Stigmaeopsis nanjingensis (Ma & Yuan, 1980)

on bamboo

Phyllostachys aureosulcata, Hungary, Budapest, arboretum, 9.v.2018 © László Érsek

detail

underside of a leaf with webbings

10.iii.2020, mites and eggs below their webbings

webbings removed

mites

parasite

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.

host plants

Poaceae, narrowly oligophagous

Phyllostachys aureosulcata, edulis, nigra; Pseudosasa japonica.

references

Gerdeman & Tanigoshi (2004a), Pellizzari & Duso (2009a), Seljak (2013a).