pink bollworm


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pink bollworm,

destructive larva of a moth, Pectinophora gossypiella. Probably of Native American origin, it is a serious pest of cotton in the S United States, chiefly along the Mexican border. The larva feeds on the blossoms, lint, and seeds of cotton and may pupate in the buds. It causes a 20% to 50% crop loss in infested areas. The pink bollworm is classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Lepidoptera, family Gelechiidae.

Pink Bollworm

 

(Pectinophora gossypiella), a moth of the family Gelechiidae; an injurious pest of cotton, kenaf, okra, and other plants of the family Malvaceae. The pink bollworm is distributed in many cotton-growing countries, including India, Iran, Afghanistan, Turkey, Japan, China, Korea, Greece, and Italy. The insect does not occur in the USSR, where it is an object of external quarantine.

The pink bollworm produces two to six generations per year. The moths deposit as many as 500 eggs on the flower buds, bolls, leaf buds, leaves, and stems of cotton and other plants. The caterpillars damage the generative organs of cotton, causing the flower buds, flowers, and green bolls to fall off the plant. Their discharges contaminate the fiber of mature bolls, making the fiber unsuitable for textile manufacture. The pink bollworm can cause a 20-to 80-percent reduction in the annual cotton yield.

Importing infected seeds and produce from the family Malvaceae is prohibited in the USSR. Control measures include the destruction of caterpillars found in seeds, cotton, and plant debris by fumigation. Other effective control measures are the use of insecticides on plantings, the destruction of post-harvest residue, the use of light traps to catch the moths, and the use of insect blood sterilants.

REFERENCE

Spravochnik po karantinnym i drugim opasnym vrediteliam, bolezniam i sornym rasteniiam. Moscow, 1970.

A. K. MARKIN

References in periodicals archive ?
The spokesman further disclosed that ginning waste should also be destroy for high yield of cotton as this waste serve as nursery for pink bollworm.
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These findings also, indicate that the ability of this new biopesticide (spinosad) to build up of resistance in the pink bollworm after the second generation of selection pressure.
Pink bollworm has been one of the most destructive pests of cotton worldwide and in the United States since it arrived here in the 1920s.
Effective control of pink bollworm (Pectinophora gossypiella), a pest that damages cotton bolls and has cost the U.
This again is a falsehood because it is well known that the additional gene is supposed to produce a toxin to kill tobacco caterpillar and not pink bollworm.
They said that attack chances of pink bollworm on early sown cotton increases keeping in view this possibility and in accordance with the recommendations of agricultural scientists and experts the department has taken a decision of ban on early sown cotton.
However, private estimates placed Indian cotton production even lesser at 366m bales because pink bollworm attack in Maharashtra and other cotton growing states extensively damaged cotton crop.
The lower output was mainly due to effects of climate change on the crop, besides pests like pink bollworm and whitefly.
Excessive rains and pest infestations, especially pink bollworm, thus had a detrimental effect on the last cotton crop," said Naseem Usman, a leading cotton trader.