Ephemera, 2021 (2022), tome 23 (2) : 73-86 (14 pages)

Orthocladius (Orthocladius) montisdei sp. n. and O. (O.) queyrassianus sp. n., two new species with reduced antennae from continental France (Diptera, Chironomidae)

par Joël Moubayed, Peter H. Langton, Gennaro Coppa & Pierre Clévenot