Dispersal Behavior of Neonate European Corn Borer (Lepidoptera: Crambidae) on Bt Corn
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چکیده
منابع مشابه
Aggregation and Dispersal Behavior of Marked and Released European Corn Borer (Lepidoptera: Crambidae) Adults
To observe the aggregation and dispersal behavior of adult European corn borer, Ostrinia nubilalis (Hu ̈ bner), males in search of mates, two populations were marked, each with a different dye. One population was continuously reared in the laboratory (.5 yr) and the other was collected annually from the Þeld. From 1986 to 1988, marked adults were released in two release sets per year, with three...
متن کاملDispersal of newly eclosed European corn borer adults (Lepidoptera: Crambidae) from corn into small-grain aggregation plots.
Genetically modified, insecticidal Bacillus thuringiensis (Bt) corn, Zea mays L., hybrids are used throughout the Corn Belt for European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae), control. To slow development of Bt corn resistance, the Environmental Protection Agency requires growers to plant a refuge. Determining the appropriate distance between a refuge and Bt corn, and...
متن کاملDispersal of adult European corn borer (Lepidoptera: Crambidae) within and proximal to irrigated and non-irrigated corn.
The European corn borer, Ostrinia nubilalis (Hübner), causes economic damage to corn, Zea mays L., throughout the Corn Belt. Because this insect has become the primary target of Bacillus thuringiensis Berliner (Bt) transgenic corn, current efforts addressing the management of O. nubilalis resistance to Bt corn require information on adult European corn borer dispersal and factors affecting its ...
متن کاملQuantitative assessment of biotic mortality factors of the European corn borer (Lepidoptera: Crambidae) in field corn.
Five treatments were used to exclude naturally occurring predators and parasitoids, based on body size and flight ability, to assess their effect on Ostrinia nubilalis (Hübner) populations on corn plaits. Two initial O. nubilalis egg densities (one egg mass and three egg masses per plant) were assigned to each treatment. Egg predation was higher in uncaged treatments than in caged treatments. F...
متن کاملLate-instar European corn borer (Lepidoptera: Crambidae) tunneling and survival in transgenic corn hybrids.
Field studies were conducted in 1996 and 1997 to determine injury by and survival of late-instar European corn borer, Ostrinia nubilalis (Hübner), on genetically altered Bacillus thuringiensis Berliner corn, Zea mays L. Cry1Ab events 176, Bt11, MON810, and MON802; Cry1Ac event DBT418; and Cry9C event CBH351 were evaluated. Plants of each corn hybrid were manually infested with two third-, fourt...
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ژورنال
عنوان ژورنال: Journal of Economic Entomology
سال: 2012
ISSN: 0022-0493,0022-0493
DOI: 10.1603/ec11288