704 



INDEX. 



Y. 



Yams (Dioscorea olata), Aspidiotus 

 hartii on, in Fiji, 92 ; Aspidiohis 

 destructor on, in the Philippines, 

 366 ; pests of, in West Indies, 43, 

 256, 422; (Stored) Acrolepia 

 manganeutis on, in India, 439. 



Yellow Cotton Bug (see Tectocoris 

 lineola). 



Yellow Cmrant and Gooseberry 

 Fruit fly (see Epochra canadensis). 



Yellow-flowered Ground Cherry, 

 food -plant of Trichobaris trino- 

 tata, in Arizona, 319. 



Yellow-flowered Cinquefoil (see Po- 

 tentilla signatus). 



Yellow Mealy Bug (see Fseudococcus 

 nipae). 



YelloAV-necked Apple-tree Cater- 

 l>illar (see Datana ministra). 



Yellow Pine (see Pinus ponderosa). 



Yew (see Taxus). 



ynca, Anierrhinus. 



ypsilon, Agrotis. 



Yucca, Chrysomphalus biformis on, 

 in Barbados, 257. 



z. 



Zabrus blaptoides, on wheat in 

 Russia, 103. 



Zabrus tenebrioides, on wheat in 

 Russia, 103. 



zachrysa, Gracilaria. 



Zagrammosoina nudtilineatum, para- 

 site of Phytomyza aquilegiae in 

 U.S.A., 450. 



Zalophothrix mirum, parasite of 

 Saissetia oleae in California, 112. 



samiae, Diaspis (Aulacaspis). 



Zanzibar, Coccids in, 127; com- 

 pulsory fumigation in Egypt of 

 plants imported from, 231. 



Zaomnioencyrtus submicans, sp. n., 

 parasite of Nyctobates pennsylva- 

 nica in N. America, 269. 



Zapallo, Diaphania hyalinata on, in 

 Argentina, 467. 



Zaraca declinata, Acrocercops on, in 

 Java, 88. 



Zea mays (see Maize). 



zeae-maidis, Tetraneura (see T. ulmi) 



zeacolella, Diatraea. 



Zebra Caterpillar (see Ceramica 

 picta). 



zebra, Prosopocoelus. 



zeellus, Crambus. 



Zelleria oleastrella, bionomics of, in 

 Italy, 206. 



Zephyranthes, Xylomyges sunia on, 

 in Barbados, 257. 



Zeuzera aesvuli (see Z. pyrina). 



Zeuzera coffeae (Red Borer), on tea 

 in Ceylon, 479 ; control of, on 

 coffee in India, 509 ; on Bauhinia 

 Candida in Straits Settlements, 

 472. 



Zeuzera pyrina (Leopard Moth), de- 

 stroyed by woodpeckers in Brit- 

 ain, 24 ; on willow in France, 424 ; 

 on apples, etc., in Italy, 202; in 

 Russia. 330 ; bionomics and con- 

 trol of, in U.S.A., 273, 281. 



zeuzerae, Schreineria. 



zimniermanni, Pinipestis. 



Zinc Arsenite, formula for, against 

 Polychrosis botrana, 300 ; and 

 Bordeaux mixture against Lepti- 

 notarsa decemlineata, 419 ; ad- 

 vantages of, against tobacco pests 

 in Java, 40. 



Zinc Chloride, against Leucotermes 

 spp., 182. 



Zinc Oxide, against locusts, 162. 



zinckenella, Etiella. 



Zinckenia fascicdis, visiting sun- 

 flowers in S. Africa, 247. 



Zinckenia nitidalis, on cucumbers 

 and melons in Brazil, 221. 



ziziphus, Parlatoria. 



Zizyphus jujuba, Garpomyia vesu- 

 viana reared from, in India, 227, 

 514. 



Zizyphus mucronatus, Argyroploce 

 leucotreta on, in Rhodesia, 278. 



Zonabris (see Mylahris). 



zonatus, Dacus (Bactrocera). 



Zonocerus elegans, on Hevea brasi- 

 liensis in the Belgian Congo, 388. 



Zonocerus variegalus, on Hevea brasi- 

 liensis in the Belgian Congo, 388. 



Zophodia convolutella, on raspberries 

 in Norway, 503 ; bionomics of, in 

 Russia, 326. 



zwickii, Anisoplia. 



Zygaena transsylvanica, parasitised 

 by Chalcis intermedia in Italy, 306. 



Zygaena filipendxdae, parasitised by 

 Chalcis intermedia in Italy, 306. 



Zygobothria bimaculata{see Sturmia). 



