BUTTERFLIES OF MAINE. 53 
This species feeds on wild gooseberry, cultivated currant, 
willow and Betula lenta. 
The mature larva is an inch and one-fourth long, head 
black, furnished with two branching horns, and a few scat- 
tered white hairs. Upper side of second to sixth segments, 
brick red, striped transversely with blue, yellow and black 
lines ; a few white hairs on the second segment ; four branch- 
ing, yellow spines, with black tips, on the third and fourth 
segments; six on the fifth and sixth. Segments seven to 
twelve are white, with a faintly-marked black stripe along 
the back, each with three transverse yellow bands and two 
oblique black spots. These segments have each seven branch- 
ing spines, all white except the one next to the lowest, which 
is brown. Last two segments black, twelfth, with 
seven spines like the eleventh, and the thirteenth 
has four white spines. Sides red, with two black 
bands, the lower spotted with blue. 
Under side gray, striped transversely with 
black. Feet and prolegs black. Ries 16. Paoee 
The pupa is well represented in Fig. 18. Grapta faunus. 
The perfect insect flies in Orono about the (°°? 
middle of August. 
23. GRAPTA PROGNE, Cram. 
Grap’-ta prog’-ne. 
Expanse of wings, about two and one-half inches. 
Upper side of wings, tawny orange, marked and bordered 
with black as in G. comma. Under side of wings, brown, 
crossed with fine black streaks, and a paler band: on the 
outer part, leaving the darker basal part strongly angulated 
on the middle. 
Hind wings with a silvery mark, somewhat in the form of 
the letter L, on the middle of the under side. 
The larva of this insect feeds on currant and gooseberry, 
