Endochironomus lamellata Chernovskij, 1949 (nomen nudum) – synonym of Lipiniella araenicola
Endochironomus miki var. maritima Kieffer, 1921 (a questionable synonymy) – synonym of Endochironomus albipennis
Epoicocladius flavens: auctt. nec Camptocladius flavens Malloch, 1915 – synonym of Epoicocladius flavens
Eukiefferiella alpium Goetghebuer, 1941 – synonym of Eukiefferiella claripennis
Eukiefferiella graciliella Goetghebuer in Thienemann, 1936 – synonym of Eukiefferiella brevicalcar
Eukiefferiella lobulifera Goetghebuer, 1935 – synonym of Tvetenia calvescens
Eukiefferiella lutethorax Goetghebuer in Goetghebuer et al., 1949 – synonym of Eukiefferiella ilkleyensis
Eukiefferiella potthasti Lehmann, 1972 nom. nov. for Dactylocladius longicalcar: Potthast, 1915 nec Kieffer, 1911 – synonym of Eukiefferiella gracei
Eukiefferiella rivularis Zvereva, 1950 – synonym of Nanocladius rectinervis
Eukiefferiella stylifer Goetghebuer in Goetghebuer et al., 1949 – synonym of Eukiefferiella claripennis
Eukiefferiella suecica Goetghebuer, 1940 – synonym of Eukiefferiella brevicalcar
Eukiefferiella urbana Goetghebuer, 1932 – synonym of Rheocricotopus chalybeatus
Eurycnemus elegans var. bifidus Kieffer, 1923 – synonym of Eurycnemus crassipes
Eutanytarsus tridentatus Chernovskij, 1949 (nomen nudum) – synonym of Corynocera ambigua