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蜗牛和蛞蝓是常见的软体动物,以植物的根、茎和叶为食物,尤喜食幼芽和嫩叶。大发生时,对农作物造成严重危害。本文介绍十种常见的危害农作物的蜗牛和蛞蝓的分类,特征及生态环境。 (一)檞果螺科Cochlicopidae 1.滑槲果螺Cochlicopa lubrica Muller(图1) 俗名:早螺丝。 形态特征:贝壳小,似纺锤形,壳薄。壳面光滑而有光泽、半透明,呈褐黄色。有5—7个螺层,螺旋部较高。缝合线明显。壳顶钝。壳口呈梨形,周缘完正而锋利,轴缘垂直,内唇贴伏于体螺层上,有一半透明的胼胝部。无脐孔。壳高7毫米,壳宽2.8毫米,壳口2.3×1.5毫米(高×宽)。
Snails and slugs are common mollusks, which feed on the roots, stems and leaves of plants, especially young shoots and young leaves. When it happened, it caused serious harm to the crops. This article describes the classification, characteristics and ecological environment of ten common snails and slugs that are harmful to crops. (A) Cochlicopidae Cochlicopidae 1. Sliding nuts Cochlicopa lubrica Muller (Figure 1) Common name: Early screws. Morphological characteristics: small shell, spindle-shaped, shell thin. Smooth and shiny shell surface, translucent, brownish yellow. 5-7 spirals, spiral higher. Suture obvious. Shell top blunt. Shell mouth was pear-shaped, peripheral edge is complete and sharp, vertical axis, the inner lips attached to the body layer of spiral, with a semi-transparent callus. No umbilical hole. Shell height 7 mm, shell width 2.8 mm, shell mouth 2.3 × 1.5 mm (height × width).