146 LASIOCAMPIDS. 
warts gives rise to a few bl.ck hairs. There is also a stig- 
matal row of large warts, from each of which proceeds a 
cluster of light gray hairs, interspersed with a few black 
ones. The under side is of a pale red or orange color, with 
squarish black spots. When full grown it reaches a length 
of two inches and a half. Late in July it spins a very dense 
cocoon, about an inch and a half long and half an inch wide, 
oval, convex above, and flattened on the under side, of a 
brownish-gray color. 
The sexes of this moth, which is found in August and 
September, vary considerably in size, the male being much 
smaller, measuring only from an inch and a half to an inch 
and three-quarters, while the female measures two and three- 
quarters inches. The fore-wings of this delicate looking 
moth are gray, crossed by two double, slightly wavy, white 
lines at the end of the first and second thirds of the length of 
the wing, and a single line of the same color near the outer 
margin. The hind-wings have only the outer line. The body 
is milky-white, with a large, blackish spot on the middle of 
its back; that part of this spot which is on the thorax is 
composed of beautiful, glistening and erect scales, while the 
caudal part of it consists of recumbent hairs. This moth 
differs from most other moths by having the body covered 
with long hairs; it is shown in Fig 147, Plate XXIV. 
THE AMERICAN LAPPET-MOTH. 
(Gastropacha americana Harr.). 
This is a very interesting insect and rather common. 
The moth (Fig. 148 and Fig. 149, Plate XXIV), which 
occurs in two colors, is quite 
remarkable on account of the 
fact that when resting it so 
closely mimics a dead leaf, that 
even trained eyes are apt to 
be misled. Most examples are 
Fig. 148.— Ga: achaz ice y - 4 Tia 
Harr Orgidak Oe a) tanh, re CCis Drege 
