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柳梢瘿蚊是近期在陕西关中地区新发现的一种危害柳絮和柳树枝梢的重要害虫。作者通过观察,文中对其形态特征作了详细描述,并对其生活史、习性、危害特点进行了记载和分析研究。该虫在陕西关中东部1年发生5代,以幼虫在被害枝条的虫瘿内越冬。成虫寿命1d左右,幼虫3龄蜕皮前老熟、蛹期7～8d,卵期3～4d。树冠阳面较阴面受害重,春、秋梢受害重,夏梢受害较轻,被害柳梢结瘿枯死,造成树势衰弱,小树受害后,主杆弯曲,多头丛枝。
Willow tip mites mosquito is a newly discovered pest in the Guanzhong region of Shaanxi Province that threatens catkins and willow branches. Through observation, the author described the morphological characteristics in detail, and recorded and analyzed the life history, habits and harm characteristics. The insects occurred in the eastern part of Guanzhong in Shaanxi for 5 generations in one year, with the larvae overwintering in the insects of the damaged branches. Adult life about 1d, 3rd instar larvae molting before maturity, pupal stage 7 ~ 8d, egg stage 3 ~ 4d. Canopy sun side of the more negative victims, spring, autumn tip victims, summer shoots less damage, the victim willow wilt death, resulting in frail weakness, the tree victims, the main pole bending, long branches Cong.