LEPIDOPTERA. 
237 
egg- s acs of Pulvinaria . Like other members of this family 
the larva spins a silken tube, within which it lives. On a 
Fig. 283.- latilia cocctdivora ; a> egg; b , larva ; c , pupa; d , adult; moths natural 
size resting on egg-sacs of Pulvinaria . 
thickly-infested branch these tubes may be found extending 
from the remains of one coccid to another. 
Family Pterophoridae (Pter-o-phor'i-dae). 
The Plume-moths . 
The Plume-moths are so called on account of the 
remarkable form of the wings, which are split by longitu- 
