784 



INDEX. 



of, 193; bionomics of, 611; 

 measures against, 163, 198, 229, 

 433, 600. 



Phorbia cepetorum (see Hylemyia 

 antiqiia) . 



Phorbia {Hylemyia) cilicrura {fusci- 

 ceps) (Seed Corn Maggot), in 

 Ontario, 419; food-plants of, in 

 U.S.A., 47, 331, 332, 530 ; larva 

 of, 193 ; factors favouring in- 

 crease of, 332. 



Phorbia fusciceps (see P. cilicrura). 



Phorbia trichodactyla, on lupin in 

 Germany, 260 ; in seed potatoes 

 in Maine, 193 ; larva of, 193. 



Phormium tetiax, pests of, in New 

 Zealand, 123. 



Phorodon humuli (Hop Aphis), 

 Coccinellids predacious on, in 

 British Isles, 320 ; on plum in 

 Denmark, 62 ; on hemp in Ger- 

 many, 18. 



Phosphoric Acid, effect of, on 

 immunity of tea from insect 

 attacks, 153, 524, 547. 



Phragmatiphila trmicata (Large Cane 

 Moth Borer), in Queensland, 164, 

 195, 232 ; natural enemies of, 

 164, 232. 



Phratora vitellinae {see Phyllodecta). 



Phryxe vulgaris, parasite of Euxoa 

 segetum in Czecho-Slovakia, 411. 



Phihoriinaea heliopa, probably on 

 tobacco in Fiji, 593 ; on tobacco in 

 India, 593 ; on tobacco in Dutch 

 East Indies, 108, 109, 376, 463. 



Phihoriinaea ocellatella (Beet Moth), 

 in France and Germany, 257. 



Phthorimaea operculella (Potato 

 Tuber Moth), in South Africa, 

 549 ; new parasite of, in North 

 America, 551 ; on potatoes and 

 tomatos in Western Australia, 

 629, 630 ; in imported products 

 in British Columbia, 126 ; in 

 CaHfornia, 314 ; an imported 

 pest in Belgian Congo, 277 ; in 

 Cyprus, 22, 439 ; in France, 52, 

 86, 119, 271, 365, 393 ; in Mysore, 

 360 ; imported into Tunis from 

 Malta with potatoes, 230 ; inter- 

 cepted in potatoes in U.S.A., 71, 

 90 ; biological control of, 52, 86, 

 271,365,393,630 ; other measures 

 against, 52, 629. 



phthorimaeae , Microgaster. 



Phthorophloeus dentifrons, sp. n., in 

 Celtis mississippiensis in Missis- 

 sippi, 362. 



Phthorophloeus mississippiensis, sp. 

 n., in Prunus angustifolia in 

 Mississippi, 362. 



Phycita clientella, on egg-plants in 

 Travancore, 85. 



Phycita poteriella, on castor-oil plants 

 in Russia, 38. 



Phyllanthus, probabl}'^ a food-plant 

 of Gractlaria theivora in Java, 282. 



Phyllaphis fagi, Syrpliids predacious 

 on, in British Isles, 185. 



Phyllaphoides bambusicola, sp. n., on 

 Bambiisa in Formosa, 409. 



Phyllobius, attacking strawberries 

 in Britain, 11. 



Phyllobius argenteus, in orchards in 

 France, 266. 



Phyllobius oblongus (Oblong Leaf 

 Weevil), measures against, on 

 strawberry in British Isles, 294 ; 

 in orchards in France, 266. 



Phyllobius pyri, in orchards in 

 France, 266. 



Phyllochoreia, on Xylia and Ter- 

 ■minalia in India, 152. 



Phyllocnistis citrella (Orange Leaf- 

 miner), on Citrus in India, 85, 

 525 ; food-plants of, in Philip- 

 pines, 276. 



Phyllocoptcs, on apple in British 

 Isles, 367 ; notice of new species 

 of, in Java, 273. 



Phyllocoptcs quadripes, on maple in 

 New York, 249. 



Phyllocoptcs schlechtendali, on apple 

 in Central Europe, 367 ; possibly 

 occurring in Britain, 367. 



Phyllocoptes vitis, in vineyards in 

 Czecho-Slovakia, 486. 



Phyllodecta vitellinae, in willows in 

 Luxemburg, 318. 



Phyllodecta vulgatissima, in willow 

 in Czecho-Slovakia, 487 ; in willow 

 in Luxemburg, 318. 



Phyllognathus silenus, on date palms 

 in Algeria, 288. 



Phyllopertha horticola, in Denmark, 

 62. 



Phyllophaga (see Lachnosterna) . 



phyllostachitis, Harmolita. 



Phyllostachys bambusoides, Harmolita 

 phyllostachitis on, in Florida, 238. 

 .Phyllotreta atra, bionomics and con- 

 trol of, in Germany, 254, 569 ; 

 winter measures against, in 

 orchards in Switzerland, 281. 



Phyllotreta nemorum (Turnip Flea- 

 beetle), on vegetables in Bess- 

 arabia, 209 ; on vegetables in 

 British Isles, 367 ; on cabbage in 

 Czecho-Slovakia, 487 ; on cabbage 

 in Denmark, 61 ; measures against, 

 on rape etc. in Germany, 254, 

 293. 



