ADULT Mating Overwinter Oviposition Eggs hatch LARVAE PUPAE - - PowerPoint PPT Presentation

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Apr 14, 2023 205 likes •424 views

Emerge: April-June ADULT Mating Overwinter Oviposition Eggs hatch LARVAE PUPAE Persist for Mature: July several years Winter Spring Summer Fall A C B D X X B D C A C A D B X X D B A C 25 Carrot Bait Number

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ADULT LARVAE PUPAE Emerge: April-June Mating Oviposition Eggs hatch Persist for several years Mature: July Overwinter

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Winter Spring Summer Fall

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A C A C B A C B A B B C D D D D

X X X X

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Bait

Corn Dandelion Potato Wheat

Number choosen by wireworms

5 10 15 20 25 Carrot Bait

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Control Diluted Neem Neem Wheat Wheat + Neem

Percent, By Weight, of Carrots Exhibiting Wireworm Feeding Damage

5 10 15 20 25 Severely Damaged Damaged

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Buckwheat Flax Alfalfa Barley with clover Brown Mustard

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Date of trap removal

Jun Jul Aug Sep Oct Nov Dec

Average number of wireworms

1 2 3 4 Alfalfa Barley underseeded with Clover Buckwheat Flax Brown Mustard

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Wireworm Counts for 2010 and 2011

Previous Crop Bait Trap Barley Fallow Mustard Wireworm Counts (#) 1 2 3 4 5 6 7

2010 Counts 2011 Counts

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% Potatoes Damaged by Number Barley Fallow Mustard % of Potatoes Damaged by Wirewromes(#) 20 40 60 80

% Damaged (num) % Severely Damaged

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