Stigmaeopsis nanjingensis (Ma & Yuan, 1980)
Phyllostachys aureosulcata, Hungary, Budapest, arboretum, 9.v.2018 © László Érsek
underside of a leaf with webbings
10.iii.2020, mites and eggs below their webbings
Colonies of mites live below a circular webbing that becomes denser with the age of the colony. The mites are sub-social: the colony is defended against predatory mites and there is a communal latrine. The upper side of the leaves develops rounded or oval spots.
Poaceae, narrowly oligophagous
Gerdeman & Tanigoshi (2004a), Pellizzari & Duso (2009a).