chinch
/tʃɪntʃ/(亦作chinch bug)
noun
1- a plant-eating ground bug that forms large swarms on grasses and rushes麦长蝽。
1.1
- Two species in the family Lygaeidae, suborder Heteroptera: the American Blissus leucopterus, which is a major pest of cereal crops, and the European Ischnodemus sabuleti.长蝽科中2种, 半翅亚目：美洲谷长蝽和欧洲的沙居窄长蝽, 前者为主要谷物害虫。
词源
early 17th cent. （in the sense 'bedbug'）： from Spanish chinche, from Latin cimex, cimic-.