Helicoverpa zea - Wikipedia
网页Helicoverpa zea, commonly known as the corn earworm, is a species (formerly in the genus Heliothis) in the family Noctuidae. [1] The larva of the moth Helicoverpa zea is a major agricultural pest.
Corn Earworm - Purdue University
网页The corn earworm (CEW), also known as the tomato fruitworm or cotton bollworm, is a pest of corn, tomato, cotton, beans, alfalfa, and tobacco. CEW overwinter more successfully in southern Indiana and are more likely to be an early season problem farther south.
Earworm Control In Corn: How To Get Rid Of Earworms - Gardening Know How
网页2021年5月18日 · Earworm control in corn is a concern of both small and large scale gardeners. There are, however, ways to prevent corn earworms from wreaking havoc in your corn patch. This article will explain how.
Corn Earworm: Identification, Overview, and Garden Control - The …
网页2023年8月17日 · Corn earworms are aggressive insects that can bite (they are cannibalistic). Handle them as little as possible and wear gloves for protection. Article Sources. Corn earworm affects sweet corn, tomatoes, and other vegetables. Here’s how to identify the pest and its damage and how to control and prevent it.
Corn Earworm | NC State Extension - North Carolina State University
网页The corn earworm (Helicoverpa zea Boddie) is a common insect in corn. First and second generation caterpillars attack the whorl stage while the later generations are largely found in corn ears. Corn earworm larvae generally infest the ear through the silk and in years with heavy insect pressure, there can be multiple penetration sites.
Corn Earworm - Penn State Extension
网页2023年6月19日 · The corn earworm is a very important pest of sweet corn. It can also be a pest in tomatoes, cotton, sorghum, vetch, and other hosts. Thus, it also goes by the name of cotton bollworm and tomato fruitworm.
corn earworm - Helicoverpa zea - Entomology and Nematology …
网页Corn earworm is considered by some to be the most costly crop pest in North America. It is more damaging in areas where it successfully overwinters, however, because in northern areas it may arrive too late to inflict extensive damage.
Corn Earworm / Corn / Agriculture: Pest Management Guidelines …
网页The corn earworm may be present throughout the season but is most abundant during August and September. Larvae feed on leaves, tassels, the whorl, and within ears, but the ears are the preferred sites for corn earworm attack.
Corn Earworm | Department of Entomology | Washington State …
网页Corn Earworm. Helicoverpa zea (Boddie) is a sub tropical Noctuid moth species attacking many crops and food plants including sweet corn. It is a cosmopolitan pest. In the past, H. zea reinvaded the PNW intermountain region each year to infest sweet corn.
Corn Earworm | USU - Utah State University Extension
网页Quick Facts. Corn earworm (CEW) is the most destructive insect pest of sweet corn in Utah. CEW will also attack field corn, and pepper and tomato fruits. The adult is a tan-brown moth that is most active at dusk; moths can be carried on wind currents, and may travel up to 300 miles in one night.