90 



give any good results being bisulphide of carbon, and it is doubtful 

 if this could be applied profitably. ' The pupa is equally difficult to 

 reach. 



Protection with netting. — Choice plants, it is true, could be protected 

 by means of close-mesh netting, which should be applied just before 

 the appearance of the moths in July and retained in place until after 

 the period of ovulation. 



Catting out infested and weak plants. — For the most efficient means 

 of control in the absence of the practicability of submersion, we must 

 have recourse to the heroic treatment which has already been recom- 

 mended by Piper and Doane, and which consists in watching the plants 

 closely for evidences of injury in the early spring, and then digging 

 out and destroying by burning all infested or weakened plants that 

 might serve as a breeding place for the species. After the plants 

 have served their usefulness, they should be plowed under. It would 

 be well to look carefully over all wild or volunteer growth of all of 

 the known food plants of this species, and to pursue the same methods 

 with these, destroying all useless plants. 



THE BLACK GOOSEBERRY BORER. 



{Xylocrius agassizii Lee.) 



December 27, 1898, Dr. James Fletcher, entomologist and botanist 

 of the Dominion of Canada, wrote that a Longicorn beetle, Xylocrius 



Fig. 21.— Xylocrius agassizii: a, beetle; b, larva, lateral view; c, same, dorsal view; d, larval antenna: 

 e, pupa — a, I, c, e, three times natural size; d, more enlarged (author's illustration.) 



agassizii Lee. , had recently been reared from a larva imported from 

 Oregon into British Columbia, and found boring the stems of goose- 

 berry. Injury by the species was detected by some of the stems break- 

 ing when being handled. All of the consignees of this particular stock 

 were visited, and Dr. Fletcher believes that the bushes were inspected 

 before the beetles could have emerged. 



From specimens furnished by Mr. E. A. Carew-Gibson, Victoria, 

 British Columbia, the accompanying figure 21 was made by this Divi- 



