Cryptonevra Lioy, 1864

Genus overview. Belongs to the tribe Mindini (Riccardi & Amorim 2020) . It has nine valid species in the Palearctic region (Ismay et al. 2021) where the species live in galls of reeds as inquilines (Nartshuk & Andersson 2013). The diagnostic morphological features of Cryptonevra include body black with yellowish tarsi (Fig. 3A); gena about as wide as postpedicel height; wing with crossveins approximated, R4+5 and M1 divergent (Fig. 3A); tibial organ present; male mid femur usually with distinct femoral organ; male terminalia without anal sclerites, mesolobus never wider than long, surstylus short, with wide base and apex with spines (see Ismay et al. 2021; Riccardi & Amorim 2020).