230 
THE STUDY OF INSECTS . 
A A. Wings fissured. 
B. Wings with less than five fissures; usually the fore wings have 
one fissure and the hind wings two. p. 237. — Pterophorid/e. 
BB. Each wing split into six parts, p. 238 . ORNEODiDiE. 
Family PYRAUSTID^E (Py-raus'ti-dse). 
The Pyraustids (Py-raus'tids). 
The members of this family differ from other Pyralids by 
the following combination of characters. There is no fringe 
of long hairs on the basal part of vein VII of the hind 
wings, and vein 11 I ft of 
the fore wings arises 
from the discal cell dis¬ 
tinct from vein III 4 (Fig. 
272). This family in¬ 
cludes many small 
moths; but it contains 
also the majority of the 
larger species of Pyra¬ 
lids. Some of the species 
are very striking in ap¬ 
pearance. 
The Grape Leaf- 
folder, Desmia funeralis (Des'mi-a fu-ne-ra'lis) is a common 
species, the larva of which feeds on the leaves of grape. 
The larva folds the leaf by fastening two portions together 
by silken threads. When full grown, it 
changes to a pupa within the folded leaf. 
The moth is black with shining white spots. 
The male (Fig. 273) differs from the fe¬ 
male in having a knot-like enlargement near * juneraUs. 
the middle of each antenna. There is some variation in 
the size and shape of the white spots on the wings. In 
some specimens the white spot of the hind wing is sepa¬ 
rated into two or three spots. 
Fig. 272.—Wings of Nomophila noctuella. 
