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Feeding by the cotton stainer also interferes with the Adults have a dark pattern on their red backs but young ones are only red or pink. these is the cotton stainer, Dysdercus suturellus (Herrich- Schaeffer). Cotton stainer (red cotton bug) was often treated as a minor pest earlier but due to the consequent adoption of such cotton varieties have allowed the cotton stainer The stainers attack cotton seeds and bolls. Dysdercus cingulatus is a species of true bug in the family Pyrrhocoridae, commonly known as the red cotton stainer. CHI2 overexpression constructs showed higher efficiency in host killing suggesting that the production of this chitinase by a constitutive promoter reduces the time necessary to kill the insect. Cotton stainers are attacked by a range of natural enemies; the most important are assassin bugs, ants, spiders, birds and parasitic flies. It is the only genus in the family Pyrrhocoridae that includes insects of economic importance. This species lost its importance on cotton Chemical Control. Morrill (1910) stated the cotton stainer was the most destructive cotton pest in Florida. Cotton stainers 22. It damages developing bolls by puncturing seeds and causing plant sap to exude from the feeding site. Pomeroy AWJ; Golding FD, 1923. Pale cotton stainer bug (Dysdercus sidae) Pale cotton stainer bugs generally arrive in cotton around the time of first open boll. Red cotton bug : Dysdercus cingulatus ( Pyrrhocoridae : Hemiptera ) Adults are bright red coloured bugs with eyes, scutellum and antennae are black in colour Ventral side of the abdomen with white stripes A prominent black spot is present on each side of the hemelytron 23. Caging chickens in cotton plots using chicken wire may control cotton stainers; about 15 birds will keep about 0.1 ha free of stainer bugs. This cotton stainer damages cotton plants by sucking the sap and destroys the cotton bolls by staining them with excrement. Currently, the cotton stainer is a minor pest of cotton, and then only in the southern part of the state. Always consider an integrated approach with preventive measures and biological treatments if available. Annual Bulletin of the Department of Agriculture of Nigeria, 2:23-58. Observations on the life histories of cotton stainers bugs of the genus Dysdercus, and on their economic importance in Southern provinces of Nigeria. The cotton stainer is a bug, sometimes called the red bug or red cotton stainer. Other articles where Cotton stainer is discussed: red bug: The genus Dysdercus is one of the most destructive cotton pests in North America and India. As they feed, the bugs produce a Prasad A; Saxena SC, 1990. Immature stages are smaller but resemble adults without wings. The Genus Dysdercus. Cotton stainer (Dysdercus suterellus [Herrick-Schaffer]) Identification. At one time small piles of sugarcane were put between rows The length is inch or slightly longer. The foliar application of insecticide formulations containing chlorpyrifos, esfenvalerate, bifenthrin, deltamethrin, lambda-cyhalothrin or indoxacarb works against the pink bollworm and has shown to reduce dusky cotton stainer population as well. To access the effects of CHI2 chitinase in virulence, the cotton stainer bug Dysdercus peruvianus was used as a host. They can range from cm to 1 cm in length. Dysdercus is a large genus of plant bugs distributed across subtropical, tropical, and some temperate regions of both the Old and New Worlds. The plant sap stains the lint an indelible yellow color. This is a good option for small plots grown next to the homestead. About 75 species are recognized worldwide and are collectively known as cotton stainers ( Schaefer and Ahmad 2000). Adults mate soon after arrival resultng in an expanding population of developing nymphs. The cotton stainer is mainly a pest of long staple cotton. The head and pronotum are bright red; the remainder of the body is dark brown crossed with pale yellow lines. The adult cotton stainer is a "true bug" with piercing, sucking mouthparts. It is a serious pest of cotton crops, the adults and older nymphs feeding on the emerging bolls and the cotton seeds as they mature, transmitting cotton-staining fungi as they do so.
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