4.40- 
Wheat mld ge a . n>0 
""heat s^m sawfiy'a n "o " " 
wheat straw worm a n o ' ' 
White-lined sphinx Yn"o " 
White-marked spider w'tio 
White-marked tussock moth a 
White peach scale a.n.o. . 
White-pine weevil a.n.o. 
Willow grove aphid 
Wood tick 
Woolly alder aphid a.n.o. 
Woolly apple aphid a.n.o. 
Woolly beech aphid 
Woolly elm aphid a.n.o. 
Woolly larch aphid 
Woolly maple leaf aphid 
Woolly pine scale 
Woolly whitefly a.n.o. , 
Yellow an: 
Yellow meal worm a.n.o. 
Yellow-necked caterpillar a 
Zebra caterpillar a.n.o. . 
Contarinia triticitty' 
Cephus cactus fort. 
Celeria lineata Fab. 
Ptinus fur L. ^ r 
Hemerocarnpa leucostigma -• & A « 
Aulacaspis pentagona Targ. 
Pissodes strobi Peck 
Melanoxantherium smithae toonell 
Permacentor venustus Banks 
Prociphilus tessellatus Fitch 
Erisoma lanigerum Hausm. ^ 
Prociphilus imbricator Fitch 
Eriosoma americanum 'ti.ll.e~ 
Chermes strobilobius Xalt. 
Pemphigus acerifolii Riley^ 
Pseudophilip ia quaintancii Ckll, 
Aleurothrixus howardi Quaint. 
Lasius interjectus Mayr 
Tenebrio rnolitor L. 
Datana ministra Drury 
Mamestra picta ^ a rr. 
