Geometridae Leach, 1815
Hydriomena abacta Hulst, 1898
Hydriomena agassizi Swett, 1910
Hydriomena albidaria Nitsche, 1933
Hydriomena albifasciata Packard, 1874
Hydriomena albimonata McDunnough, 1939
Hydriomena albimontanata McDunnough, 1940
Hydriomena albipulverata Dognin, 1913
Hydriomena albipunctata Nitsche, 1933
Hydriomena albomaculata Kieffer, 1916
Hydriomena albonigrata Nitsche, 1933
Hydriomena aldricaria Schaus, 1922
Hydriomena algosa Dognin, 1893
Hydriomena alterata Warren, 1907
Hydriomena alticola McDunnough, 1954
Hydriomena ameliata Swett, 1915
Hydriomena aphotista Turner
Hydriomena apotoma Turner
Hydriomena approximata Lempke, 1950
Hydriomena arachnitis Turner
Hydriomena arctica Paux, 1901
Hydriomena argentata Loberbauer, 1953
Hydriomena arida (Butler, 1879)
Hydriomena arizonata Barnes & McDunnough, 1917
Hydriomena autumnalis Stichel, 1911
Hydriomena aztecaria Schaus, 1922
Hydriomena banavahrata Straker, 1899
Hydriomena barnesata Swett, 1909
Hydriomena barretti Cockayne, 1953
Hydriomena baueri McDunnough, 1954
Hydriomena beldenae Guedet, 1941
Hydriomena beryllata Dadd, 1921
Hydriomena bicommata Schrank, 1802
Hydriomena biplagiata Dognin, 1911
Hydriomena bistriolata Zeller, 1872
Hydriomena bivirgata Cockayne, 1953
Hydriomena bonitusa Schaus, 1922
Hydriomena borussata Barnes & McDunnough, 1918
Hydriomena brunnescens McDunnough, 1954
Hydriomena bryanti McDunnough, 1943
Hydriomena bryodes Bastelberger, 1909
Hydriomena buenoi Beutelspacher, 1984
Hydriomena cachiria Schaus, 1913
Hydriomena californiata Packard, 1871
Hydriomena callima Turner
Hydriomena canescens Philpott, 1918
Hydriomena caralpa Schaus, 1901
Hydriomena catalinata McDunnough, 1943
Hydriomena cedda Schaus, 1922
Hydriomena centralis McDunnough, 1952
Hydriomena centrinotata Nitsche, 1933
Hydriomena charlestonia McDunnough, 1954
Hydriomena chiricahuata Swett, 1909
Hydriomena cinerascens Strand, 1901
Hydriomena cinereata Prout, 1897
Hydriomena ciniana Schaus, 1922
Hydriomena clarkei (Howes, 1917)
Hydriomena clarki Wright, 1920
Hydriomena cochiseata Swett, 1909
Hydriomena coerulata Fabricius, 1777
Hydriomena columbiata Taylor, 1906
Hydriomena comstocki McDunnough, 1944
Hydriomena confusa Schaus, 1912
Hydriomena constricta Strand, 1901
Hydriomena contrasta Schroder
Hydriomena contrastata Schroder, 1924
Hydriomena cormasa Druce, 1897
Hydriomena coronata Bastelberger, 1909
Hydriomena costipunctata Barnes & McDunnough, 1912
Hydriomena crocota Turner
Hydriomena crokeri Swett, 1910
Hydriomena cromna Druce, 1893
Hydriomena cruziata Dognin, 1901
Hydriomena cumulata Swett, 1910
Hydriomena cumza Druce, 1893
Hydriomena cupidata Swett, 1910
Hydriomena cydalima Turner
Hydriomena cydippe Schaus, 1912
Hydriomena cydra Druce, 1893
Hydriomena cynosura Druce, 1893
Hydriomena cyra Druce, 1893
Hydriomena cyriades Druce, 1893
Hydriomena cyriadoides McDunnough, 1954
Hydriomena czekelii Dioszeghy, 1930
Hydriomena dada Druce, 1893
Hydriomena damo Druce, 1893
Hydriomena deficiens Dognin, 1911
Hydriomena delfini Beutelspacher, 1984
Hydriomena deltoidata (Walker, 1862)
Hydriomena divisaria Walker, 1861
Hydriomena edenata Swett, 1909
Hydriomena elutata Hübner, 1796-, 1799
Hydriomena epicteta Turner
Hydriomena ethelae Beutelspacher, 1984
Hydriomena euphileta Turner
Hydriomena exasperata Barnes & McDunnough, 1917
Hydriomena excelsa Schaus, 1912
Hydriomena exculpata Barnes & McDunnough, 1917
Hydriomena expurgata Barnes & McDunnough, 1918
Hydriomena exquisita Richardson, 1952
Hydriomena extremata Bryk, 1942
Hydriomena fasciata Loberbauer, 1953
Hydriomena fassli Dognin, 1909
Hydriomena feminata McDunnough, 1944
Hydriomena fergusoni McDunnough, 1954
Hydriomena fractisignata Dognin, 1913
Hydriomena franclemonti McDunnough, 1952
Hydriomena frigidata Walker, 1863
Hydriomena fulvoundata Fuchs, 1901
Hydriomena furcata Thunberg, 1784
Hydriomena furculoides Barnes & McDunnough, 1917
Hydriomena furinae Schaus, 1912
Hydriomena furtivata McDunnough, 1939
Hydriomena fuscoundata Donovan, 1806
Hydriomena glaucata Packard, 1874
Hydriomena glenwoodata Swett, 1909
Hydriomena goodsoni Cockayne, 1953
Hydriomena gosala Schaus, 1912
Hydriomena gracillima McDunnough, 1944
Hydriomena grandimacula Warren, 1907
Hydriomena grandis Barnes & McDunnough, 1917
Hydriomena gravis McDunnough, 1954
Hydriomena grettaria Dyar, 1913
Hydriomena griseata Dognin, 1910
Hydriomena grisescens Huene, 1907
Hydriomena hemizona Meyrick, 1897
Hydriomena henshawi Swett, 1912
Hydriomena horridaria Haworth, 1802
Hydriomena impluviata Denis & Schiffermüller, 1775
Hydriomena impuncta Lempke, 1950
Hydriomena indistincta McDunnough, 1952
Hydriomena infuscata Dannehl, 1933
Hydriomena insulata Inoue, 1953
Hydriomena insulicolata Schaus, 1933
Hydriomena iolanthe Hudson, 1939
Hydriomena irata Swett, 1910
Hydriomena irrorata Speyer, 1843
Hydriomena itaria Schaus, 1922
Hydriomena johnstoni McDunnough, 1954
Hydriomena josepha McDunnough, 1954
Hydriomena lapponica Schawerda, 1938
Hydriomena leucosigna Dyar, 1915
Hydriomena leucotaenia Schawerda, 1914
Hydriomena lichenosa Warren, 1904
Hydriomena lineata Warren, 1908
Hydriomena literata Donovan, 1810
Hydriomena lolata McDunnough, 1954
Hydriomena loxocyma Turner
Hydriomena lucifasciata Meves, 1914
Hydriomena lucifuga Schaus, 1912
Hydriomena macdunnoughi Swett, 1918
Hydriomena macuta Dognin, 1899
Hydriomena magnificata Taylor, 1906
Hydriomena mainaria Schaus, 1922
Hydriomena manitoba Barnes & McDunnough, 1917
Hydriomena manzanita Taylor, 1906
Hydriomena margaritata Loberbauer, 1953
Hydriomena marginenotata Cockayne, 1953
Hydriomena marinata Barnes & McDunnough, 1917
Hydriomena marmorata Finke, 1924
Hydriomena meinheiti Finke, 1924
Hydriomena meridianata McDunnough, 1954
Hydriomena midaria Schaus, 1922
Hydriomena mirabilis Cockayne, 1953
Hydriomena mississippiensis McDunnough, 1952
Hydriomena modestata Barnes & McDunnough, 1917
Hydriomena monetata Meves, 1914
Hydriomena monoensis McDunnough, 1952
Hydriomena morelosia Schaus, 1922
Hydriomena morosata Barnes & McDunnough, 1917
Hydriomena multangulata Dognin, 1909
Hydriomena muscata Barnes & McDunnough, 1917
Hydriomena muscona Schaus, 1901
Hydriomena musga Schaus, 1901
Hydriomena nanata McDunnough, 1954
Hydriomena nevadae Barnes & McDunnough, 1917
Hydriomena nexifasciata Butler, 1881
Hydriomena nicolensis McDunnough, 1954
Hydriomena nigra Hackney, 1938
Hydriomena nigrescens Huene, 1907
Hydriomena nigrocastanea Cockayne, 1953
Hydriomena nipteroides Dognin, 1913
Hydriomena niveifascia Swett, 1916
Hydriomena nivocellata Bastelberger, 1911
Hydriomena nubilofasciata Packard, 1871
Hydriomena oasis Dyar, 1915
Hydriomena obliquilinea Barnes & McDunnough, 1917
Hydriomena obliterata Prout, 1897
Hydriomena obscura Peyerimhoff, 1880
Hydriomena obscurevirescens Lempke, 1950
Hydriomena obsoletaria Schille, 1900
Hydriomena obstructa Dognin, 1911
Hydriomena olivata Wright, 1916
Hydriomena opipara Turner
Hydriomena pallida Lempke, 1950
Hydriomena pallidata Wright, 1916
Hydriomena pallula McDunnough, 1944
Hydriomena parcinotata Warren, 1907
Hydriomena peratica Rindge, 1956
Hydriomena perfracta Swett, 1910
Hydriomena periclata Swett, 1910
Hydriomena permagna Bryk, 1948
Hydriomena pernigrata Barnes & McDunnough, 1917
Hydriomena picturata Schaus, 1912
Hydriomena pitzensis Schawerda, 1942
Hydriomena plesia Turner
Hydriomena pluripunctata Nitsche, 1933
Hydriomena pluviata Guenée, 1857
Hydriomena polyphonta Druce, 1893
Hydriomena polyxena Druce, 1893
Hydriomena pomponia Druce, 1893
Hydriomena popoa Schaus, 1922
Hydriomena potosiata Dyar, 1917
Hydriomena praelatata Warren, 1900
Hydriomena praemundata Warren, 1900
Hydriomena prasinata McDunnough, 1954
Hydriomena prisca Schaus, 1922
Hydriomena proba Druce, 1893
Hydriomena promulgata Püngeler, 1909
Hydriomena pronax Druce, 1893
Hydriomena prouti Cockayne, 1953
Hydriomena ptochopis Turner
Hydriomena puncticaudata Barnes & McDunnough, 1917
Hydriomena purpurifera (Fereday, 1884)
Hydriomena purpurissa Warren, 1907
Hydriomena quaesitata Barnes & McDunnough, 1918
Hydriomena quinquefasciata Packard, 1871
Hydriomena radiata Finke, 1924
Hydriomena ranuncula Dognin, 1893
Hydriomena raptata Swett, 1910
Hydriomena reflata Grote, 1882
Hydriomena regulata Pearsall, 1909
Hydriomena relictata Zetterstedt, 1838
Hydriomena renunciata Walker, 1862
Hydriomena resecta Swett, 1910
Hydriomena rita McDunnough, 1954
Hydriomena rixata (Felder & Rogenhofer, 1875)
Hydriomena roseofusa Dognin, 1911
Hydriomena roseoolivacea Schawerda, 1914
Hydriomena roseostriata Warren, 1907
Hydriomena roseoviridis Warren, 1904
Hydriomena ruberata Freyer, 1831
Hydriomena saga Prout, 1988
Hydriomena sanfilensis (Stauder, 1915)
Hydriomena scalata Warren, 1904
Hydriomena semchroa Lower
Hydriomena semifuscata Prout, 1914
Hydriomena septemberata McDunnough, 1952
Hydriomena serrilinearia Dognin, 1913
Hydriomena shasta Barnes & McDunnough, 1917
Hydriomena shibuyae Matsumura, 1925
Hydriomena sierrae Barnes & McDunnough, 1917
Hydriomena simeon Schaus, 1922
Hydriomena similaris Hulst, 1896
Hydriomena similis Barnes & McDunnough, 1917
Hydriomena sordidata Fabricius, 1794
Hydriomena sparsimacula Hulst, 1896
Hydriomena speciosata Packard, 1874
Hydriomena sperryi McDunnough, 1952
Hydriomena sphacelata Bastelberger, 1909
Hydriomena stragulata Wehrli, 1917
Hydriomena striata Lempke, 1950
Hydriomena stylites Schaus, 1922
Hydriomena subgrisea Schaus, 1922
Hydriomena suffumata Finke, 1924
Hydriomena suffusa Loberbauer, 1953
Hydriomena supercincta Cockayne, 1953
Hydriomena swetti Barnes & McDunnough, 1917
Hydriomena sylvaria Schaus, 1922
Hydriomena tamaria Oberthür, 1893
Hydriomena taylori Swett, 1910
Hydriomena tectoria Schaus, 1912
Hydriomena terminipunctata Barnes & McDunnough, 1916
Hydriomena tesellata Dyar, 1915
Hydriomena testaceata Prout, 1897
Hydriomena transfigurata Swett, 1912
Hydriomena tribulata Barnes & McDunnough, 1917
Hydriomena tricolorata Schrank, 1802
Hydriomena trifasciata Borkhausen, 1794
Hydriomena tuolumne Barnes & McDunnough, 1917
Hydriomena ulfrida Schaus, 1922
Hydriomena unilineata Cockayne, 1953
Hydriomena variegata Prout, 1914
Hydriomena vernata Schaus, 1912
Hydriomena victoria Barnes & McDunnough, 1917
Hydriomena vidua Bryk, 1942
Hydriomena viridata Packard, 1874
Hydriomena viridescens McDunnough, 1954
Hydriomena vulcinaria Schaus, 1922
Hydriomena vulnerata Swett, 1910