to take food. Their nearly naked cater- 
pillars are all wood-borers, living from two to four years in 
the trunks or roots of trees. 
THE GOAT-MOTH. 
(Prionoxystus robinize Peck). 
This moth (Fig. 150) is by no means uncommon in Min- 
nesota, being frequently attracted to the electric light. It 
phe elder inh bere 
4 4 , f Spar 
Ls i ae Es 
Naot bad Liu Wel ig a fa 
Fig. 150.—Prionoxystus robiniz Peck; male, caterpillar and pupa. 
: From Division of Entomology, Dep. of Agriculture. 
passes its larval state in such trees as locust, elm, poplar, 
oak and others, being but rarely found in the trunks of crab- 
apple. Still there is a possibility that it may become more 
common, and consequently more destructive, as our apple 
orchards become more numerous and the trees older. 
