INDEX. 



6G9 



Pseudococcus marc.hali (see P. vir- 

 gains). 



Pseudococcus neomexicanus, Lasius 

 associated with, in U.S.A., 290. 



Pseudococcus neomexicanus var. uta- 

 hensis, on FAynius in U.S.A., 290. 



Pseudococcus nipae, on Phoenix in 

 Barbados, 257 ; on potatoes in 

 Bengal, 305 ; intercepted in 

 California, 177, 276 ; on coco- 

 nuts in Trinidad, 94. 



Pseudococcus panclani, on coconuts 

 in Fiji, 91. 



Pseudococcus perniciosus (see P. fda- 

 mentosus). 



Pseudococcus j?j?w, destroyed by 

 Scyinnus coniferarum in Cali- 

 fornia, 36. 



PseudococcUiS pseudonipae, on coco- 

 nut in Barbados, 257 ; food- 

 lilants of, in New Jersey, 204. 



Pseudococcus ri/ani, on citrus in 

 California, 269 ; destroyed by 

 Ryperaspis latercdis, 36. 



PseudococcuiS sacchari (Sugar-cane 

 Mealy Bug), on sugar-cane in 

 Barbados, 10, 257 ; parasite of, 

 introduced into Hawaii, 276 ; 

 controlled by Scyrnnus pictus in 

 Trinidad, 30. 



Pseudococcus solani, on tomatoes, 

 in California, 36. 



Pseudococcus ialini (see P. virgatus). 



Pseudococcus tiniherlakei, sp. n., on 

 grasses in U.S.A., 290. 



Pseudococcus virgatus, in Barbados, 

 257 ; not destroyed by predaceous 

 Coceinellids in Java, 88 ; food- 

 plants of, in the Philippines, 

 367 ; intercepted on orchids from 

 Singapore, 52 ; on cotton and 

 Clitoria in Zanzibar, 127; on 

 Uevea brasiliensis, 389 ; synon- 

 yms of, 322. 



Pseudococcus vitis, control of, on 

 vines in Argentina, 18, 314; in 

 Chile, 466 ; on vines in Europe, 

 375, 492. 



Pseudoeucoila gillettei, parasite of 

 ChoHophila brassicae inU.S.A.,464. 



pseudohesperidum. Coccus. 



Pseudomelecta calif ornica, on sun- 

 flowers in California, 247. 



Pseudompliale ancylae, sp. n., para- 

 site of Ancylis nubeculana in 

 North America, 280. 



Pseudompliale graciliventris, sp. n., 

 in Trinidad, 280. 



Pseudompliale steirastomae, sp. n., 

 parasite of Stirastoma depressum 

 in Trinidad, 280. 



pseudonipae, Psetidocoecus. 



pseudonivea, Chionasjjis. 



Pseudoparlatoria parlaiorioides, on 

 guavas in Ceylon, 13. 



Pseudopeziza medicaginis, causing 

 leaf-sj)ot disease of lucerne in 

 U.S.A., 337. 



Pseudotlirips spadix, sp. n., in 

 U.S.A., 362. 



Pseudots'uga, Platypus u'ilsoni on, in 

 Br. Columbia, 247. 



Pseudotsuga iaxifolia (mucronata) 

 (Douglas Fir), bionomics of 

 Chermes cooleyi on, in Br. 

 Columbia, 523, 531 ; pests of, in 

 U.S.A., 36, 264, 366, 528. 



pseudots'ugae, Dendroctonus. 



psidii, Lecanium ; Ptdvinaria. 



Psidium guayava (see Guava). 



Psila rosae (Carrot Rust Fly), on 

 carrots, etc., in Canada and 

 U.S.A., 118, 272, 485, 516 ; food- 

 plants of, in Norway, 502. 



Psiloplirys pulcliripennis, 280. 



Psilura monaclia (see Lymantria). 



pskovica, Anoecia. 



Psocus taprobanes, on tea in India, 

 479. 



Psyche helix (see Apterona crenu- 

 lella). 



Psylla, intercepted on pot-plants in 

 California, 131 ; on nursery 

 stock in Nyasaland, 9 ; control of, 

 in Russia, 55, 168, 500; extract 

 of Claviceps purpurea against, 

 58 ; dusting powders useless 

 against, 181. 



Psylla alni, on alder in Britain, 39. 



Psylla buxi, on box in Britain, 39 ; 

 on box in U.S.A., 246; carboli- 

 neum against, 154. 



Psylla costalis, food-plants of, in 

 Britain, 39. 



Psylla forsteri, food-plants of, in 

 i3ritain, 39. 



Psylla hartigi, on birch in Britain, 

 39. 



Psylla mail, on crab-apple in 

 Britain, 39 ; and its control on 

 apples in Norway, 502 ; bio- 

 nomics and control of, in Russia, 

 21, 22, 56, 138, 163, 169, 218, 330, 

 331, 494, 495, 501. 



Psylla melanoneura, food-plants of, 

 in Britain, 39. 



Psylla j^eregrina, on hawthorn in 

 Britain, 39. 



Psylla pineti, on conifers in Britain, 

 39. 



Psyllapyri (Pear Psylla), in orchards 

 in Russia, 56 ; sprays for, in 

 U.S.A., 275. 



Psylla 2^in'i<^ola (Pear Psylla), on 

 mountain ash in Britain, 39 ; in 

 Canada, 120, 517; bionomics 

 and control of, in Russia and 

 Tmkestan, 211, 215, 330, 501; 

 bionomics and control of, in 

 U.S.A., 14, 74, 409, 446. 



