Dactylocladius argentatus Goetghebuer, 1921 – synonym of Chaetocladius melaleucus
Dactylocladius brevicalcar var. ampullaceus Kieffer, 1911 (a questionable synonymy) – synonym of Eukiefferiella brevicalcar
Dactylocladius brevicalcar var. pallidipes Kieffer, 1911 (a questionable synonymy) – synonym of Eukiefferiella brevicalcar
Dactylocladius breviradius Kieffer, 1911 – synonym of Synorthocladius semivirens
Dactylocladius flaviforceps Kieffer, 1911 – synonym of Synorthocladius semivirens
Dactylocladius longicalcar: Potthast, 1915 nec Kieffer, 1911 – synonym of Eukiefferiella gracei
Dactylocladius rhabani Kieffer, 1923 (a questionable synonymy) – synonym of Eukiefferiella brevicalcar
Demicryptochironomus ploenensis Lenz, 1960 – synonym of Demicryptochironomus vulneratus
Demicryptochironomus vulneratus
Diamesa campestris Edwards, 1929 – synonym of Potthastia longimana
Diamesa galactoptera Nowicki, 1873 – synonym of Potthastia gaedii
Diamesa gotica Brundin, 1947 – synonym of Potthastia gaedii
Diamesa notata Staeger, 1839 – synonym of Prodiamesa olivacea
Diamesa praecox Kieffer, 1900 – synonym of Prodiamesa olivacea
Diamesa prolongata Kieffer, 1909 – synonym of Diamesa insignipes
Dicrotendipes gregarius Gillespie, 1974 (manuscript name) – synonym of Dicrotendipes lobiger
Dicrotendipes mooreae Gillespie, 1974 (manuscript name) – synonym of Dicrotendipes nervosus
Diplocladius bilobatus Brundin, 1956 – synonym of Diplocladius cultriger
Ditanytarsus subglabripennis Kieffer, 1925 – synonym of Tanytarsus gracilentus
Dolichopelma pusillum var. nigriventris Goetghebuer, 1933 – synonym of Lauterborniella agrayloides
Dryadotanytarsus edentulus Andersen, 1943 – synonym of Corynocera ambigua