Cnodacophora stylifera
Identification: Thorax: Many areas are polished black, including pteropleuron and large areas of mesonotum. Head: Long palpi
Antennae: Pedicel (2nd antennal segment) pale, yellowish brown. Wing: without darkened apex
Males: A metathoracic process ("rudder") projecting between the hind coxae (see figure)
Size: 5.3 mm (smaller than C. sellata ) Wing length 3.6-4.6 mm
Distribution
World: In Ozerov, 1990, Calobata nasoni Cresson,1914 is reduced to a synonym of Cnodacophora stylfera Loew, 1870 making this species Holarctic
Europe: European Countries (source: Sumner, 2018), online at Fauna Europaea, Occurrences at GBIF
UK: Recording Scheme map of occurrences 2016 (verified.) Online (NBN Atlas) via Easy maps or Interactive Atlas
Unknown. Slovakian specimens from Carex and grass dominated vegetation along a dead arm of the Xuriec river and amongst Carex acuta in a boggy meadow near Michalová,. (Roháček, 1990 & 2012). Austrian specimens from young growth of the reed Phragmites australis in Enns river valley near Admont. In Scotland the site is a sandy silt deposit at the intersection of the Rivers Spey and Nethy dominated by Carex rostrata (Sumner)