Engel : Lepidoptera of Western Pennsylvania. 75 



3096. Melalopha albosigma Fitch. 



Pittsburgh, April 25-May 17; August 23 (Marloff, Engel); New 

 Brighton, April 23-June 27, August 31-September 2 (Merrick). 

 Foodplant : willow. 

 3098. Datana ministra Drury. 



June 13-July 20. Common. The larvae are abundant in colonies 

 on many deciduous plants, but seem to prefer hawthorn. 



3100. Datana angusi Grote & Robinson. 



June 15-July 13. Common. The larvae are common on hickory 

 in small colonies. 



3101. Datana drexeli Hy. Edwards. 



New Brighton, June 26-July 22 (Merrick); Pittsburgh, June 

 (Krautwurm); Ohio Pyle, July i (Marloff). Mr. Kraut wurm and 

 the writer reared the larvge, which are common, on witch-hazel. 



3102. Datana major Grote & Robinson. 

 Pittsburgh (Krautwurm). 



3106. Datana perspicua Grote & Robinson. 



Pittsburgh, June, July (Krautwurm); Wilmerding, (Zahrobsky). 

 Mr. Krautwurm has observed the larvae in colonies on sumac. 

 3108. Datana integerrima Grote & Robinson. 



June 12-27. Common. The larvae are abundant in large colonies 

 on walnut. 

 31 10. Datana contracta Walker. 



June 20-July 9. Rare. The writer and Mr. Marloff have bred 

 large series of this species which when flown is easily confused with 

 3108. The larvae live on different kinds of oaks. 

 31 1 2. Hyperaeschra georgica Herrich-Schaeffer. 



New Brighton, July 31 (Merrick). 

 31 16. Notodonta basitriens Walker. 



Ohio Pyle, July 17 (Engel); Pittsburgh, July (Krautwurm); New 

 Brighton, July 27-August 18 (Merrick). Mr. Krautwurm has reared 

 the larva on maple. 

 31 18. Pheosia dimidiata Herrich-Schaeffer. 



New Brighton, August 2-24 (Merrick); Allegheny (Lippold); 

 Ohio Pyle, July 31 (Kahl & Klages). 

 312 1. Lophodonta angulosa Smith & Abbot. 



New Brighton, July 2-20 (Merrick). 

 3123. Nadata gibbosa Smith & Abbot. 



April 27-May 26 ; July 4-August 24. Common. The larvae are 

 common on oak and maple. 



