In this order the forewings are modified to form hard elytra or cases . 该目昆虫的前翅发展成坚硬的鞘翅或壳。
2.
In addition the auther extracts insect color feature , yellow spot color feature and protergum and proala crustacea texture feature 提取了鞘翅上黄斑颜色特征以及前胸背板和鞘翅的纹理特征。