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MONTANA EXPERIMENT STATION BULLETIN 333 



VIRGINIA CREEPER LEAFHOPPER 



Erythroneura comes zic-zac Walsh 



The attention of the State Entomologist's office was first 

 drawn to this insect in August of 1907, when specimens and 

 injured foliage were received from Billings. It was not until 

 1926 that injury was again reported, this time from Glasgow. 

 Garfield, Rosebud, Custer, and Powder River counties reported 



Figure 6. — That part of the vine to the right was protected from 

 the Virginia creeper leaf hopper by a single spray; the vines to 

 the left wei-e unsprayed. 



it in 1928, Park and Lewis and Clark counties in 1929, Prairie 

 County in 1930, and Dawson County in 1931. It has up to the 

 present time been reported from or observed in all parts of the 

 state except the extreme west and the northwestern corner. 



The Virginia Creeper leafhopper is a minute, elongate, pale 

 yellow insect with a conspicuous rusty-brown zig-zagging stripe 

 on each wing. It sucks the juices from the leaves, giving them 

 a gray, mottled appearance. When the pests are abundant the 

 leaves are so injured that they drop from the vines. 



The biology and control of this insect have been studied at 

 Bozeman, and control experiments were quite successfull. The 



