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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.
Oxycarenus laetus is a polyphagous insect, feeding on the seeds of a number of plants in the Malvaceae family. As well as being a pest of cotton (Gossypium spp.) crops, this insect is found on Abutilon indicum (Indian mallow), Sida acuta (common wireweed) and Thespesia populnea (portia tree). On these plants, populations are at their highest ...
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 ...
Although some insects are polyphagous, many are restricted to one specific crop, or group of crops. In many cases it is the larva that feeds on the plant, building up a nutritional store that will be used by the short-lived adult; sawfly and lepidopteran larvae feed mainly on the aerial portions of plants while beetle larvae tend to live ...
Cotton bollworms are a significant pest of cotton. [1] "A major pest in hot countries of irrigated crops. 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.
The adult insect is slender, about 1 to 1.5 cm (0.4 to 0.6 in) long, with a red thorax and dark brown wings marked with a yellow cross. It is native to the southeast of the United States, Jamaica and Puerto Rico. It is a pest of cotton crops and other plants, the adults and older nymphs feeding on the emerging bolls and the ripening seeds. [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
Spodoptera litura, otherwise known as the tobacco cutworm or cotton leafworm, is a nocturnal moth in the family Noctuidae. S. litura is a serious polyphagous pest in Asia, Oceania, and the Indian subcontinent that was first described by Johan Christian Fabricius in 1775. [1] Its common names reference two of the most frequent host plants of the ...