葡萄瘿蚊Cecidomyia sp.属双翅目、瘿蚊科。以幼虫在葡萄果实内食害,致使果粒不能正常生长而造成损失。1962年以来山西省太原、太谷、长治、运城等地均有发现。 一、形态 成虫(图1:1) 体长3毫米左右,翅展7毫米左右。头小、复眼黑色,触角丝状14节。雌虫触角端部三节与雄虫不同(图2:4、5)。口器吻状,下颚须一对、3节。中胸发达,翅膜质 Cecidomyia sp. Is a Diptera, Culicidae family. The larvae eat grapes in the fruit, causing the fruit can not grow normally and cause damage. Since 1962 in Taiyuan, Shanxi Province, Taigu, Changzhi, Yuncheng and other places have been found. First, the morphological adult (Figure 1: 1) Body length of about 3 mm, wingspan about 7 mm. Head small, compound eyes black, antenna filiform 14. The three females end of the antennae and male different (Figure 2: 4,5). Mouthpiece kiss, jaw to be a pair, 3 knots. Middle breast developed, wing membrane quality