紫斑谷螟Pyralis farinalis(L.)(图1—6) 椭圆至卵形或倒卵球形,0.52±0.03×0.37±0.02mm。卵的前部通常标记着各种长度不等的横或纵的褶皱(图1)这种褶皱往往因对边融合成圈状,这些圈部分或全部地封闭。卵前端有时收缩形成一个乳头状突 Pyralis farinalis (L.) (Fig. 1-6) oval to ovate or obovoid, 0.52 ± 0.03 × 0.37 ± 0.02 mm. The front of the egg is usually marked with a variety of horizontal or vertical folds of varying length (Fig. 1). Such folds tend to fuse into loops on the opposite sides, and these loops are partially or totally closed. Egg fronts sometimes contract to form a papilla