Maeda stalk stalks

The scientific name is Ostrinia kurentzovi Mutuura et Munroe, which belongs to the order Lepidoptera, Gnatidae. Distributed in Heilongjiang (Acheng, Shangzhi), Inner Mongolia (Zhalantun), former Soviet Union.

Host hops, hemp, cocklebur, wild rice, corn.

Morphological characteristics are similar to those of European corn borer, wild stalks, and bean pods. However, the middle foot of the male moth is moderately swollen, with burrs shorter than the tarsal trichomes and burrows, and the trichomes are smaller. Closely, with no hooked ends at the ends. Female moths, eggs, larvae, cockroaches are not easy to distinguish.

Living habits were born on the side of a slope in Shangzhi County, Heilongjiang, and the old mature larvae lived in winter in hops and other host stalks. In June of the following year, phlegm began. In 1982, a spot-spot trap was set up on a sloping hop field. From mid-June to mid-August, adults could be induced one after another. The amount of worms was highest on July 1 and was not induced again after August 20. There are many holes in the vicinity of the joint between the petiole and the vine. In severe cases, it can cause rattan to fold. August 1986

On the 22nd, a survey was conducted at a sloping hop field, with a rate of 87% and a total of 260 sorghum vines, and the largest number of sorghum holes were 9 sorghum holes. (The sorghum holes were Asian corn borer, stalk stalks, and stalk pods. ). Of the 30 male moths raised from a sloping vine, 16 Asian corn borers accounted for 53.3%; 12 hops were wild culms, accounting for 40%; accordingly, about 40% of pod bores were hops. Due to stalks.

The control method refers to Asian corn borer.

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