Observations on the European corn borer and its major parasites in the Orient

by W. B. Cartwright

Publisher: U.S. Dept. of Agriculture in Washington, D.C

Written in English
Published: Pages: 14 Downloads: 386
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Subjects:

  • European corn borer,
  • Corn,
  • Biological control,
  • Diseases and pests

Edition Notes

Statementby W.B. Cartwright
SeriesCircular / United States Department of Agriculture -- no. 289, Circular (United States. Dept. of Agriculture) -- no. 289.
The Physical Object
Pagination14 p. :
Number of Pages14
ID Numbers
Open LibraryOL25513572M
OCLC/WorldCa16707316

Pepper IPM: European Corn Borer. Life cycle and damage. The European corn borer (ECB) has more than host plants, which include many common weeds and crops. ECB is the most important insect pest of peppers in New England. Prior to setting fruit, only an occasional pepper plant suffers injury to stems or branches. Current European Corn Borer Degree Day Totals for Kentucky; Corn Diseases and Corn Insect Menu. Integrated Pest Management Programs. Univeristy of Kentucky IPM Programs Department of Entomology Lexington, KY [email protected] Kentucky IPM. Contacts Priorities & Reports. European corn borer (ECB) is a common pest of corn in Ohio that may cause economic losses during the growing season. European corn borer infestations differ over time and among geographic regions in the state. Where ECB is active, the development of borers in corn stalks interferes with the flow of nutrients in the host plant, enhances infection by stalk diseases, causes stalk breakage and ear. It causes extensive losses in sweet corn and is a major consideration in production of snap beans and sweet peppers. Second generation corn borer injury to peppers is a problem in all areas of the state. Life History. The adult European corn borer overwinters in stalks of corn, weeds, and other herbaceous plants large enough for borers to enter.

The European corn borer (ECB) was first reported in North America in in Massachusetts, where it probably was i n-troduced several years earlier in broom corn from Europe. Since its initial discovery, the insect has spread into Canada and wes tward across the U.S. to the Rockies. The ECB moth (Figure 4) is about one inch long with a win g-. Iowa State University Entomology modified J by John VanDyk. European Corn Borer Entry Site. The entry site of a European corn borer larva into the potato stalk will be a small hole usually surrounded by frass. The frass is a sawdust-like material, which is waste from the insect. European Corn Borer Larvae. European corn borer larvae can be found within the stalk.   By Ed Ricciuti. Farmers who need to control the destructive European corn borer (Ostrinia nubilalis) may soon be able to distinguish it from look-alike species by simply scanning an image of its wing into a computer and pecking a few keys.A technique developed by Polish scientists marks the first time that measurements of key structural features in the wing have been used to identify the borer.

1. Get some corn 2. Extract the genes that code for a herbicide-tolerant enzyme (ESPs) from a bacteria. The ESPs enzyme is involved in the synthesis of several important amino acids. Herbicide is glyphosate. 3. Insert those HT bacterial ESPs genes into corn 4. Now the corn will make the bacterial version of the HT-tolerant enzyme in every cell. 5. European corn borer Scientific name—Ostrinia nubilalis Appearance Full-grown larvae of the European corn borer range in length from 3⁄4 to 1 inch and vary in color from gray to creamy white. The body is covered with numerous dark spots and the head is black. Adults are straw-colored moths with a 1-inch wingspread. Male moths are slightly. Studies of Exeristes roborator (Fab.), a parasite of the European corn borer in the Lake Erie area. U. S. Dept. Agr. Tech. Bull. 26 p. Bakkendorf, O. Biological investigations on some Danish hymenopterous egg-parasites, especially in homopterous eggs, with .

Observations on the European corn borer and its major parasites in the Orient by W. B. Cartwright Download PDF EPUB FB2

Additional Physical Format: Online version: Cartwright, W.B. Observations on the European corn borer and its major parasites in the Orient. Washington, D.C.: U.S. The European corn borer (Ostrinia nubilalis), also known as the European corn worm or European high-flyer, is a moth of the family Crambidae which includes other grass moths.

It is a pest of grain, particularly corn (maize or Zea mays). The insect is native to Europe, originally infesting varieties of millet, including broom : Insecta. The European corn borer passes the winter as full-grown larva in corn stalks and other plant refuse such as weed stems. The mature larva is about 1 inch (25 mm) long, creamy to grayish in color, and marked by rather inconspicuous rows of small, round, brown spots running the length of its body.

Abstract. Caption title."Contribution from Bureau of Entomology."Includes bibliographical of access: InternetAuthor: W. B.#N# (William Bell) Cartwright.

How to Control Corn Borers & Earworms. Nothing is more frustrating than pouring your heart and soul into growing a garden only to discover that pests have destroyed much of your edible crop. Corn. The European corn borer was first reported in the United States in in Massachusetts.

It was thought to have come from Europe in broomcorn. This insect is one of the most damaging corn pests known in the United States and Canada, causing over $1 billion dollars of damage to corn crops annually.

Observations on the European Corn Borer and its major parasites in the Orient. — U.S. Dept. Agr. Cir. Google Scholar Doutt, R. — {dy}. Hymenoptera: Trichogrammatidae and Mymaridae. — {jt Insects of Micronesia }.

parasites of the European corn borer (Pyrausta nuhilalis (Hbn.)). when they have been imported into the United States from Europe and the Orient (2, 4, 5, 6, 7).

The equipment, constructed to handle the emergence of these. To date, corn earworm has been the most serious problem on sweet corn, but he’s also received more reports of European corn borer damage than he has in several years.

Advertisement. The reason, he says, is there are some areas of Indiana and elsewhere where farmers are not growing large acreages of Bt (Bacillus thuringiensis) field corn with.

How To Control the European Corn Borer. The European Corn Borer (Ostrinia nubilalis) is a widespread pest (found on three continents) known to feed on different kinds of plants, some of which include: corn, pepper, chrysanthemum, dahlia, beet, bean, potato, tomato, cotton and soybean along with many kinds of weeds.

Adults are small, tan, nocturnal moths. Additional Physical Format: Online version: Clark, Charles Allen, European corn borer and its controlling factors in the Orient. Washington: U.S.

Dept. of Agriculture, Parasitoid inventarisation of European corn borer (Ostrinia nubilalis Hübner, ) and options for its biological control in Slovenia Article (PDF Available) in Acta agriculturae Slovenica (1.

Southern Corn Leaf Beetle Description: Adult beetles are about 3/16 of an inch long with a grayish or brownish color pattern. They are usually covered with soil particles, giving them a dusty appearance.

Damage Symptoms: Beetles feed on the edges of leaves and stems, producing notched holes in the leaves. Incidence: May, on seedling corn. Sampling Scheme: None available. The use of biological control with microorganisms, including fungi, against plant pests and diseases has been the major content of several reviews (9, 15, 40).

In North America, B. bassiana is a natural agent of control for the European corn borer, Ostrinia nubilalis (Hübner) (1, 10), a serious pest of corn, Zea mays L.

the European corn borer {Pyrausta nubilcdis Hbn.) in France early in the investigations initiated by the Bureau of Entomology to study the parasite complex of this insect pest in its native home, and subse- quent extensive held observations (J, iY have shown it to be fairly generally distributed throughout Europe.

Thompson and Parker {6, p. JOURNAL OF INVERTEBRATE PATHOL () Bacteria Associated with Eggs and First-Instar Larvae of the European Corn Borer: Identification and Frequency of Occurrence' R. LYNCH, L. LEWIS, AND T. BRINDLEY European Corn BorerResearch, Agricultural Research Service, U.

Department of Agriculture, Ankeny, Iowa Received May 8. CORN BORER, EUROPEAN. CORN BORER, EUROPEAN. Introduced through southern European broom corn into the United States aboutthe European corn borer spread into nearly every major corn-growing area of the country, causing an estimated loss ofbushels of corn in The insect also attacks nearly all herbaceous plants large enough for its larvae to enter.

Parasites of the European corn borer have been introduced into the United States from Europe and the Orient. Some species are well established and serve as a means of reducing potential populations. Resistant hybrids to the European corn borer have been developed, and some are being grown com­ mercially in the Corn Belt.

Field corn (grain and silage), popcorn and seed corn. Apply in a minimum of 2 - 5 gallons of spray per acre by aircraft or 10 gallons per acre with ground equipment. Do not apply within 30 days of harvest. 19 Parasites recovered from fall collected corn borer larvae.

North Dakota, 20 Invertebrate prédation on the corn borer, Fargo, North Dakota, 21 Average number of predaceous insects per plants, functional stages, Cass County, North Dakota, 22 Summary of bird prédation on corn borer larvae Bythe European corn borer had spread throughout most of the major corn-growing areas in the United States.

It first appeared in Illinois in After it became established in North America, the European corn borer was recognized as one of the most economically important insect pests of corn throughout the Corn Belt. An account is given of work done since on the introduction of parasites against Pyrausta nubilalis[Ostrinia nubilalis], Hb., on maize in the United States [cf.

R.A.E., 21 ; 26 ], including descriptions of the methods adopted for their transport from the country of origin and from the laboratory to the field, and of the status of the seven that were established at the end of Broken leaf midribs, tassels with saw-dust-like frass at the breaks, and holes in the stalks and ears with bunches of frass at the tunnel openings are common signs of the European corn borer.

This damage can lead to reduced yield, lodging, and dropped ears, and. enemies to check its expansion. the corn borer quickly spread throughout the eastern and midwestern states.

Inthe U.S. Department of Ägriculture began a program of releasing in this country a number of corn borer parasites from Europe and the Orient to help reg- ulate the populations of borers. Unfortunately, as ef. The most predominant pests this time of year are normally the two species of corn borer.

These worms bore into the ear or the stalk of corn plants causing economic damage. Here in southwest Kansas and the Oklahoma and Texas Panhandle, the predominant species is the southwestern corn borer.

European corn borer has been a significant pest of Iowa field corn since the s. This publication discusses the European corn borer life cycle, injury caused to corn and management options with a focus on Iowa field corn production.

CROP CROP   After this GMOed corn was put on the market, it increased the yields for farmers by percent. Many similar things have been done with many other plants of course, marijuana, apples, potatoes, etc.

How it Relates Well, maybe not everyone has to deal with the european-corn borer, be it their location or the fact they grow indoors. There are usually several generations each year. The European corn borer is a common pest throughout the northern and eastern U.S. Its range extends west as far as Montana and south to Arkansas.

Prevention and Control. Plant corn varieties that are resistant to corn borers. University of Massachusetts Amherst [email protected] Amherst Masters Theses - February Some aspects of natural control of the European corn borer, Ostrinia nubila.

European Corn Borer About European Corn Borer European Corn Borers, Ostrinia nubilalis, are a pest of corn.

Female corn borer moths lay clusters of eggs on corn leaves, usually on the underside of the leaf. The stage that damages crop plants is the larvae, but it is the adult moths that are attracted to and captured in traps.

Most seed corn companies have hybrids with some type of resistance to leaf feeding caused by the European corn r, since the late 's, fewer acres have been planted to these hybrids. The inbred line B73, which is widely used in hybrid combinations because of its high yield potential, also is susceptible to corn borer feeding.Under most scenarios, the pathogen persists while the parasitoid disappears.

The three exotic larval parasitoids of the European corn borer found in the US are all rare. The microsporidium typically regulates the European corn borer at densities below the levels needed for the parasitoid to forage successfully.

Impacts (N/A) Publications.European Corn Borer in Field Corn — EW. 2 Insecticide Treatments Economically important corn borer populations can usu-ally be controlled if insecticides are properly selected and correctly applied.

As a rule, one application will control first generation borers in corn. However, two or more applications.