190 BIOLOGICAL SURVEY OF 



Paonias Hiibner 



P. EXCAECATA Abb. & Sm. (741). The Blinded Sphinx. N. E. 

 Harbor; Corfield and Penikese at light, June 29-July 25. 

 The larva feeds on various plants of the order Rosaceae, 

 also on willow, etc. 



P. MYOPS Abb. & Sm. (742). The Small-eyed Sphinx. Peni- 

 kese at light, July 1-23. The larvae also feed on various 

 Rosaceae. Not as plentiful as above. 



Pachysphinx R. & J. 



p. MODESTA Harr. (745). The Big Poplar Sphinx. Common. 

 Large hatch 1935. Penikese, June. The larva feeds on 

 poplar and willow. 



Aellopos Hiibner 



A. TITAN Cram. (765). The Wliite-banded Day-sphinx. Peni- 

 kese, July. Scarce and its northern limit. 



Hemabis Dalm 



H. THYSBE Fab. form cimbiciformis (767). The Humming- 

 bird Clear-wing. Common, June 8-July 28. The larva 

 feeds on Viburnum, Lonicera, etc. The most common spe- 

 cies of the genus and is a dimorphic form. 



H. GRACILIS Grt. & Rob. (768). The Graceful Clear-wing. 

 Great Clearing; Witch Hole Pond; S. W. Harbor (Br.) in 

 June. The most scarce of the three species. 



H. DiFFiNis Bdv. (770). The Snowberry Clear-wing. Com- 

 mon, June 12-July 17. The larva feeds on snowberry 

 {Symphoricarpus) , Lonicera, etc. The spring form is called 

 tenuis and the summer that above. 



Pholus Hiibner 



P. PANDORUs Hbn. (772a). One individual taken at Corfield. 

 The larva feeds on Virginia creeper (Ampelopsis) and the 

 Vitaceae. A northern record for this species. 



