184 SPAN-WORMS. 
THE VESTAL CORYCIA. 
(Corycia vestaliata Guen.). 
This delicate moth is snow-white, iridescent, with no 
markings; the long fringes are also white, as is the front of 
the head; the palpi are yellowish on the outer half, and the 
antennz, which are white above, are sometimes brownish, 
and yellowish beneath. Brown stains occur along the under 
side of the costa of the fore-wings, as far as the apex. This 
moth has an expanse of wings of nearly one inch. 
The caterpillar is stated to feed upon the foliage of the 
apple, but has not been seen, though the moth is fairly 
common. 
THE CURRANT SPAN-WORM. 
(Eufitchia ribearia Fitch). 
The caterpillar of this rather common insect is quite de- 
structive to the black currant and thegocseberry. Ittrans- 
forms into a moth which is frequently flushed while walking 
in places where wild currant and gooseberry bushes grow. 
The caterpillar, which measures when full grown a little 
more than an inch, is of a whitish color, with a wide yellow 
stripe down the back, another of the same character along 
each side, and a number of black spots of different sizes upon 
each segment. The under side is white, with a slight tinge 
of pink; it is also spotted with black, and has a wide yellow 
stripe down the middle. This brightly colored caterpillar 
resembles somewhat that of the European Harlequin cater- 
pillar, and can become equally destructive to the gooseberry. 
Happily there is but one annual generation of this insect. 
When these caterpillars are disturbed they let themselves 
down very suddenly by means of a silken thread, and remain 
suspended in mid-air, or until the danger is past, when they 
reascend in the peculiar way called by sailors ‘hand over 
