All entries for Sunday 30 July 2017

AHDB Aphid News

The latest edition of AHDB Aphid News has been issued.

• Black bean aphids were caught at five sites in the ST (suction traps) and across the country in YWT (yellow water traps) this week, with the highest number caught in the ST at Gogarbank (28).
• The peach–potato aphid (Myzus persicae) was caught in single figures at seven ST sites this week with the highest number being caught at Newcastle (4). Tests show that up to 52% of these migrants are carrying Turnip yellows virus.
• The mealy cabbage aphid was caught at four sites this week. The highest number caught was at Hereford (10). Mealy cabbage aphids are also still being found in YWT in the Grampian and North of Scotland regions, the latter of which has found them in higher than average numbers.
• Currant-lettuce aphids (Nasonovia ribisnigri) were caught in ST at York (4), and Kirton (1) this week.
• Single individuals of the willow ̶ carrot aphid were caught at Gogarbank and Newcastle this week. The highest number of parsnip aphids were caught at York.

Rosemary Collier : 30 Jul 2017 09:51 |  Comments (0) |  Close comments |  Report a problem

Pest update for Wellesbourne 28th July

Between Tuesday 25th July and Friday 28th July we caught:

On 3 sticky traps:

• 28 carrot flies

In 3 water traps in a plot of swedes.

• 7 male cabbage root flies and 4 females
• 44 bean seed flies
• 166 pollen beetles
• 42 flea beetles
• 195 cabbage stem weevils
• 14 cabbage stem flea beetles

We also recovered 34 cabbage root fly eggs from the soil around 15 cauliflower plants (new plants).

We caught 1 silver Y moth in our pheromone traps.

Rosemary Collier : 30 Jul 2017 09:47 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne for 25th July

Between Friday 21st July and Tuesday 25th July we caught:

On 3 sticky traps:

• 28 carrot flies

In 3 water traps in a plot of swedes.

• 14 male cabbage root flies and 6 females
• 28 bean seed flies
• 258 pollen beetles
• 57 flea beetles
• 389 cabbage stem weevils
• 1 cabbage seed weevil
• 1 cabbage stem flea beetle

We also recovered 22 cabbage root fly eggs from the soil around 15 cauliflower plants (new plants).

We caught 1 diamond-back moth and 1 silver Y moth in our pheromone traps.

Rosemary Collier : 30 Jul 2017 09:45 |  Comments (0) |  Close comments |  Report a problem