788 



INDEX. 



Quercus lawellosa, Diapus capillaiiis 

 in, in India, 188. 



Quercus myrinacfolia, new Aphid 

 on, in Japan, 41. 



Quercus pednnculata, Phyllorycter 

 quercifoliella on, in Germany, 109. 



Quercus prinus, Myzocallis discolor 

 on, in New York, 284. 



Quercus puniila, new thrips on, in 

 Florida, 52. 



Quercus robur, Sienolcchia gemiiiella 

 on, in Switzerland, 136. 



Quercus semecarpifolia, Diapus acu- 

 leatiis in, in India, 188. 



Quercus wislizeni (Interior Live 

 Oak), Agrilus angelicus on, in 

 California, 29. 



quercus, Eriococcus ; Lasiocampa. 



quercuspuniilae, Hoplandrothrips. 



Quince [Cydonia), not attacked by 

 Argyroploce leucotreta in South 

 Africa, 442 ; legislation restrict- 

 ing importation of, into Australia, 

 244 ; mealy-bug on, in Egypt, 

 317 ; pests of, in U.S.A., 5, 30. 



Quince, Japanese (see Pyrus 

 japonica). 



quindecimpunctata, Anaiis. 



quinqueniaculata, Protoparce {Phlege- 

 thontius). 



R. 



Rachela brjiceaia (Bruce's Measuring 



Worm), infesting fruit in British 



Columbia, 542. 

 Rachidospermuni niexicanum, new 



Coccid on, in Lower California, 



229. 

 radicicola, Heterodera. 

 radicum, Ernestia. 

 radiohts, Apian. 

 Radish, Atta on, in Brazil, 610 ; 



Phorbia brassicae on, in Canada, 



83, 128, 372 ; pests of, in France, 



527 ; Plutella niactdipennis on, in 



India, 273 ; pests of, in Russia. 



327, 552. 

 Radish, ^^"ild, insects on, in Russia, 



348, 556. 

 Ragweed (see Ambrosia arteinisii- 



folia). 

 Railroad \\'orm (see Rhagoletis 



pomonella). 

 Raisins, Trigonogenius globulum 



breeding in, 558. 

 rarnakrishnai, Orthacris. 

 raniicornis, Eiilophus. 

 ramosus, Oxyopes. 



Ranunculus, Meligethes aeneus on, in 

 Russia, 328. 



rapae, Ceiithorrhynchus ; Pieris 

 (Poniia) ; Teirastichus. 



rapax, Aspidiotus. 



Rape {Brassica rapa), pests of, in 

 Assam, 538 ; Contarinia nasturtii 

 causing curly-leaf disease of, in 

 Britain, 194 ; pests of, in Den- 

 mark, 193, 194, 363 ; pests of, 

 in Germany, 63, 64, 94, 279, 

 547-550, 605 ; pests of, in Kenya 

 Colony, 395 ; not injured by 

 Euxoa segetum in Mecklenburg in 

 1918-19, 110; Pemphigus populi- 

 transversus migrating to, in New 

 Zealand, 43 ; pests of, in Russia, 

 327, 328 ; wheat severely attacked 

 by Leptohylonyia coarctata when 

 grown after, 321. 



Rape Beetle (see Meligethes aeneus). 



Raphanus, pests of, in Russia, 

 348. 



Raphanus raphanistruni, Brevicoryne 

 brassicae on, in Russia, 347. 



Raphimetopus, on rice and sugar- 

 cane in India, 70. 



Raphitelus maculatus, parasite of 

 Scaly tus spp. in France, 402. 



rapidus, Adelphocaris. 



rapa, Teirastichus. 



raratongensis, Dacus (see D. 

 melanotus) . 



Raspberrv', pests of, in British Isles, 

 152, 221, 528 ; Heterodera radici- 

 cola intercepted on roots of, in 

 California, 514 ; pests of, in 

 Canada, 131, 583 ; pests of, in 

 Denmark, 194, 363 ; Byturus 

 tomentasus on, in Russia, 348 ; 

 pests of, in U.S.A., 31, 167, 168, 

 237, 238, 240, 288, 312, 373. 

 482, 570. 



Raspberry Cane Borer (see Oberea 

 bimaculata). 



Raspberry Gall Fly (see Lasioptera 

 riibi). 



Raspberry Sawlly (see Monophadnus 

 rubi). 



Raspberry Shoot ]\Ioth (see Incur- 

 varia rubiclla). 



ratzeburgi, Scolytus. 



rava, Diacrisia. 



ravida, Agrotis. 



rectangulus. Platypus. 



rectirostris, Anthonomus. 



Recurvaria ceanothiella, sp. n., on 

 Ceanothiis divaricatus in Cali- 

 fornia, 162. 



Recurvaria milleri (Lodge-pole Pine 

 Needle -miner), parasitised by 

 Apanteles californicus in North 



