IRMNG Taxon list
Metretopus alter Bengtsson, 1930
Metretopus balcanicus Ulmer, 1920 accepted as Metreletus balcanicus (Ulmer, 1920)
Metretopus borealis (Eaton, 1871)
Metretopus goetghebuergi Lestage, 1938 accepted as Metreletus balcanicus (Ulmer, 1920)
Metretopus henningseni Demoulin, 1965
Metretopus norvegicus Eaton, 1901 accepted as Metretopus borealis (Eaton, 1871)
Metretopus tertius Tiunova, 1999
Siphloplecton basale (Walker, 1853)
Siphloplecton basalis (Walker, 1853)
Siphloplecton brunneum Berner, 1978
Siphloplecton costalense Spieth, 1938
Siphloplecton flexus (Clemens, 1913) accepted as Siphloplecton basale (Walker, 1853)
Siphloplecton fuscum Berner, 1978
Siphloplecton interlineata (Walsh, 1863)
Siphloplecton interlineatum (Walsh, 1863)
Siphloplecton jaegeri Demoulin, 1968
Siphloplecton signatum Traver, 1932 accepted as Siphloplecton basale (Walker, 1853)
Siphloplecton simile Berner, 1978
Siphloplecton speciosum Traver, 1932