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The cotton bollworm is very variable in both size and colour. The body length varies between 12 and 20 millimetres (1 ⁄ 2 and 3 ⁄ 4 in) with a wingspan of 30–40 millimetres (1 + 1 ⁄ 4 – 1 + 1 ⁄ 2 in). The fore wings are yellowish to orange in females and greenish-gray in males, with a slightly darker transversal band in the distal ...
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. When the end of the dry season comes, the rain cools the soil and pupae come out of diapause." (Nibouche 2004)
3.1 Damage. 3.2 Control. 4 ... including the cotton bollworm and the tomato ... the chemical signals from the host plant supersede the effect from the time of day. ...
They chew through the cotton lint to feed on the seeds. Since cotton is used for both fiber and seed oil, the damage is twofold. Their disruption of the protective tissue around the boll is a portal of entry for other insects and fungi. The pink bollworm is native to Asia, but has become an invasive species in most of the world's cotton-growing ...
Earias insulana, the Egyptian stemborer, Egyptian bollworm, spiny bollworm or cotton spotted bollworm, is a moth of the family Nolidae. The species was first described by Jean Baptiste Boisduval in 1833. It is found in most of Africa, southern Europe, the Near East and Middle East, Japan, Taiwan, the Philippines, Australia and Hawaii.
Pectinophora is a genus of moths in the family Gelechiidae.Perhaps the best known species is the pink bollworm, Pectinophora gossypiella (Saunders). P. gossypiella is one of the world's most destructive insect pests that causes terrible damage to cotton bolls.
With lives and livelihoods claimed by climate-induced flooding, Pakistan cotton — and the apparel sector — is in flux. Pakistan Still Assessing Cotton Damage, Road of Recovery Ahead Skip to ...
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