728 General Index. 



Cabbage-root maggot — {Continued). Bulletin. Page. 



Claesification of '^^ 493 



Popular name '78 494 



Scientific name ''S 493 



Comparison of the pest -wdth other root maggots or Antho- 



myiians ''8 494 



Distribution and past history of '^^ 482 



Food -plants of 78 484 



Indications of the presence of * ''8 488 



Insects' appearance "78 490 



Adult insect 78 493 



Larva or maggot 78 490 



Puparium 78 491 



Life history of the pest 78 505 



Habits of flies in summer 78 510 



Habits of the first brood of maggots 78 508 



Hibernation. ... ., 78 515 



Its first appearance and habits in the spring 78 505 



Number of broods and habits of the later broods. . . 78 511 



Oviposition 78 506 



Pupation 78 509 



Methods of preventing the ravages of 78 520 



Application on or about the plants 78 550 



Carbolic acid, diluted 78 553 



Carbolic acid emulsion 78 553 



Carbolic acid and plaster 78 553 



Coal dust or sulphur 78 550 



Powdert d tobacco and tobacco decoction 78 550 



By application to the roots before setting 78 548 



Oil or lye 78 549 



Paris green and insect powder 78 549 



Puddle of earth and cow dung or night soil 78 548 



Pyrethrum 78 549 



Soap and quassia, or carbolic acid and soap 78 550 



Soot, and lime and soot 78 548 



Sulphur... 78 550 



By ordinary farm methods 78 544 



Barn manure 78 546 



Commercial fertilizers 78 546 



Lime 78 545 



Rotation of crops 78 547 



Salt 78 546 



Selection of soil 78 544 



Trap crops 78 544 



Time of planting 78 544 



By the use of insecticidal substances 78 529 



Boiling water 78 559 



Carbolic acid 78 529 



Carbon bisulphide 78 531 



