J^S NEW YORK STATE MUSEUM 



Sucking insects 



Chaitophorus candicans Kocli. Pack. 



Chaitophorus populifoliae iMtch. chestnut-brown, black niarkcd aphid. '5 in. Tack. 



P- 47' 

 Chaitophorus populicola Ihoni. Pack. p. 4:;4 



Pemphigus popularius Pitch, brown, green, bkick marked aphid, 'a in. Pack. p. 472 

 Pemphigus populi-globuli P"itch, basal, globular leaf galls. Pack. ]i. 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 li- 



c <i u 1 i s l<'itch. Davenport. Acad. Sci. Proc. g : 266 

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



caulis P'itch. Perg. Davenport. Acad. Sci. Proc. 9 : 265 



BIRCH 



Borers 



Campylus denticornis Kirb)-. Pack. p. 4S5 

 Gracilia minuta P\ibr. W'ickham. 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 Melsli., fungi 



Leaf feeders 



Croesus latitarsus Nort., blue black larva; cherr}-. Harrington. ImU. .Soc. (Int. 



I 5th Rep't, p. 67 

 Hylotoma coerulea Nort., lar\a indistinguishable from 11. ji e c t o r a 1 i s Leach. 



Dyar. y\m. Lnt. Soc. Trans. 22 : ^09 

 Pristiphora tibialis Nort., translucent, leaf-green, shining lar\-a ; willow, }-ellow 



birch. D>ar. Am. Ent. Soc. Trans. 22 : 301 

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



Dyar. .\m. l',nt. Soc. 'Prans. 22 : 3 1 i 

 Tenthredo cressonii Kirby, whitish green to yellowish green tr.iuslucent lar\-a. 



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

 Tenthredo remota MacGill., vi'hitish translucent larva, a|j[)earing \ellowish green. 



l)\-,ir. N. V. Ent. Soc. Jour. 5 : 19 

 Taxonus multicolor Nort., translucent w.i.w tinged \'inous ami tar-brown lar\a. 



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

 Pteronus ? lateralis Nort., dark, slightly shining green larva. Am. P",nt. .Soc. I'rans. 



22 : 307 

 Pteronus latifasciatus Cress., purplish vinous tinted larv.i. 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. 6j 

 Syneta ferruginea Germ. Pack. 

 Aphrastus taeniatus Gyll. Pack. 



