Aphid Alert

No. 4, 2000
3 July

Published cooperatively by
departments of Entomology & Plant Pathology,
College of Agricultural, Food and Environmental Sciences, University of Minnesota,
the University of Minnesota Extension Service,
and the State Seed Potato Programs of 
Minnesota and North Dakota

Funding provided by:
Minnesota State Legislature &
United States Department of Agriculture,
Cooperative State Research, Education and Extension Service,
Integrated Pest Management Program,
North Central Region

WWW address: http://ipmworld.umn.edu/alert.htm

Aphid captures reported by location for week ending 4 July.  Data reported here only for locations with links.

Visit Jeff Miller's Late Blight Site

Captures of green peach aphid per trap in 1992-1994 and 1998-1999

Captures of PVY vectors (other than green peach aphid) per trap, 1998-1999

Trap locations in 1998 and 1999

Update on Aphid Alert project

Leafhopper Alert

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)

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

Little Falls
3 July

Morris

Rice
5 July

Rosemount
3 July

Thief River
4 July

Williams
3 July

Aphids per trap per week

PLRV/PVY vectors

1 (4.2)

2 (18.2)

PVY vectors

6 (25)

1 (9.1)

2 (8.3)

1 (4.2)

1 (4.2)

1 (9.1)

1 (4.2)

Non-vectors and unidentified

8 (33.3)

4 (80)

6 (55)

4 (100.)

4 (16.7)

1 (20)

1 (9.1)

24

0

5

0

11

4

Cando

Hoople

Linton
20 June

Mandan
20 June

Minot

Rolette

Walhalla

Aphids per trap per week

PLRV/PVY vectors

1 (12.5)

PVY vectors

1 (50)

1 (20)

Non-vectors and unidentified

1 (50)

6 (75)

3 (60)

3 (60)

4 (80)

1 (12.5)

2 (40)

2

5

0

0

8

3

5