SPAN-WORMS. 181 
hind-wings. The moths which fly during July and early 
August, measure a little less than aninch across. As they 
are not numerous enough to cause much injury no special 
remedies are given. 
THE RASPBERRY GEOMETER. 
(Synchlora glaucaria Gn.). 
This is a very delicate moth, less than half an inch across 
the expanded wings, of a pale green color, crossed by two 
lines of a lighter shade. Its hody is green above and white 
beneath. The moth is quite abundant, and can be seen fly- 
ing about if we walk through fields in which grow patches 
of the plants upon which it feeds. It seems that the cater- 
Fig. 183.—Synchlora glaucaria Gn. a, caterpillar; b, one segment 
of same; d, wingsenlarged. After Riley. 
pillar prefers to eat the ripe berry, and that it does not care 
very much for the foliage, for which taste it surely can not 
be blamed. At all events the caterpillars reach their full size 
about the time that the raspberry ripens. They measure at 
that time about three-quarters of an inch in length, are of a 
yellowish-gray color, and each segment is furnished with sev- 
