232 
THE STUDY OF INSECTS. 
destructive to melons and other allied plants, destroying 
both the foliage and the fruit. The moth is a superb 
Fig. 27 f>.—Margaronia hyalinata , larvae, cocoon, and adults. (From the Author’s 
Report for 1879.) 
creature, with glistening white wings bordered with black, 
and with a spreading brush of long scales at the end of 
the abdomen. 
Family Pyralidid^e (Pyr-a-lid'i-dse). 
The Typical Pyralids {Pyr'a-lids). * 
The moths of this family are distinguished from other Pyr¬ 
alids, except the next family, by the absence of a fringe of 
hairs on the basal part of vein VII of the hind wings; and 
they are distinguished from that family by the fact that veins 
III, and III, of the fore wings are united at base (Fig. 277). 
It is one of the smaller of the families of Pyralids; fifty-four 
species are now enumerated in our lists. 
