the Z variant has a cis- configuration. A mixture of isomers is much more efficient in attracting the moth than a single component. The larva feed on the corn whorl and burrow into the stalk and ear. Bt corn, a variety of genetically modified corn, has had its genome modified to include a synthetic version of an insecticidal gene from the Bacillus thuringiensis kurstaki. The damage to the leaves reduces photosynthesis. The average refractory period between matings for the male.6 days. Total development before pupation lasts 50 days on average.
Ellison; Hendrix, William. Fadamiro, Henry Y; Baker, Thomas C (1999). Alguien intent borrar del mapa esta ciudad anoche. During the winter, the European corn borer stays in its larval stage. This decreases agricultural yield. 2, since its initial discovery in the Americas, the insect has spread into. 6 Male investment edit The male European corn borer produces a spermatophore ejaculate that contains spermatozoa to fertilize the female and protein to nourish the female, a nuptial gift. Journal of Economic Entomology. The egg masses are all laid within five leaves of the central ear leaf. In a large planting of sweet corn, intercropping with buckwheat, dill and coriander can prevent corn borer problems. Any of various insect larvae that infest corn and other crops, especially the European corn borer. The first generation of corn borers which develops during the late spring feeds on the leaves and stalks of corn plants.
The insect is native to Europe, originally infesting varieties of millet, including broom corn. Contents, geographic range edit, the European corn borer is native to Europe and was introduced to North America in the early 20th century.