Engel : Lepidoptera of Western Pennsylvania. 37 



656. Hemaris thysbe Fabricius. 



July 15-August 19. 



Var. ruficaudis Kirby. 



May 22-June 15. Not common. Like the summer form, it 

 occurs at various flowers on sunny days. The larvae feed on snowball 

 and hawthorn. 



667. Amphion nessus Cramer. 



May 20-July 3. Common. The moth occurs at flowers during 

 the late afternoon and it is freely attracted by the fermented sap of 

 wounded oak trees. The larva occurs on Virginia-creeper and wild 

 grape. 



668. Sphecodina abboti Swainson. 



May i2-June 4. The moth frequents lilac blossoms and is also 

 attracted by sugar. Larvae have been reared by Mr. Krautwurm on 

 Virginia-creeper and grape. 



669. Deidamia inscriptum Harris. 



April 25-June I. The larva of this species feeds on the wild grape 

 and in forests where this plant abounds the moth is not rare. They 

 emerge during the evening hours and may be found the following day 

 clinging to the vines or dead weeds near their foodplant. 



670. Deilephila gallii Rottemburg. 



Allegheny, July (Overbeck). One specimen taken on flowers of 

 Sapotiaria . 



671. Deilephila lineata Fabricius. 



May 3o~June 29; July 21-September i. Common at flowers. 

 The very variable larvae occur on wild portulaca and the writer has 

 reared them on four-o'clock (^Mirabilis jalapa). 



672. Theretra tersa Linnaeus. 



August 1-20. Rare. The moth occurs on the flowers oi Saponaria 

 during the evening hours. (The editor has found the larvae on 

 Euphorbia, and has bred them.) 



678. Pholus pandorus Hubner. 



July 7-August 12. Common at Saponaria blossoms during the 

 early evening. Larva on grape and Virginia-creeper. 



679. Pholus achemon Drury. 



June 29-August II. This species has the same habits as the pre- 

 ceding species. 

 681. Ampelophaga choerilus Cramer. 



Pittsburgh, July 3, 1895 (Friday). New Brighton, May 8 (Mer- 

 rick). Pitcairn and Schenley Park, Pittsburgh (Holland). 



