a450 



NEW YORK STATE MUSEUM 



Oak, insects injurious to: 

 leaf feeders : 



locust leaf miner, 2,2y^. 



oak caterpillar, yellow striped, 2^^*, 



306^. 

 tussock moth, white marked. 136^. 

 Xylina antennata, 131'''. 

 scale or sucking insects : 

 cicada, dog day, 238'. 

 golden oak scale, 258*, 329*. 

 Putnam's scale. 22y^. 

 Oak, burr, resistance to insect attack, 47®. 

 Oak, English, Putnam's scale injuring, 227^. 

 Oak, pin, Putnam's scale injuring, 227^. 

 Oak, red. resistance to insect attack, 47* ; 



oak bark beetle injuring, 257". 

 Oak, scarlet, resistance to insect attack. 



47^. 

 Oak, white, resistance to insect attack. 47" ; 



brown tail moth injuring, 254^. 

 Oak, yellow, resistance to insect attack, 47*. 

 Oak bark beetle, 257". 



minute, 295*. 

 Oak caterpillar, yellow striped, 258'', 306*- 



10^. 

 Oak twig pruner. see Maple and oak twig 



pruner. 

 ocellata, Anatis. 175-, 195-, 198". 

 oculata, Anatis, 186-. 

 Odontota dorsalis. 258*, 325^-29-. 

 odontotae. Spilochalcis (Smicra), 328^ 

 odontotae. Trichogramma. 328- 

 Ohio buckeye, leopard moth injuring, 78®. 

 Olive, black-banded scale injuring. 201-. 

 olyra, Alagdalis, 256^ 274^-75^. 

 omnivora. Diglochis, 166^. 

 Oncideres cingulatus, 256*, 271--74*. 

 onerati, Entelus, 74^ 

 opaculus. Hylesinus, 257^, 288^. 

 Opheltes glaucopterus, 158*. 

 Ophion, 21*. 

 Orange butterfly, 196^ 



Cirange tree, insects injurious to: 

 borers ; 



apple wood stainer, 290''. 

 maple and oak twig pruner, 61^. 

 powder post beetle, 297*. 

 twig borer. 273®. 

 scale insect : 



Euonymus scale. 21 4-. 

 Orange, Osage, insects injurious to: 

 bag or basket worm, 127^. 

 Putnam's scale. 227''. 

 Orcus australasiae, 22^^. 



chalybeus, 22;^^. 

 orgyiae, Amorphota, 138^. 

 orgyiae, Cratotechus. 138'^. 

 orgyiae, Telenomus, 138". 

 Orioles. 30^. 33^. III^. 237*. 



Baltimore. 27*. 30*, iii", 122^, 137* 

 1 661 

 Orthoptera, 24*. 

 Otacustes periliti, 140^. 

 ovata. Chalcis, 127^, 128, 138^ 

 (tyster scale, 173^, 211^-13^. 



Pachyneuron .?/>., 186^. 



altiscuta. 182*, 203^. 

 Painted hickory borer, 256^, 264^-66®. 

 Painted maple aphid. 172'*, 175^-76^. 

 pallipes, Limneria, 145*. 

 Palm warbler, 26^. 

 Parasites or natural enemies. 20'^-25- ; of: 



bag or basket worm, 127*. 



black-banded scale, 202®-3''. 



black elm snout beetle, 74^. 



brown tail moth. 166-. 



buck moth. 314^. 



chestnut borer, two-lined, 282^ 



Cottonwood leaf beetle, 320'. 



cottony maple scale. 198^-99^. 



elm borers. 70'. 



elm leaf beetle, 153'. 



elm sawfly, 158^. 



