Caterpillar of european corn borer ostrinia nubilalis. As little was known about the biology of this parasitoid when reared on o. For this, we compared the global transcriptomic response of laboratory selected resistant. First found in north america near boston, massachusetts in 1917, european corn borer, ostrinia nubilalis hubner, now has spread as far west as the rocky mountains in both canada and the united states, and south to the gulf coast states. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Effects of combining beauveria bassiana and nosema. Ostrinia nubilalis author last name ellis remove constraint author last name. Insecta, holometabola, lepidoptera, pyralidae common name. North america, north africa, europe, asia morphology. Crambidae 2 larva larvae tend to be light brown or pinkish gray in color dorsally, with a brown to black head capsule and a yellowish brown thoracic plate. Repetitive genome elements in a european corn borer, ostrinia. Some elements of economic efficiency of biological. Sequences comparatively showed 186 substitutions 1.
The moths are fairly small, with males having a wingspan of 2026 mm and females 2534 mm. Carotenoids moderate the effectiveness of a bt gene. Adults caught in south georgia are generally smaller than the typical european corn borer from the midwest corn belt. European corn borer ostrinia nubilalis hubner insect fact sheet integrated pest management description life cycle injury university of illinois early instars of european corn borers are tiny larvae, approximately 2 to 116 inch long, with translucent white bodies and brown heads. For this, we compared the global transcriptomic response of laboratory selected resistant and susceptible o.
The genus ostrinia, which includes the european corn borer, ostrinia nubilalis, and the asian corn borer, ostrinia furnacalis, is an excellent model for studying the evolution of the pheromone biosynthesis and recognition systems, since various species show distinct differentiation in sex pheromones despite a relatively short period after. Pyralidae, in canada volume 98 issue 12 marcel hudon. Transcriptional analysis of susceptible and resistant. It is a pest of grain, particularly corn maize or zea mays.
Pyralidae were studied to obtain new microbes for biological control. Sexlinked pheromone receptor genes of the european corn. Repetitive genome elements in a european corn borer, ostrinia nubilalis, bacterial artificial chromosome library were indicated by bacterial artificial chromosome end sequencing and development of sequence tag site markers. United states department of agriculture, forest service. Page designed through the cooperative efforts of interagency itis teams. Previous works on these species had shown that their genetic divergence was low, while they were reproductively isolated in natura and. Populations show genotypebyenvironment variation in voltinism, such that populations with a single generation univoltine are fixed in northern china where growing seasons are short. We found a significant variation in parasitism by the tachinids lydella thompsoni herting. European corn borer is thought to have originated in europe, where it. Hosted by the usgs core science analytics and synthesis.
Ostrinia nubilalis hubner, 1796 female, dorsal view. The feeding preference of european corn borer larvae for immature whorl tissue of maize was examined by conducting leaf bioassays and quantifying resistance factors along the length of midwhorl leaves from the maize synthetic bs9c4 developed by. Ostrinia nubilalis european corn borer, arnhem, the. Ostrinia nubilalis, ostrinia scapulalis background the genus ostrinia comprises about 20 species 1, including two major pests of maize. The european corn borer, ostrinia nubilalis, is a serious pest of food, fiber, and biofuel crops in europe, north america, and asia and a model system for insect olfaction and speciation. Pdf effects of different insecticides on the antioxidative defense. Frequency of hybridization between ostrinia nubilalis e. A bacterial artificial chromosome library constructed for o.
Capell for his technical assistance with plant material and alex juarez for his unconditional help. The asian corn borer, ostrinia furnacalis, is one of the biggest pests of maize in asia, causing 10%30% of yield losses in the field, and in some cases up to 80% yield loss. Care should be taken to avoid confusion with sesarniu nonugrioides sesano when this species is also present. I selection of crop and cultivar, test organisms use any cultivar of maize zeamx. The first objectives of these studies were to determine if more larvae were produced in popcorn than in field corn and to. Practical resistance of ostrinia nubilalis lepidoptera. These pests carry fungal pathogens such as bipolaris maydis and curvularia lunata which cause diseases such as maydis leaf blight and curvularia leaf spot in the crop. In north america, the primary target pest of bt maize has historically been the european corn borer ostrinia nubilalis hubner lepidoptera. Isolation, characterization and virulence of bacteria from. The developmental threshold for larvae is about 11c. The european corn borer, ostrinia nubildis hubner was reared on five artificial diets during three successive generations. Female european corn borer, ostrinia nubilalis, produce and males respond to sex pheromone blends with either e. Differentiation of european corn borer lepidoptera. Pathogens of the european corn borer, ostrinia nubilalis.
Download fulltext pdf sugars affect oviposition behaviour of european corn borer, ostrinia nubilalis hbn. Summaries of papers presented at the international seminar on biological pest control for field crops, kyushu, japan, augustseptember 1986. Media in category ostrinia nubilalis the following 49 files are in this category, out of 49 total. Guideline for the efficacy evaluation of insecticides ostrinia nubilalis revised in 1994 1. Free photos animals photos insects and bugs photos caterpillar of european corn borer ostrinia nubilalis 75160 to view or save this photo in high resolution, just click the photo to see the full imagethe full image is much higher quality and not pixelated. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Transcriptional analysis of susceptible and resistant european corn borer strains and. A total of 16 bacteria were isolated from living and dead larvae collected from different maize fields in the eastern black sea region of turkey. The larva is 1525 mm long, usually fleshcolored to. Ellis graduate program entomology remove constraint graduate program. Carotenoids moderate the effectiveness of a bt gene against the european corn borer, ostrinia nubilalis article pdf available in plos one 7. The body is marked with round dark spots on each body segment. Mitochondrial gene order was identical to that observed from bombyx.
In this study, we evaluated in field trials the effects on nontarget species, of transgenic corn producing the cry1ab toxin of bacillus thuringiensis bt. Pdf european corn borer, ostrinia nubilalis hubner insecta. The insect is native to europe, originally infesting varieties of millet, including broom corn. Pdf leaf profile of maize resistance factors to european. We further identified constitutive transcriptional differences between the two strains. The paper is a synthesis of the results obtained during 19982010, on the effectiveness of biological trichogramma spp. Carotenoids moderate the effectiveness of a bt gene against. The genome assembly spans 419 mb, has a gc content of 37. Repetitive genome elements in a european corn ostrinia. Repetitive genome elements in a european corn ostrinia nubilalis. Effects of combining beauveria bassiana and nosema pyrausta. The european corn borer, ostrinia nubilalis, is the most important pest insect of corn zea maize in germany, other european countries and historically in north america. Popcorn was evaluated for its potential as a refuge for european corn borer, ostrinia nubilalis hubner and the corn rootworm complex, which includes western, diabrotica virgifera virgifera leconte, and northern, diabrotica barberi smith and lawrence, corn rootworms. Dec 28, 2014 ostrinia nubilalis hubner taxonomic placing.
Ostrinia nubilalis parasitism and the field abundance of nontarget insects in transgenic bacillus thuringiensis corn zea mays volume 1 issue 1 denis bourguet, josette chaufaux, annie micoud, marc delos, bernard naibo, fany bombarde, gilles marque, nathalie eychenne, carine pagliari. Ostrinia nubilalis, plos one, 2018, volume, issue 7. However, in europe only a few reports on naturally occurring biotic mortality factors are available. Effects of combining beauveria bassiana and nosema pyrausta on the mortality of ostrinia nubilalis chronic debilitating infections, better suited for classical biocontrol. In 1998, we collected ostrinia nubilalis hubner larvae from transgenic bt corn novartis hybrid 176 and nonbt corn at four geographical sites. Keyword ostrinia nubilalis remove constraint keyword. Ichneumonidae, a new parasite of the european corn borer, ostrinia nubilalis hubner lepidoptera. Sequence variation in the cadherin gene of ostrinia nubilalis. Ostrinia nubilalis pyrunuoverview eppo global database. Pdf carotenoids moderate the effectiveness of a bt gene. Notes on taxonomy and nomenclature top of page the genus ostrinia includes 20 species mutuura and munroe, 1970. The european corn borer, ostrinia nubilalis lepidoptera.
Jul 10, 2018 carotenoids moderate the effectiveness of a bt gene against the european corn borer, ostrinia nubilalis article pdf available in plos one 7. Categories have been assigned by the eppo secretariat on the basis of available data at the time of entry. It is a pest of grain, particularly corn maize or zea may. Contact individual photographers for permission to use for any purpose. However, it is not a legal authority for statutory or regulatory purposes. Pdf the european corn borer ostrinia nubilalis is one of the most important insect pests of maize, and has a significant impact on the. T1 evaluating resistance to bt toxin cry1ab by f2 screen in european populations of ostrinia nubilalis lepidoptera. This study aimed at enhancing the transcriptomic resources for two sibling species of moths, ostrinia scapulalis adzuki bean borer and ostrinia nubilalis european corn borer, as a foundation for future researches on their divergence history. Guide to insect borers in north american broadleaf trees and shrubs. Asian corn borer, ostrinia furnacalis guenee, is a severe pest that infests cultivated maize in the major production regions of china. Partial mitochondrial genome sequences of ostrinia.
Ostrinia nubilalis revised in 1994, eppo bulletin 10. Mar 18, 2016 the european corn borer, ostrinia nubilalis, is the most important pest insect of corn zea maize in germany, other european countries and historically in north america. European corn borer, ostrinia nubilalis hubner insecta. Past and present article pdf available in biological control 122 april 2018 with 301 reads how we measure reads. All structured data from the file and property namespaces is available under the creative commons cc0 license. The female is pale yellow to light brown, with dark, wavy bands across the darkyellow forewings, length about 1215 mm. Crambidae poster pdf available march 2017 with 106 reads. If the file has been modified from its original state, some details may not fully reflect the modified file. Pdf sugars affect oviposition behaviour of european corn. Ostrinia nubilalis, a crambid moth native to europe, known as an agricultural pest.
Suppression of ostrinia nubilalis hubner lepidoptera. Map of ostrinia nubilalis sample collection sites from infested regions of north america. Crambidae, is a perennial insect pest of cultivated maize that was inadvertently introduced into north america in the early 1900s, but population densities have decreased since the widespread adoption of transgenic hybrids that express bacillus thuringiensis bt toxins. Ostrinia nubilalis pyrunuhost plants eppo global database. The european corn borer was first reported in north america in. Among trichogramma species used, a good efficacy in reducing attack of. Caterpillar of european corn borer ostrinia nubilalis image. European corn borer is thought to have originated in europe, where it is widespread. They correspond to an evaluation of the biological importance of the host plant for the pest concerned, together with the economic importance of this plant for the eppo region. Current european corn borer, ostrinia nubilalis, injury levels in the northeastern united states and the value of bt field corn. If you do not see its contents the file may be temporarily unavailable at the journal website or you do not have a pdf plugin installed and enabled in your browser. Insecta, ostrinia nubilalis, entomopathogen, beauveria bassiana. All structured data from the file and property namespaces is. General information about ostrinia nubilalis pyrunu name language.
Although acute and chronic agents are often applied independently, the combination of slowacting and acute pathogens with different modes of action may. Choice tests were conducted to determine feeding preferences of european corn borer, ostrinia nubilalis hubner lepidoptera. Evaluating popcorn as potential refuge for european corn. Evaluating resistance to bt toxin cry1ab by f2 screen in. Contiguous 14,535 and 14,536 nt near complete mitochondrial genome sequences respectively were obtained for ostrinia nubilalis and ostrinia furnicalis. Screening of bacillus thuringiensis against the asian corn borer, ostrinia furnacalis guenee and the diamond back moth, plutella xylostella l. Genetic structure of asian corn borer, ostrinia furnacalis. Repetitive genome elements in a european corn borer. Alternatively, you can download the file locally and open with any standalone pdf reader. The european corn borer ostrinia nubilalis, also known as the european corn worm or european highflyer, is a moth of the family crambidae which includes other grass moths. The native american lotus borer, ostrinia penitalis. Ostrinia nubilalis, neonates, larvae, feeding preferences, host preferences, food plants, zea mays, corn, alternative hosts, weed hosts abstract. This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. Sequence variation in the cadherin gene of ostrinia.
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