Corn Earworm and Tomato Fruitworm Control

Female CEW can lay about eggs during their lifetime. The head capsules are tan to dark brown. Strawberry damage.

Managing Pests in Gardens: Vegetables: Invertebrates—Corn earworm

The newly-hatched larvae feed on the corn silk, working their way down the silk channel to the tip of the ear. They are laid singly by female moths and turn from white to dark brown before hatching in 3 to 10 days.

Other common wasp parasites include Brachymeria ovata , Microplitis croceipes , and two Tachinid species. Braconidae , a parasitoid of Heliothis virescens Fabricius Lepidoptera: To detect larvae inspect leaves for damage or fruits and pods for signs of tunneling.

Alternating dark and light stripes running lengthwise down their bodies. For noncommercial purposes only, any Web site may link directly to this page. Bear with us, and send us comments to improve it for next year.

How to Manage Pests

Table 1. Infestations that affect pod formation and seed filling have the potential to reduce yields, and because this happens in the later stages of plants, they have less time to compensate.

Do not apply the oil too early or it will interfere with pollination and result in poor kernel development. A female can lay from to 3, eggs, and average about 1, eggs per female. Several natural corn silk volatiles like the plant hormone ethylene induce H.

In southern climates, corn earworm pupae overwinter in soil. Applying a few drops of mineral oil with a medicine dropper to silks just inside each ear 3 to 5 days after silks first appear may be effective.

They can be caught up in winds and storms, and deposited with the weather patterns.

This page was last modified Authored by: The other states capture data more frequently than we do in Pennsylvania. Larvae feed on fruit and leaves and drop to the soil to pupate.

Identify and Control Corn Earworms

Pesticides are poisonous. Based on work by Bilal Bush and Allison Tiffany and others. Kingan, and Autar K.