A kind of mushroom class moisturizing wasp excluder has a staving, there is an accommodating space to accommodate space packet inside it, two opposite ends of this staving axial direction are respectively a first end and a second end, wherein first end is in open shape and has an opening, and second end has a blocking portion in closed, this blocking portion is equipped with the air hole of perforation, and has on a covering element covering what air hole with moisture-keeping functions. Accordingly, this staving and its blocking portion of second end form the cover of a cover what space packet one end, and this staving can carry out the axial displacement of opposite what space packet, can adjust the space for cultivating bucket cover what space packet at any time for mushroom class upgrowth situation.一種菇類保濕防蟲器具有一桶體，其內部有一用以容置太空包之容置空間，此桶體軸向之兩相對端分別為一第一端及一第二端，其中第一端呈開放狀而具有一開口，而第二端呈封閉狀而具有一阻擋部，此阻擋部設有貫通之透氣孔，且有一具有保濕功能之遮蓋元件覆蓋於透氣孔上。據此，此桶體及其第二端之阻擋部形成一罩於太空包一端之罩體，且此桶體可進行相對於太空包之軸向位移，以針對菇類生長狀況而可隨時調整培植桶罩於太空包之空間。
