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危害平菇的害虫种类很多,从目前国内的报道来看,大多数是双翅目害虫或螨类,但我们发现两种夜蛾科害虫对平菇的危害亦很严重,现将观察结果初报如下: 一、形态特征 (一)星狄夜蛾:学名Diometa cremeta Butler。成虫:翅展28～30毫米左右,体长11～13毫米,整体浅黑色,前翅紫黑色有光泽,基部浅黑色。基横线黄白色外曲,内横线后半部不清晰,中横线黑色前中部外曲;肾纹
Pest species that endanger the growth of Pleurotus ostreatus are many. From the current domestic reports, most of them are Diptera pests or mites. However, we found that the two species of Noctuidae are also very harmful to Pleurotus ostreatus. Reported as follows: First, the morphological characteristics (a) Star Diptera: scientific name Diometa cremeta Butler. Adult: wingspan 28 to 30 mm or so, body length 11 to 13 mm, the overall light black, black and white wings, shiny, base black. Base horizontal yellowish white outside the song, the horizontal line is not clear the latter half, the middle horizontal black front of the outer curve; kidney lines