Aphid Alert 2000, No. 4, July 3

 

Aphid captures per trap by location for week ending 4 July

Minnesota

Minnesota Baker
3 July
Climax
3 July
Crookston
5 July
Gully
3 July
Hollandale
5 July
Karlstad
3 July
  Aphids per trap per week
Species PLRV/PVY vectors  
green peach aphid   1 (6.7)        
potato aphid            
  PVY vectors
bird cherry-oat aphid 6 (30)     1 (20)    
corn leaf aphid         1 (10)  
English grain aphid     1 (9.1)      
greenbug           1 (25)
sunflower aphid            
thistle aphid 1 (5)   1 (9.1)      
turnip aphid 2 (10)   4 (36.4)      
Other PVY vectors            
  Non-vectors and unidentified
non-vectors 8 (40) 12 (80) 3 (27.1) 2 (40) 9 (90) 3 (75)
unidentified 3 (15) 2 (13.3) 2 (18.2) 2 (40)    
Totals 20 15 11 5 10 4

Minnesota

Minnesota Little Falls
3 July
Morris
No data
Rice
5 July
Rosemount
3 July
Thief River
4 July
Williams
3 July
  Aphids per trap per week
Aphid species PLRV/PVY vectors
green peach aphid            
potato aphid 1 (4.2)       2 (18.2)  
  PVY vectors
bird cherry-oat aphid 6 (25)       1 (9.1)  
corn leaf aphid 2 (8.3)          
English grain aphid 1 (4.2)          
greenbug 1 (4.2)          
sunflower aphid            
thistle aphid         1 (9.1)  
turnip aphid 1 (4.2)          
Other PVY vectors            
  Non-vectors and unidentified
non-vectors 8 (33.3)   4 (80)   6 (55) 4 (100.)
unidentified 4 (16.7)   1 (20)   1 (9.1)  
Totals 24 0 5 0 11 4

North Dakota

North Dakota Cando Hoople Linton
20 June
Mandan
20 June
Minot Rolette Walhalla
  Aphids per trap per week
Aphid species PLRV/PVY vectors
green peach aphid              
potato aphid         1 (12.5)    
PVY vectors
bird cherry-oat aphid 1 (50)            
corn leaf aphid   1 (20)          
English grain aphid              
greenbug              
sunflower aphid              
thistle aphid              
turnip aphid              
other PVY vectors              
Non-vectors and unidentified
non-vectors 1 (50)       6 (75) 3 (60) 3 (60)
unidentified   4 (80)     1 (12.5)   2 (40)
Totals 2 5 0 0 8 3 5

Wisconsin

Wisconsin Antigo
3 July
Rhinelander
3 July
  Aphids per trap per week
Aphid species PLRV/PVY vectors
green peach aphid    
potato aphid    
  PVY vectors
bird cherry-oat aphid   1 (50)
corn leaf aphid    
English grain aphid    
greenbug    
sunflower aphid    
thistle aphid    
turnip aphid    
other PVY vectors    
  Non-vectors and unidentified
non-vectors 1 (100) 1 (50)
unidentified    
Totals 1 2

South Dakota

South Dakota Watertown
3 July
  Aphids per trap per week
Aphid species PLRV/PVY vectors
green peach aphid  
potato aphid  
  PVY vectors
bird cherry-oat aphid  
corn leaf aphid  
English grain aphid  
greenbug  
sunflower aphid  
thistle aphid  
turnip aphid  
other PVY vectors  
  Non-vectors and unidentified
non-vectors  
unidentified  
Totals 0

Nebraska

Nebraska Cody
3 July
  Aphids per trap per week
Aphid species PLRV/PVY vectors
green peach aphid  
potato aphid  
  PVY vectors
bird cherry-oat aphid  
corn leaf aphid  
English grain aphid  
greenbug  
sunflower aphid  
thistle aphid  
turnip aphid  
other PVY vectors  
  Non-vectors and unidentified
non-vectors  
unidentified  
Totals 0