Chinch Bug Identification and Treatment can be difficult. The southern chinch bug, Blissus insularis, is one of the most important insect pests of St. Augustinegrass in Austin Texas. Although most damaging in Gulf Coast regions and in the southern half of the state, chinch bugs can be a problem anywhere St. Augustine is grown. Chinch bugs prefer hot, dry environments. Dry weather enhances survival of chinch bug nymphs and eggs by reducing the incidence of disease. Also, droughtstressed lawns are especially more susceptible to chinch bug injury, therefore, proper irrigation is crucial to Chinch bug population control.
Although the southern chinch bug is a serious pest in St. Augustinegrass lawns, it will feed on zoysiagrass, centipedegrass, bahiagrass, or bermudagrass. The common chinch bug, Blissus luecopterus, is a closelyrelated species that is a pest of grain crops in Texas and throughout the Midwest. This species also occasionally damages turfgrass and may be responsible for infrequent reports of chinch bugs in bermudagrass, fescue, and zoysiagrass lawns.

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