INDEX. 



699 



PhyllobtHs virkUcollis, on roses in 



Sweden, 148. 

 Phyllocnistis smilacisella (see Mar- 

 mara). 

 Phyllocnistis sujfusella, on oaks in 



Xorway, 284. 

 Phyllocoptes schlectendali (Silver- 

 leaf Mite), on peaches in Canada, 

 84. 

 Phyllocoptes vUis, on vines in 



Switzerland, 367. 

 Phyllodecta intellinae, bionomics of, 

 on willows in Britain, 41 ; in 

 forests in Norway, 284 ; on 

 basket willows in Sweden, 147. 

 Phyllodecta vulgaUsshna (Willow 

 Beetle), bionomics of, in willows 

 in Britain, 41 ; in Switzerland, 

 368. 

 Phyllodromia germanica, experi- 

 ments with insecticides against, 

 531. 

 Phylloperlha horticola, on beans and 

 peas in Britain, 509 ; food-plants 

 and control of, in Holland, 498, 

 499 ; on fruit-trees in Xorwav and 

 Sweden, 147, 285, 286. 

 Phyllophaga (see Lachnosterna). 

 phyllo}mft, Leptoglossus. 

 Phyllorycter messaniella, on oak in 



Britain, 159. 

 Phylloscelis aira (Cranberrv Toad 



Bng), in U.S.A., 563. 

 Phyllosta<-hys makinoi, pests of, in 



Formosa, 402. 

 Phyllostachys initis, pests of, in 



Formosa, 402. 

 PhyUotreta, on cotton in Nyasaland, 



69. 

 PhyUotreta nemorum,, bionomics of, 

 on turnips in Britain, 246, 382, 

 432, 509 ; in Sweden, 147. 

 PhyUotreta nigripes, on cabbage in 



Sweden, 147. 

 PhyUotreta sinuata, a minor pest of 



mulberry in Formosa, 175. 

 PhyUotreta undulata, bionomics of, 

 on turnips in Britain, 246, 382, 

 432 ; on cabbage in Switzerland, 

 368. 

 PhyUotreta vittata (Turnip Flea- 

 beetle), on cabbages in Quebec, 

 60; measures against on radishes 

 etc. in U.S.A., 373, 388. 

 PhyUotreta vitlida, on turnips in 

 Britain, 432 ; on wheat in Swe- 

 den, 147. 

 Phylloxera, on vines in N. Africa, 

 38 ; food-plants and natural 

 enemies of, in Britain, 119; 

 measures against, in vineyards 

 in Italy, 478 ; races of, infesting 

 vines in Italy, 56 ; legislation 

 against, in Italy, 136 ; resistance 

 of vines to, in Spain, 56 ; injec- 



tion of carbon bisulphide against, 

 in U.S.A., 13; on vines in New 

 Zealand, 95 ; strength of hydro- 

 cyanic-acid gas required to kill, 



83. 

 Phylloxera caryaecaulis (Hickory 

 Phylloxera), on pecan in U.S.A., 



227. 

 Phylloxera vitifoUae (Grape Phyl- 

 loxera), on vines in U.S.A., 213. 

 Phymatodes aeneus, on Pseudotsuga 



taxifolia in California, 363. 

 Phymatodes decussatus, on white 



valley oak in California, 363. 

 Phymatodes dimidiatus, on Pseudo- 

 tsuga taxifolia in California, 363. 

 Phymatodes nitidus, on conifers in 



California, 363. 

 Phymatodes obscurus, on Quercus in 



California, 363. 

 Phymatodes varius, on conifers in 



California, 363, 

 Physalis, Phthia picta on, in St. 



Vincent, 251. 

 Physalis angidata, food-plant of 



Heliothis obsoleta in Sumatra, 



271. 

 Physalis viscosa (Groimd Cherry), 



food-plant of Heliothis virescens 



in U.S.A., 214. 

 Physokermes abietis, on spruce in 



Britain, 59. 

 Physokermes coryli, on hazel and 



plum in Sweden, 146. 

 Physopus robiistus (see Kakothrips 



pisivora). 

 Physopus rtibrocinctus (see Helio- 



thrips). 

 Physothrips, suggested placing of 



Taeniothrips inconsequens in 



genus, 65. 

 Physothrips funtumiae (Rubber 



Thrips), in Uganda and Nigeria, 



332. 

 Physothrips kellyamis, in Australia, 



332. 

 Physothrips lefroyi, on tea in India, 



269, 332. 

 Physothrips marshaUi, sp. u., in 



the Gold Coast, 332. 

 Physothrips peculiaris, sp. n., on 



lucerne in India, 269. 

 Physothrips setiventris, sp. n., on 



tea in India, 186, 332, 474. 

 Physothrips veniralis, sp. n., in 



Nigeria, 297. 

 Phytalus georgianus, a minor pest 



of cranberries in U.S.A., 564. 

 Phytalus insularis, experimentally 



infested with Metarrhizium aniso- 



pliae in Porto Rico, 378. 

 Phytalus smithi (Brown Hardback), 



measures against, in Barbados, 



58, 393 ; bionomics and control 



of, in Mauritius, 141, 378. 



