MONTANA EXPERIMENT STATION. 257 



in color, but usually marked with yellow, black and brown. Flies 

 when disturbed. Must injurious in the spring of the year when they 

 attack tender shoots and opening- buds. Most commonly known in 

 Montana as an enemy to blossoms and young fruit or strawberry 

 and to young trees in tlie nursery row. 



Remedy. — It is not always easy to control this insect. When 

 found on young fruit trees, jar them off in the cool of the day into 

 some receptacle which contains kerosene oil. 



33, Strawberry Root Weevil.* 



Small hard beetles with an elongated snout which feed on the 

 foliage of strawbenies in the early summer The larvae feed on the 

 roots and are very injurious. 



Remedy. — Dela}- the planting of the new crop until the beetles 

 have deposited their eggs. Keep the foliage coated with arsenate 

 of lead in the early part of the sufnmer. 



34, Strawberry Crown Borer. 



Small yellowish white grubs boring in the crown of plants dur- 

 ing the summer. .A. species which though not yet recognized in Mon- 

 tana is liable to be introduced at any time on imported plants. 



Remedy. — In a field that is known to be infested do not allow 

 the plants to become very old but start a new bed at some distance 

 from the old one ; burn over the patch as for the strawberry leaf- 

 roller. 



IN5ECT5 INJURIOUS TO CURRANT5 AND GOOSEBERRIES. 



35, Native Currant Saw-fly. 



Pale-green larvae which appear in the latter part of June or 

 early in July and very rapidly devour the foliage of gooseberry and 

 current bushes. The second brood appears about three weeks later. 

 Shows preference for gooseberry. 



Remedy. — Dust the bushes with powdered hellebore or spray 

 at the rate of one pound to a gallon of water. Be prompt in the 

 treatment and do not allow them to defoliate the bushes. 



36, Currant Flies. 



Maggots feeding the fruit of the currant, causing here and there 



*OtioHiynchus ovatus Linn. 



