ADDITIONAL INSECT ENIMIES. 139 
Gipsy Morn (Ocneria dispar, Linn.).—This is a 
European insect, introduced by L. Trouvelot of Massa- 
chusetts about 1870, for the purpose of experimenting 
in cross-breeding with silk worms. ‘The experiment 
was a failure. ‘he insects escuped from bim, and their 
progeny has become widely distributed in Massachusetts, 
but as yet not elsewhere. 
It is destructive to almost 
every kind of tree and shrub. 
The male moth (Fig. 126) 
measures about an inch and 
seven-eighths from tip to 
tip across the fore wings, 
which are dark yellow- Fig. 126.—MALE GIPSY MOTH. 
brown, with black wavy lines across them. The hind 
wings are an inch and a quarter across, and marked 
with dark lines radiating out from the body, and divid- 
ing as they spread. ‘The outer edge of all the wings is 
dotted with a row of black spots. The antenne are 
broadly pectinated. The female moth (Fig. 127) meas- 
aT 
wal 
" 
Way 
ASEAN 
x3 
ee 
Fig. 127, FEMALE GIPSY MOTH. 
ures two and three-fourths inches across the wings, and 
is marked much like the male on a very light ground. 
The hind wings are two and one-eighth inches across, 
very light, and otherwise like the male. The antennez 
are thread-like, curving towards each other at their tips. 
