In tomatoes, CEW larvae will tunnel into the fruits and chew holes in the leaves, stems, and flowers Monitoring:Īdult moths are most active at dusk, and can be carried by wind currents traveling hundreds of miles. Direct damage usually occurs at the ear tip by feeding on kernels, also damage to the silk can decrease pollination leading to poor ear development. Damage:ĬEW can cause several types of injury. CEW overwinters in the pupae stage in central and southern Utah and immigrates into northern Utah each spring. The adult moth is tan with a distinct spot and dark margin on its forewings. The larvae have a brown head with alternating dark and light stipes along the length of its body. CEW is the most destructive pest to Utah’s sweet corn. Trichogramma are tiny wasps that parasitize insect eggsĬorn Earworm (CEW) and Tomato Fruit worm are common names given to the larvae stage of Helicoverpa zea.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |