Planetella billoti (Kieffer, 1909)
on Carex
gall
Fusiform unilocular pustules, 5-8 x 2-3 mm, with a thin, leathery wall, of the base of the leaves, often several together. Larva solitary, white.
hostplants
Cyperaceae, narrowly monophagous
Carex davalliana.
larva

spatula (from Kieffer, 1901a)
synonyms
Hormomyia billoti.
references
Buhr (1964b), Gagné (2010a), Kieffer (1901a, 1909a), Ševčík, Hippa, Burdíková, ao (2023a), Skuhravá & Skuhravý (2021a: 65), Skuhravá, Skuhravý, Dauphin & Coutin (2005a).