BUGS. 249 



and bine with groat dexterity, and fall readily to the ground 

 when the bine is shaken. They suck the sap from the bine 

 generally at the top, and cause such loss of sap that the upward 

 growth ceases, and numerous low laterals are sent out. When 

 they become winged about July they seem to leave the hops, 

 but many deposit their ova upon them. 



Prevention and remedies. — Early washing when the bugs are 

 in the wingless state and jarring over tarred boards held on 

 each side beneath the bine, together with the destruction of 

 bine after a bad attack, will considerably check their increase. 

 We never see this or Frog-fly attack in gardens where string and 

 wire have superseded poles. The more soap in washes for these 

 hardy bugs the better — even when twelve or more pounds are 

 used to the hundred gallons many escape ; any wash is useless 

 for the winded adults. 



The Hop Frog-fly (Euacanthus inteeruptds). 



"Jumpers," as these insects are called in the hop-gardens, 

 sometimes do much harm to the hops. When badly at- 

 tacked the leaves turn yellow and die off. These jumping 

 bugs are provided with four ample wings when adult, and are 

 gaily coloured with brown, yellow, and sometimes red. The 

 larva and pupa are green and yellow. In all stages this 

 insect is very variable in colour. Their exuviae are often 

 found sticking on to the hop-leaves. Just as in Calocoris, they 

 suck out the sap of the leaf and bine, especially in hot dry 

 weather. In winter they are in the egg state on the poles and 

 bine, and thus the disease is carried on from year to year in the 

 same garden. It is especially upon badly tilled land and stonj' and 

 light soils that " Jumpers '' are troublesome. The damage mani- 

 fests itself in June by the yellowness of the leaves, their curled 

 appearance, and the stopping of the leading shoots revolving. 

 The abolition of poles will materially check this pest. Jarring, 

 as for the previous insect, is the only remedy we can employ. 



