706 



INDEX. 



oleracea, Ealtica ; Polia (Mames- 

 tra) ; Tipula. 



oleraceana, Tortrix (see T. wahlbo- 

 miana vigaureana). 



Olethreutes achatana, on friiit trees 

 in the Crimea, 157. 



Olethreutes consanguinana (Larger 

 Bud-motli), in orchards in Canada 

 332, 344. 



Olethreiites variegana (see Argyro- 

 2)loce). 



Oligosita oo-phagus, sp. n., parasite 

 of leaf-hopper on sugar-cane in 

 Trinidad, 10. 



Oligotropus alopecuri (Meadow-fox- 

 tail Midge), bionomics of, on fox- 

 tail grass in New Zealand, 165. 



olivacea, Eublemmo. 



Olive, Dacus oleae on, in India, 125; 

 pests of, in Italy, 180, 373 ; 

 control of pests of, in Spain, 138, 

 248. 



Olive, Wild, Dactis oleae on, in 

 India, 316. 



Olive Scale (see Saissetia oleae). 



oil viae, Hemileuca. 



OmDiatius fulvidus, predaceous on 

 Sehoenobius incerteUus in the Far 

 East, 575. 



omnivorus, Oecetieus. 



Omoteninus tniniatocrinitus, on coco- 

 nuts in the Dutch East Indies, 

 418. 



Omplialomyia thymus, sp. n., secon- 

 dary parasite of Zaratha in Java, 

 130. 



Oncideres cingulata. (Hickory or 

 Pecan Twig Girdler). bionomics 

 and control of, in U.S.A., 73, 

 385. 



Onions, pests of, in Britain, 518 ; 

 pests of, in Canada, 331, 547, 548, 

 549 ; control of pests of, in 

 Ceylon, 235 ; Emnerus strlgattis 

 on, in Holland, 234 ; pests of, in 

 the West Indies, 109, 330, 394 ; 

 pests of, in Italy, 180 ; Bara.thra 

 brassicae on, in Eussia, 152 ; 

 pests of, in U.S.A., 13, 179, 186, 

 307, 493, 530. 



Onion Maggot (see Hylemyia anti- 

 qiia). 



Onion Thrips (see TJirips tabaci). 



Oniscus, carbon bisulphide against, 

 in Colombia, 82. 



onopordinis, Tephritis (see Acidia 

 heraclei). 



Ontario, control of ants in, 69 ; 

 miscellaneous pests of. 142, 164, 

 264, 332, 333, 526 ; control of 

 orchard pests in, 35, 50, 69, 163, 

 550. 



onusta, Maeronoctua. 



Onychocnemis careyae, gen. et sp. 

 n.', on Careya in India, 163. 



Ooctonus quadricarinaius, sp n. 



parasite of Pityogenes Jiopkinsi 



in New York, 10. 

 Ooencyrtus eUsiocampae, parasite 



of Malacosoma americaimvi in 



U.S.A., 38. 

 Ooencyrtns pyrillae, parasite of 



Pyrilla aberrans in India, 557. 

 oophagus, Oligosita ; Tumidiscapus. 

 OophiJiora semblidis (see Tricho- 



gramma). 

 Ootetrastich'us, introduced into 



Hawaii against corn leaf -hoppers, 



363. 

 Ootetrastichus beatns, parasite of 



DraeculacepJiala mollipes in 



Hawaii, 9. 

 opaca, Eicanoptera-; SilpJia. 

 opaciis, Hylastes. 

 Opatrum depressuni on tobacco in 



Dutch E. Indies, 443. 

 operculella, Phthorimaea (Gelecliia). 

 Ophion luteus, parasite of Euxoa 



segetum, and Feltia exclamation is 



in Russia, 27. 

 Ophionectria co<?cico?rt (White-headed 



Fungus), infesting scale-insects 



in tiie West Indies, 392. 

 opMopsis, Raphidio. 

 Ophonus calceatus in Russia, 29. 

 Opilo domesticus, predaceous on 



Anobiids in Europe, 281. 

 Opilo mollis, i)redaceous on Ano- 

 biids in Europe, 281. 

 opinator, Syrphus. 

 Ojnus aridis, parasite of Cerodonta 



dorsalis in U.S.A., 140. 

 Opius concolor, 159 ; parasite of 



Dacus oleae in Tunisia, 51. 

 Opius dacicida, 159. 

 Opius dimidiaUts, parasite of Cero- 

 donta dorsalis in U.S.A., 140. 

 Opius fletcheri (Mel on -fly Parasite), 



establishment of, in Hawaii, 2, 



71, 72, 148, 179, 246, 295, 363, 



535, 580. 

 Opius humilis, establishment of, in 



Hawaii, 15, 180, 295, 363, 535 ; 



I)arasite of Cemtitis capitaia in 



Tunis, 280. 

 Opius otiosus, sp. n., parasite of 



Agromyza parvicornis in Texas, 



405. 

 Opius pegomyiae, sp. n., parasite of 



Pegomyia vicina in California, 



404. 

 Opius poneropliagus, sp. n., parasite 



of Dacus oleae asiatica in India, 



159. 

 Opomyza florum, bionomics of, on 



cereals in Russia, 300. 

 opposittis, Leptoglossus. 

 Opsiphanes cassiae, a minor pest of 



coconuts in Br. Ouiana, 169. 

 ojitobilis, Paranagms. 



