Lasiocampidse 
Rosacece , although they also at times feed upon other trees. 
The hickories of various species and the walnuts are not exempt 
from their ravages. The 
writer has never observed 
them feeding upon oaks, 
birch, or beeches. An ex¬ 
cellent account of the hab¬ 
its of these creatures may 
be found in Riley’s Mis¬ 
souri Reports, Number III, 
from which the illustra¬ 
tions here given have been 
taken. The means of 
holding the insects in 
check are the same which 
have been recommended in the case of M: americana. 
Genus HETEROPACHA Harvey 
(i) Heteropacha rileyana Harvey, Plate VIII, Fig. 7 9 . 
The moth is not uncommon in the Valley of the Mississippi, 
ranging from western Pennsylvania to Kansas and Missouri, and 
southward into Texas. 
Genus EPICNAPTERA Rambur 
(1) Epicnaptera americana Harris, Plate XLI, Fig. 19, 
Fig. 20, ?. 
Syn. occidentis Walker; carpinifolia Boisduval. 
There are a number of color forms of this insect which have 
received names, and which appear to be local races of some mea¬ 
sure of stability in the regions where they occur. We have given 
in our plate the form which is common in the Mississippi Valley. 
The specimens figured were bred from larvae reared by Mr. Tallant 
at Columbus, Ohio. 
“The Baron was an entomologist. Both the Fontenettes thought we should 
be fascinated with the beauty of some of his cases of moths and butterflies.” 
G. W. Cable, 
Fig. 190.— M. disstria. a , egg mass; b, 
moth ; c , egg viewed from top ; d , eggs viewed 
from side; c , d , magnified. (After Riley.) 
