单词horsefly
n.: 虻网络: 马蝇；牛虻；厩蝇
虻:
a large fly that bites horses and cows
虻
复数：horseflies
Notes on blood-sucking Diptera in Qinghai oil field 2. Pestiferous midge and horsefly
青海油田吸血双翅目昆虫调查2.危害蠓类和虻类