590 REPORT OF NEW JERSEY STATE MUSEUM. 



PTERONUS Jur. 



P. ostryae Marl. Ft. Lee, larva on blue beech (Dyar). 



P. pinguidorsum Dyar. Monmouth Co., salt meadows VII, 31 (Coll). 



P. salicisodoratus Dyar. Trenton VII, 25 (Hk). 



P. carpini Marl. Ft. Lee, larva on hop-hornbeam (Dyar). 



P. longicornis Marl. Flatbush, L. I., and sure to be found in New Jersey. 



P. integer Say. New Jersey (Cress); larva on oak "Q. tinctoria" (Dyar). 



P. trilineatus Nort. Newark VI, 25, Trenton VIII, 1G (Coll); larva on 

 locust. 



P. ribesi Scop. The larva is the common "currant worm," and is found 

 wherever a currant or gooseberry bush grows, often defoliating plan- 

 tations completely. Arsenical sprays or hellebore act promptly and 

 effectively. 



P. erythrogaster Nort. Riverton (Vk). 



P. corylus Cress. Chester (Coll); Staten Island VI (Ds) ; larva gre- 

 garious edge feeders on "Alnus" (Dyar) and "Corylus." 



P. ventralis Say. New Jersey (Cress); larva on willow and poplar. 

 P. cornelli Marl. Staten Island V, VI (Ds). 



P. mendicus Walsh. (Nematus 3--vittatus Nort.) Larva on Willow, New- 

 ark V, New Brunswick V (Coll). 



P. hyalinus Marl. Larva on white birch, Riverside Drive, N. Y. (Dyar). 

 P. quercus Marl. Larva on white oak, Bellport, L. I. (Dyar). 



NEMATUS Jur. 

 N. chloreus Nort. Larva on "Quercus coccinea," Bellport, L. I. (Dyar). 



Sub- family BLENNOCAMPIN^. 



HYPARGYRICUS MacG. 



H. fumipennis Nort. (Phymstocera) New Jersey (Cress); Del. Water 

 Gap, larva on flowers of "Smilacina" (Young). This is the "Melanose- 

 landria zabriskei" Ashm. of the previous list a mss. name only. 



MONOPHADNUS Hartig. 



M. tiliae Nort. New Jersey (Cress); Riverton (Vk). 



ISODYCTIUM Ashm. 



I. caryicola Dyar. Fort Lee, on hickory (Dyar). 

 I. dilutum Cress. Lucaston V, 9 (Dke). 



I. subgregarius Dyar. Long Island, on rock oak, "Q. orinus" (Dyar), and 



certain to be found in New Jersey. 

 I. infrequens Dyar. Larva on white oak on Long Island (Dyar). 



