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甘薯小象(虫甲)是我国对内植物检疫对象之一,随着一些单位在海南岛崖县、陵水县繁育良种,开始传入我省,应认真检查防治。一、虫态特征:小象(虫甲)也叫小象鼻虫、小蚁虫或“蛀心虫”。成虫的触角、前胸和足为红褐色,其余部分为兰黑色且发亮有光泽。雄虫体长5—8毫米,触角末节圆筒形,长约二倍于其余各节之和。雌虫体长4.8—7.9毫米,触角末节卵形,短于其余各节之和。幼虫体长5—8.5毫米,背面及两侧多杂有淡红色的斑纹。
Sweet potato (elephant pest) is one of the objects quarantine plants in China. As some units breed in Lingya County and Lingshui County of Hainan Province, they will be introduced into our province and should be carefully checked and controlled. First, the pest state characteristics: Baby elephant (pest) also called small weevils, small ants or “bore worm worms ”. Adult antennae, chest and feet are reddish brown, the rest is blue and black and shiny shiny. Male body 5-8 mm in length, antennae distal cylindrical, about twice as long as the sum of the remaining sections. Female body length 4.8-7.9 mm, tentacles oval, shorter than the sum of the remaining sections. Larvae body length 5-8.5 mm, the back and sides are more mixed with light red markings.