Cryptonevra Lioy, 1864

Riccardi, Paula Raile & Ang, Yuchen, 2024, New species and new records of Chloropinae from Singapore (Diptera: Chloropidae), Zootaxa 5458 (1), pp. 83-92 : 87

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).

Figures

FIGURE 3. Cryptonevra argenteum sp. nov. diagnostic features. A, habitus (scale bar 1 mm). B, head and thorax dorsal, holotype. C, head dorsal, paratype. D, male mid femur apex; arrow points to an expansion. E, wing. F, male terminalia, profile. G, male terminalia, terminal view. H, hypandrium + phallic complex ventral, paratype (scale bar 0.1 mm). Abbreviations: an, anepisternum; ba, basiphallus; di, distiphallus; ep, epandrium; hy, hypandrium; me, mesolobus; ph, phallapodeme; ph sc, phallapodemic sclerite; pr, pregonite; po, postgonite; su, surstylus.