异形眼蕈蚊(Phyxia scabiei Hopk.)雌成虫无翅,头胸部不发达,腹部粗大,多爬行或跳跃,雄成虫具有一对翅。寄主复杂,以为害生姜等块茎,块根类蔬菜为主,自然条件下在原寄主田以幼虫越冬,菜窖内无越冬期。成虫不取食,有趋光性,幼虫行隐蔽式生活,常在寄主表皮下取食,易引起局部腐烂,抗逆力强,在4～35℃及腐烂的寄主条件下均能生存,各代历期随温度的升高而缩短。 Female adults of Phyxia scabiei Hopk. Are wingless with undeveloped head and throat, thick belly, more crawling or jumping, and adult male with a pair of wings. Host complex, that ginger and other tubers of rhizomes, root vegetables, mainly in the original host to the larvae overwinter, no winter in the vegetable cellar. Adults do not feed, have phototaxis, larvae concealed life, often in the host epidermis feeding, easy to cause local decay, strong resistance, at 4 ~ 35 ℃ and rotten host conditions can survive, each generation The period decreases with increasing temperature.