大皱蝽Cyclopelta obscnra(Lepeleter—Serville)属半翅目蝽科。主要为害豆科植物,对刺槐及紫荆为害更重。我们于1979—1981年在贵阳市花溪本院区内对其生物学进行了初步观察,现将结果整理如下:形态特征成虫雌成虫体长12—15毫米,宽6.5—7.5毫米;雄成虫体长11.5—13.5毫米,宽6.5—7.5毫米。体黑褐色,有时微带红色,无光泽,前胸背板后半有明显的平行横皱,体背其余部分均较粗糙而似有不明显的横皱。触角多细毛,第2节和第3节较扁 Cyclopelta obscnra (Lepeleter-Serville) belongs to the family Heteroptera. The main damage to legumes, more damage to the black locust and Bauhinia. We conducted a preliminary observation of its biology in 1979-1981 in Huaxi Hospital, Guiyang. The results are summarized as follows: Morphological characteristics Adult female adults 12-15 mm in body length and 6.5-7.5 mm in width; male adult body Length 11.5-13.5 mm, width 6.5-7.5 mm. Body dark brown, and sometimes slightly reddish, dull, the latter half of the chest and back have obvious parallel transverse wrinkles, the rest of the body back are more rough and there is no obvious horizontal wrinkles. Few hairs, 2 and 3 flattened