棉茎象鼻虫是为害棉花茎部象鼻虫科的一种害虫。成虫体长3—3.5毫米,背面黑褐色,腹面灰褐色,体及足上生灰色毛,头半圆形,有细小点刻,口吻弯曲,几与前背板等长。前背板中央有近似两三角形合并之黑纹,后缘中部有一锐长白色三角纹。两复眼较大,中间距离极短,几相接触。触角出自口吻先端约三分之一处的侧方,翅鞘近前背板处稍宽,翅鞘 Cotton weevil is a pest that infects the weevil family at the stem of cotton. Adult body length 3-3.5 mm, dark brown back, ventral gray brown, gray body hair and feet on the body, the first semicircle, a little bit engraved, kiss bending, a few times as long as the front back. The back of the front center of the approximate two-triangle merged black stripes, the middle of the rear edge has a sharp long white triangular pattern. Two large eyes, the middle of a very short distance, a few contacts. Tentacles come from the apex of the kiss about a third of the side, a little wider near the front of the sheath, sheath