Common Name : Dusky cotton bug Gaa4YxdnRpjgB4KjA13v
Scientific Name : Oxycarenus hyalipennis
Family : Lygaeidae
Order ; Hemiptera
Insect Description:
Eggs are cigar shaped and whitish immediate to oviposition. They turn pale then to pink before hatching. Early instar nymph is about 2.5 mm long with its rostrum extending the abdomen. They are orange in colour when about to moult. After the first moult the nymphs become reddish brown then become darker after each moult. Adults are 4-5 mm elongated with pointed heads, dusky brown with dirty white transparent wings and black spots on fore wings and having deep red legs. Nature of Damage:
Nymphs and adults suck the sap gregariously from immature seeds which do not ripe, remain lightweight. Adults found in the lint get crushed during ginning emitting bad odour and stain the lint.Symptoms:
Being associated with t he open bolls, t hey cause nuisance to workers during cotton picking. Discol or ation oft he lint wit h large number of nymphs and adults of brown to black colour are common.
Management
- Spray phosphamidon 100 EC@250 ml/ha
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