Key to the species of the genus Dicranophragma known from Iberian Peninsula
1. Wing without spots, only stigma marked, sometimes poorly defined; light brown ......................... 2
– Stigma dark, well-marked, light brown spots at origin of Rs, median vein and basal end of discal cell ................................................................................................. D. (B.) adjunctum (Walker, 1848)
2. Stigma poorly defined, light-grey pleura, antenna reaching to about mid coxa, body length 6.0– 8.5 mm, wing length 6.0– 9.5 mm .................................................. D. (B.) nemorale (Meigen, 1818)
– Stigma light-brown, pleura grey to greenish gray, antenna barely reaches fore coxa, body length 7.0– 11.5 mm, wing length 7.4–10.5 mm ...................................... D. (B.) relictum Mederos sp. nov.