298 



NEW YORK STATE MUSEUM 



Oak apples {continued) 3 



large, 95, 97 



Palmer's, 96, 117 



small, 100, 102 



small pointed, 98, loi 



spiny, 96 

 Oak blister gall, 82 

 Oak blister midge, 86 

 Oak blister wasp gall, 83, 86 

 Oak bud gall, hard, 73, 75 



soft, 75, 83 

 Oak bullet galls, 63, 64, 65, 66, 67 

 Oak button gall, 87, 107 

 Oak capsule gall, 114, 115 

 Oak fig gall, 71, 72, 79, 85 

 Oak fig root gall, 54, 69 

 Oak flake gall, 88, no, in, 112, 116 

 Oak flower gall, 116 

 Oak flower stem gall, 52, 116 

 Oak gall, bell-shaped, 85 



deciduous, 81 



five-chambered, 80 



gouty, 58, 59 



hairy, 93, 94 



horned, 60 



huckleberry, 80 



jewel, 93, 94 



leafy, 74 



lobed, 71 



marbled, 66 



mealy, 63, 68 



noxious, 84 



polished, 102 



spiny, 93, 94 



studded, 65, 68 



succulent, 88, 89, 90 



threaded, 73, 74 



translucent, 91, 92 

 Oak hedgehog gall, 93, 94 

 Oak honeycomb leaf gall, 90 

 Oak jumping bullet gall, 106, 1 1 1 

 Oak leaf gall, clubbed, 105, 106 

 Oak leaf -lobe blister gall, 107 

 Oak leaf seed gall, no 

 Oak leaf stalk gall, 77, 79 

 Oak midrib gall, 81 

 Oak nipple gall, 88 

 Oak onion gall, 66 

 Oak pea gall, 93, 94 

 Oak pill gall, 90 



Oak potato gall, 55, 56, 58 

 Oak rosette gall, 74, 75 

 Oak spangles, 107, 108 

 Oak spindle gall, 97, 115 



small, 115 

 Oak spined turban gall, 106 

 Oak tubed gall, spined, 109 

 Oak twig midge, 56, 59 

 Oak vein blister, 84, 86 

 Oak vein gall, purple, 82 

 Oak vein-pocket gall, 82 

 Oak wart gall, 88 . 

 Oak wood gall, 112 

 Oak, yellow sea urchin, 93, 94 

 Oak yellow-spot, 86 

 Oakesia, 27 

 Oat, 25 



Oat grass midge, 25 

 Oberea bimaculata, 140, 142 

 obliqua, Saperda. 51 

 Obolodiplosis robiniae, 155 

 obtusilobae, Andricus, 119 



Neuroterus, 75, 87 

 occidentalis, Cephus, 22, 24, 26, 27 



Diarthronomyia, 208, 210, 212 

 ocellaris, Cecidomyia, 9, 161 

 octomaculella, Gnorimoschema, 202 

 Odontocynips nebulosa, 54 

 Oedaspis atra, 193, 198 



polita, 193 

 Oleaceae, 178 

 Oleaster family, 1 73 

 oleivorus, Phyllocoptes, 157 

 Oligarces ulmi, 120 

 Oligotrophus betheli, 20 



betulae, 49 



inquilinuS; 192 



salicifolius, 3r, 33 

 Olive family, 178 



omnivora, Disholcaspis, 63, 64, 66 

 Onagraceae, 173 

 Onodiplosis sarcobati, 126 

 operator, Andricus, 118 



Callirhytis, 72 

 Opuntia, 173 

 opuntiae, Asphondylia, 173 



Itonida, 172, 173 

 Orange, 157 

 orbitalis, Dasyneura, 31 



Euura, 37 



