1908] Lepidoptera of Lake Rosseau. 141 



Rhopalocera. 



t 



Pontia rapae L. Single specimens of this the well-known Small 



White Cabbage Butterfly were observed from time to time 



during our stay. 

 Eurymus philodke Godt. Several examples flying in a pasture 



field. 

 Argynnis cybele Fab. \ These are all common species 



Argynnis aphrodite Fab. I in Ontario. In the Muskoka 

 Argynnis ailantis Edw. i district, atlantis is probably the 

 Brenthis myrina Cramer. ) most abundant. 

 Polygonia progne Cramer. A few specimens along a roadside. 

 Euvanessa antiopa L. The Morning Cloak Butterfly was seen 



occasionally. 

 Basilarchia archippus Cram. One taken on Sept. 8th. 

 Anosia plexippus L. This usually common butterfly was notice- 



ablv scarce during 1907. At Ottawa very few specimens 



were seen, and only one at Rostrevor. 

 Heodes hypophleas Bdv. A single example on Sept. 16th. 



Heterocera. 



Sphinx kalmiw S. & A. A nearly full grown larva of this hawk- 

 moth was found on Sept. 15th. It was heavily parasitized 

 bv a small hymenopterous fly belonging to the sub-family 

 Microgasterinse. 

 Telea polyphemus Cramer. One cocoon found Sept 10th. 

 Automeris io Fab. A mature larva was beaten from basswood 

 on Sept. 12th. 

 * Lycomorpha pholus Dru. One specimen, Sept. 8th. The larva 

 feeds on lichen. 

 Crambidia casta Sanborn. Several examples of this wide- 

 spread species were taken on Sept. 4th. 

 Hypoprepia miniata Kirby. A few, Sept. 5th. 

 Hyphantria textor Harr. The work of this, the Fall Webworm, 



was seen Sept. 1st. 

 Diacrisia virginica Fab. Mature larv^ae of this common arctian, 



were occasionally seen. 

 Apantesis parthenice Kirby. Specimens taken almost every 

 evening during our stay. This is doubtless the most abund- 

 ant tiger moth in Canada. The larva is described by the 

 writer, in all its stages, in the Canadian Entomologist, 

 October, 1905. 

 Halisidota iessellaris S. & A. A few mature larvae seen. These 



caterpillars are general feeders. 

 Halisidota maculata Harr. Larvae commonly found on alder. 



