All entries for August 2014

Rothamsted suction trap captures

The latest aphid bulletin has just been released. There were very low numbers of the pest aphids of vegetable and salad crops 2014webbulletin21.pdf.

There is also an edition of AHDB Aphid News - which relates to oil seed rape crops ahdb_aphid_news_20140829.pdf

Rosemary Collier : 29 Aug 2014 17:15 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Tuesday (26th) and Friday (29th) we found:

• 15 carrot flies on traps in this year's carrots (3 traps)
• Total of 68 cabbage root fly eggs from around 15 cauliflower plants.
• There were 4 turnip moths, no diamond-back moths and 1 silver Y moth (2 traps per species).

The 3 yellow water traps caught:

• 85 male and 36 female cabbage root flies
• 129 bean seed flies
• 9 flea beetles
• 1 small white butterfly

Rosemary Collier : 29 Aug 2014 17:12 |  Comments (0) |  Close comments |  Report a problem

pest update from Wellesbourne

Between Friday (22nd) and Tuesday (26th) we found:

• 49 carrot flies on traps in this year's carrots (3 traps)
• Total of 16 cabbage root fly eggs from around 15 cauliflower plants.
• There were 5 turnip moths, no diamond-back moths and no silver Y moths (2 traps per species). This looks as if it may be the start of the second generation of turnip moths - which generally does not cause problems.

The 3 yellow water traps caught:

• 94 male and 35 female cabbage root flies
• 55 bean seed flies
• 11 flea beetles
• 1 small white butterfly

Rosemary Collier : 27 Aug 2014 11:34 |  Comments (0) |  Close comments |  Report a problem

Pest updates from Wellesbourne

Between Friday (15th) and Monday (18th) we found:

• 37 carrot flies on traps in this year's carrots (3 traps)
• Total of 22 cabbage root fly eggs from around 15 cauliflower plants.
• There were no turnip moths, no diamond-back moths and 3 silver Y moths (2 traps per species).

The 3 yellow water traps caught:

• 10 male and 10 female cabbage root flies
• 32 bean seed flies
• 20 flea beetles
• 3 small white butterflies
• 2 cabbage stem weevils

Between Monday (18th) and Friday (22nd) we found:

• 50 carrot flies on traps in this year's carrots (3 traps)
• Total of 2 cabbage root fly eggs from around 15 cauliflower plants.
• There was 4 turnip moths, no diamond-back moths and 3 silver Y moths (2 traps per species).

The contents of the 3 yellow water traps have still to be counted.

Rosemary Collier : 24 Aug 2014 14:48 |  Comments (0) |  Close comments |  Report a problem

Rothamsted suction trap captures

The latest aphid bulletin is here 2014webbulletin20.pdf. Captures of vegetable pest aphids were very low.

Rosemary Collier : 24 Aug 2014 14:48 |  Comments (0) |  Close comments |  Report a problem

Rothamsted suction trap captures

The most recent bulletin can be found here: 2014webbulletin19.pdf

The most recent edition of Aphid News highlights the issue of aphid and flea beetle control in oilseed rape and may be of interest: ahdb_aphid_news_20140814.pdf

Rosemary Collier : 15 Aug 2014 17:21 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Tuesday (12th) and Friday (15th) we found:

• 48 carrot flies on traps in this year's carrots (3 traps)
• Total of 9 cabbage root fly eggs from around 15 cauliflower plants.
• There was 1 turnip moth, no diamond-back moths or silver Y moths (2 traps per species).

The 3 yellow water traps caught:

• 4 male and 11 female cabbage root flies
• 12 bean seed flies
• 2 pollen beetles
• 9 flea beetles
• 1 small white butterfly

Rosemary Collier : 15 Aug 2014 17:16 |  Comments (0) |  Close comments |  Report a problem

Rothamsted suction trap captures

The most recent bulletin (week ending 3 August) can be found here:

http://www.rothamsted.ac.uk/insect-survey-bulletins/bulletin-no-18-28-july-03-august

Rosemary Collier : 12 Aug 2014 17:45 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Friday (8th) and Tuesday (12th) we captured:

• 26 carrot flies on traps in this year's crop of carrots (3 traps).

We collected a total of 12 cabbage root fly eggs from around 15 cauliflower plants.

The 3 yellow water traps caught:

10 male and 24 female cabbage root flies

• 28 bean seed flies
• 2 pollen beetles
• 16 flea beetles
• 6 small white butterflies.

There was 1 silver Y moth, no diamond-back moths and 1 turnip moth (2 pheromone traps per species).

Rosemary Collier : 12 Aug 2014 17:44 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Monday (4th) and Friday (8th) we found:

• 23 carrot flies on traps in this year's carrots (3 traps)
• Total of 19 cabbage root fly eggs from around 15 cauliflower plants.
• There were no turnip moths, diamond-back moths or silver Y moths (2 traps per species).

The 3 yellow water traps caught:

• 12 male and 5 female cabbage root flies
• 12 bean seed flies
• 3 pollen beetles
• 233 flea beetles
• 3 cabbage stem weevils
• 1 small white butterfly

Rosemary Collier : 08 Aug 2014 17:02 |  Comments (0) |  Close comments |  Report a problem