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The pink bollworm (Pectinophora gossypiella; Spanish: lagarta rosada) is an insect known for being a pest in cotton farming. The adult is a small, thin, gray moth with fringed wings. The larva is a dull white caterpillar with eight pairs of legs [1] with conspicuous pink banding along its dorsum. The larva reaches one half inch in length.
Pectinophora scutigera, the Queensland pink bollworm or pinkspotted bollworm, is a moth of the family Gelechiidae. It was described by Holdaway in 1926 from Australia, where it occurs in coastal and central Queensland. It has also been recorded from Hawaii, New Guinea, Micronesia and New Caledonia. [1]
Bollworm is the common term for a moth larva that attacks the fruiting bodies of certain crops, especially cotton. The most common moths known as bollworms are: Red or Sudan bollworm, Diparopsis castanea; Rough bollworm, Earias perhuegeli; Spotted bollworm, Earias fabia; Spiny bollworm, Earias insulana; Spotted bollworm, Earias vittella
Cotton bollworms are a significant pest of cotton. [1] " A major pest in hot countries of irrigated crops. Enters into a summer diapause when irrigated crops are not present and the soil and air temperatures are high.
Pectinophora gossypiella – pink bollworm; Phthorimaea operculella – potato tuber moth, tobacco splitworm; Sitotroga cerealella – angoumois grain moth; Tecia solanivora (Povolny, 1973) – Guatemalan potato moth, Central American potato tuber moth; Tuta absoluta – tomato leafminer, South American tomato moth
The boll weevil (Anthonomus grandis) is a species of beetle in the family Curculionidae.The boll weevil feeds on cotton buds and flowers. Thought to be native to Central Mexico, [1] it migrated into the United States from Mexico in the late 19th century and had infested all U.S. cotton-growing areas by the 1920s, devastating the industry and the people working in the American South.
Helicoverpa punctigera, the native budworm, Australian bollworm or Chloridea marmada, is a species of moth in the family Noctuidae. This species is native to Australia . H. punctigera are capable of long-distance migration from their inland Australian habitat towards coastal regions [ 2 ] and are an occasional migrant to New Zealand .
Bt cotton was created through the addition of genes encoding toxin crystals in the Cry group of endotoxin. [1] When insects attack and eat the cotton plant the Cry toxins or crystal protein are dissolved due to the high pH level of the insect's stomach.