Polystepha symmetrica
(Osten Sacken, 1862)
Polystepha symmetrica is a of gall midge in the Cecidomyiidae, described by Osten Sacken in 1862. As a member of the Polystepha, this species is associated with oak gall formation, though specific gall and interactions remain incompletely documented. The species name refers to symmetrical features of the or gall structure.
Pronunciation
How to pronounce Polystepha symmetrica: /pɒlɪˈstiːfə sɪˈmɛtrɪkə/
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Ecological Role
Gall midges in the Polystepha are gall-formers on oaks (Quercus spp.), inducing abnormal plant growth that provides protected and nutrition for developing larvae.