异绒螨Allothrombium sp.是二点叶螨(棉红蜘蛛)的重要天敌之一。其若、成螨对二点叶螨捕食能力强,食量大。现将近几年来观察研究的初步结果整理如下,供参考。 一、形态特征 成螨(图1)体长2.5—3.5毫米,体宽1.2—2.1毫米,深红色,周身密布针叶松枝形体毛(图2:1),有明显肩部,脊分为头脊、中央脊和 Allothrombium sp. Is one of the important natural enemies of two-spotted spider mites (cotton spider mites). If its, mites on the two-point spider mite predation ability, food intake. In recent years, the preliminary results of observational studies are summarized below for reference. First, the morphological characteristics of adult mites (Figure 1) Body length 2.5-3.5 mm, body width 1.2-2.1 mm, dark red, whole body dense coniferous branches fur (Figure 2: 1), there are obvious shoulders, the ridge is divided into head Ridges, central ridges and