748 NEW YORK STATE MUSEUM 



Sucking insects 

 Chaitophorus candicans Koch. Pack. 



Chaitophorus populifoliae Fitch, chestnut-brown, black marked aphid, l/ 5 in. Pack, 

 p. 471 



Chaitophorus populicola Thorn. Pack. p. 434 



Pemphigus popularius Fitch, brown, green, black marked aphid, H in. Pack. p. 472 

 Pemphigus populi-globuli Fitch, basal, globular leaf galls. Pack. p. 472 

 Pemphigus populimonilis Riley. Pack. 

 Pemphigus populiramulorum Riley. Pack. 



Phemphigus populi-venae Fitch, yellow mid vein galls. Pack. p. 472 

 Pemphigus pseudobyrsa Walsh. Pack. 



Phylloxera popularia Perg., in green deserted galls of Pemphigus p o p u 1 i- 



caulis Fitch. Davenport. Acad. Sci. Proc. 9 : 266 

 Phylloxera prolifera Oestl., occurs in deserted galls of Pemphigus p o p u 1 i- 



caulis Fitch. Perg. Davenport. Acad. Sci. Proc. 9 : 265 



BIRCH 



Borers 



Campylus denticornis Kirby. Pack. p. 485 

 Gracilia minuta Fabr. Wickham. Can. Ent. 29:110 

 Rhinosimus viridiaeneus Rand., under birch bark 

 Liodes basalis Lee, on woody fungus 

 Liodes globosa Lee, on woody fungus 

 Dorcatoma setulosum Lee, on woody fungus 

 Orchesia gracilis Melsh., fungi 



Leaf feeders 



Croesus latitarsus Nort., blue black larva; cherry. Harrington. Ent. Soc. Ont. 

 1 5 th Rep't, p. 67 



Hylotoma coerulea Nort., larva indistinguishable from H. pectoral is Leach. 



Dyar. Am. Ent. Soc. Trans. 22 : 309 

 Pristiphora tibialis Nort., translucent, leaf-green, shining larva ; willow, yellow 



birch. Dyar. Am. Ent. Soc. Trans. 22 : 301 

 Strongylogaster pinguis Nort., not shining, yellowish olivaceous larva ; oak, linden. 



Dyar. Am. Ent. Soc. Trans. 22 : 31 1 

 Tenthredo cressonii Kirby, whitish green to yellowish green translucent larva. 



Dyar. Am. Ent. Soc. Trans. 22 : 312 

 Tenthredo remota MacGill., whitish translucent larva, appearing yellowish green. 



Dyar. N. Y. Ent. Soc. Jour. 5 : 19 

 Taxonus multicolor Nort., translucent waxy tinged vinous and tar-brown larva. 



Am. Ent. Soc. Trans. 22 : 309 

 Pteronus ? lateralis Nort., dark, slightly shining green larva. Am. Ent. Soc. Trans. 



22 : 307 



Pteronus latifasciatus Cress., purplish vinous tinted larva. Dyar. Am. Ent. Soc. 

 Trans. 22 : 304 



Pteronus pinguidorsum Dyar, translucent green larva. Am. Ent. Soc. Trans. 22 : 303 

 Pteronus hyalinus Marlt. U. S. Div. Ent. Bui. 3, t. s. p. 67 

 Syneta ferruginea Germ. Pack. 

 Aphrastus taeniatus Gyll. Pack. 



