| Hydroptila abantica F Sipahiler, 1996 | |
| Hydroptila abbotti SR Moulton &..., 1997 | |
| Hydroptila acadia HH Ross, 1941 | Pineland wild indigo |
| Hydroptila acantha A Wells & W Mey, 2002 | |
| Hydroptila acinacis A Wells, 1978 | |
| Hydroptila acrodonta (YG Xue & LF ..., 1990) | ⇒ Hydroptila gapdoi J Olah, 1989 |
| Hydroptila acuminata J Bueno-Soria, 1984 | |
| Hydroptila acuta Mosely, 1930 | |
| Hydroptila acutangulata L Yang & B Wang, 1997 | |
| Hydroptila adana Mosely, 1948 | |
| Hydroptila aegyptia Ulmer, 1963 | |
| Hydroptila africana DE Kimmins, 1958 | |
| Hydroptila agosensis W Mey, 2003 | |
| Hydroptila agrosa Ross, 1938 | |
| Hydroptila aierensis Jacquemart, 1980 | |
| Hydroptila ajax HH Ross, 1938 | White wild indigo |
| Hydroptila alabama SC Harris & ..., 1984 | |
| Hydroptila alai Johanson, We..., 2011 | |
| Hydroptila alara F Sipahiler, 1994 | |
| Hydroptila albicornis HA Hagen, 1861 | Heterosporous ferns |
| Hydroptila aldricki J Bueno-Soria, 1984 | |
| Hydroptila amoena HH Ross, 1938 | White wild indigo |
| Hydroptila ampoda HH Ross, 1941 | Pineland wild indigo |
| Hydroptila ancistrion OS Flint, 1968 | |
| Hydroptila andalusiaca MA Gonzalez ..., 1994 | |
| Hydroptila angulata Mosely, 1922 | |
| Hydroptila angulifera K Kumanski, 1974 | |
| Hydroptila angusta HH Ross, 1938 | White wild indigo |
| Hydroptila angustata Mosely, 1939 | |
| Hydroptila anisoforficata CR Parker & ..., 1979 | |
| Hydroptila annulicornis S Matsumura, 1931 | |
| Hydroptila anongraksa H Malicky & ..., 2007 | |
| Hydroptila antennopedia JL Sykora & ..., 1994 | |
| Hydroptila antilliarum OS Flint, 1968 | |
| Hydroptila apalachicola Harris, Pesc..., 1998 | |
| Hydroptila apiculata (Yang & Xue, 1992) | ⇒ Hydroptila thuna J Olah, 1989 |
| Hydroptila arctia HH Ross, 1938 | Caddisfly |
| Hydroptila arctica Ross, 1938 | |
| Hydroptila arethusa H Malicky, 1997 | |
| Hydroptila argentinica OS Flint, 1983 | |
| Hydroptila argosa HH Ross, 1938 | White wild indigo |
| Hydroptila armata HH Ross, 1938 | White wild indigo |
| Hydroptila armathai F Schmid, 1959 | |
| Hydroptila artemis H Malicky, 1997 | |
| Hydroptila artesa ML Mathis & ..., 1990 | |
| Hydroptila artesia | |
| Hydroptila asteria H Malicky, 1997 | |
| Hydroptila astraia H Malicky, 1997 | |
| Hydroptila asymmetrica K Kumanski, 1990 | |
| Hydroptila atalante H Malicky, 1997 | |
| Hydroptila atargatis H Malicky, 1997 | |
| Hydroptila ate H Malicky, 1997 | |
| Hydroptila auge H Malicky, 1997 | |
| Hydroptila auriscuspa | |
| Hydroptila aurora H Malicky, 1997 | |
| Hydroptila autonoe H Malicky, 1997 | |
| Hydroptila banmaekap H Malicky & ..., 2007 | |
| Hydroptila batang A Wells & J ..., 1992 | |
| Hydroptila baukis H Malicky, 1998 | |
| Hydroptila begap A Wells & J ..., 1992 | |
| Hydroptila bellona H Malicky, 1998 | |
| Hydroptila bengkoka A Wells, 1990 | |
| Hydroptila berkait A Wells & J ..., 1992 | |
| Hydroptila berneri HH Ross, 1941 | Pineland wild indigo |
| Hydroptila biankii VD Ivanov, 1992 | |
| Hydroptila bibir A Wells & J ..., 1992 | |
| Hydroptila bichromata W Mey, 1998 | |
| Hydroptila bidens OS Flint, 1983 | |
| Hydroptila bifurcata (Mosely, 1930) | ⇒ Hydroptila serrata KJ Morton, 1898 |
| Hydroptila bispina DE Kimmins, 1962 | |
| Hydroptila bispinatella W Mey, 2003 | |
| Hydroptila blicklei JL Sykora & ..., 1994 | |
| Hydroptila botosaneanui K Kumanski, 1990 | |
| Hydroptila bozontos J Olah, 2012 | |
| Hydroptila brailovskyi J Bueno-Soria, 1984 | |
| Hydroptila bribriae SC Harris, 2002 | |
| Hydroptila brigittae FM Gibon, 1987 | |
| Hydroptila brincki S Jacquemart, 1963 | |
| Hydroptila brissaga H Malicky, 1996 | |
| Hydroptila broweri RL Blickle, 1963 | |
| Hydroptila bugata A Wells, 1984 | Sacred datura |
| Hydroptila bumbulensis A Wells & T ..., 1995 | |
| Hydroptila bureschi Kumanski, 1972 | |
| Hydroptila caesariata L Zhou & L Yang, 2009 | |
| Hydroptila calcara A Wells, 1978 | |
| Hydroptila callia DG Denning, 1948 | |
| Hydroptila calundoensis G Marlier, 1965 | |
| Hydroptila campanulata KJ Morton, 1896 | Huckleberry |
| Hydroptila capensis (Barnard, 1934) | ⇒ Hydroptila cruciata Ulmer, 1912 |
| Hydroptila caperata A Wells, 1984 | Sacred datura |
| Hydroptila carara SC Harris & ..., 1999 | |
| Hydroptila carolae RW Holzentha..., 1983 | |
| Hydroptila catamarcensis OS Flint, 1983 | |
| Hydroptila chattanooga KS Frazer & ..., 1991 | |
| Hydroptila cheaha SC Harris, 1991 | |
| Hydroptila chelops SC Harris, 1985 | |
| Hydroptila cheni | |
| Hydroptila chinensis YG Xue & LF ..., 1990 | |
| Hydroptila choccolocco (Harris, 1985) | ⇒ Hydroptila decia DA Etnier & ..., 1973 |
| Hydroptila cintrana KJ Morton, 1904 | |
| Hydroptila circangula Harris, 1985 | |
| Hydroptila cochlearis YG Xue & LF ..., 1990 | |
| Hydroptila cognata Mosely, 1930 | |
| Hydroptila consimilis KJ Morton, 1905 | Black huckleberry |
| Hydroptila constricta J Bueno-Soria, 1984 | |
| Hydroptila coreana K Kumanski, 1990 | |
| Hydroptila cornea L Yang & Y Xue, 1994 | |
| Hydroptila cornuta Mosely, 1922 | |
| Hydroptila corsicana Mosely, 1930 | |
| Hydroptila cortensis Mosely, 1937 | |
| Hydroptila coscaroni OS Flint, 1983 | |
| Hydroptila cottaquilla SC Harris, 1994 | |
| Hydroptila coweetensis AD Huryn, 1985 | |
| Hydroptila crenata Ulmer, 1951 | |
| Hydroptila cressae Thomson & Ho..., 2012 | |
| Hydroptila cretosa SC Harris, 1985 | |
| Hydroptila criokera | |
| Hydroptila cruciata Ulmer, 1912 | Chervil |
| Hydroptila cubana K Kumanski, 1987 | |
| Hydroptila cuneata A Wells & D ..., 1990 | |
| Hydroptila curvata J Bueno-Soria, 1984 | |
| Hydroptila curvipennis | |
| Hydroptila dampfi Ulmer, 1929 | |
| Hydroptila dandik J Olah & KA ..., 2010 | |
| Hydroptila danieli SC Harris & ..., 2011 | |
| Hydroptila daun A Wells & J ..., 1992 | |
| Hydroptila dayung A Wells & J ..., 1992 | |
| Hydroptila decia DA Etnier & ..., 1973 | |
| Hydroptila dejaloni L Botosaneanu, 1980 | |
| Hydroptila delineata KJ Morton, 1905 | Black huckleberry |
| Hydroptila dentata HH Ross, 1938 | White wild indigo |
| Hydroptila denza HH Ross, 1948 | Nuttall's wild indigo |
| Hydroptila desertorum W Mey, 1993 | |
| Hydroptila dikirilagoda F Schmid, 1958 | |
| Hydroptila disgalera RW Holzentha..., 1983 | |
| Hydroptila ditalea OS Flint, 1968 | |
| Hydroptila dodgei (Denning, 1947) | ⇒ Hydroptila gunda LJ Milne, 1936 |
| Hydroptila dominicana L Botosaneanu, 1995 | |
| Hydroptila dorsoprocessuata L Botosaneanu, 1993 | |
| Hydroptila ebroensis | |
| Hydroptila eglinensis SC Harris, 2002 | |
| Hydroptila eileithyia H Malicky, 1999 | |
| Hydroptila elongata Ulmer, 1951 | |
| Hydroptila englishi SW Hamilton, 1989 | |
| Hydroptila engywuck H Malicky & ..., 1987 | |
| Hydroptila eramosa PP Harper, 1973 | |
| Hydroptila erawan H Malicky & ..., 2007 | |
| Hydroptila erkakanae F Sipahiler, 1997 | |
| Hydroptila ernstreichli H Malicky, 1999 | |
| Hydroptila espada (H Malicky, 1981) | ⇒ Hydroptila juba G Enderlein, 1929 |
| Hydroptila explicata Wells, 1984 | |
| Hydroptila extrema K Kumanski, 1990 | |
| Hydroptila felfela J Olah & KA ..., 2011 | |
| Hydroptila fiorii H Malicky & ..., 1987 | |
| Hydroptila fiskei RL Blickle, 1963 | |
| Hydroptila flavicornis Pictet, 1834 | |
| Hydroptila flinti J Bueno-Soria, 1984 | |
| Hydroptila florestani Souza, Santo..., 2014 | |
| Hydroptila fonsorontina L Botosanean..., 1985 | |
| Hydroptila forcipata A.E. Eaton, 1873 | |
| Hydroptila forcipata nuda Eidel, 1949 | |
| Hydroptila fortunata KJ Morton, 1893 | |
| Hydroptila fowlesi SC Harris & ..., 1996 | |
| Hydroptila friedeli H Malicky, 1972 | |
| Hydroptila fuentaldeala F Schmid, 1952 | Florida loosestrife |
| Hydroptila fuentelarbola F Schmid, 1952 | Florida loosestrife |
| Hydroptila furcata AV Martynov, 1935 | |
| Hydroptila furcilla L Yang & Y Xue, 1994 | |
| Hydroptila furcula A Wells, 1984 | Sacred datura |
| Hydroptila furtiva J Bueno-Soria, 1984 | |
| Hydroptila fuscina SC Harris, 1985 | |
| Hydroptila gandhara F Schmid, 1960 | |
| Hydroptila gapdoi J Olah, 1989 | |
| Hydroptila gaya J Olah, 1989 | |
| Hydroptila geniel H Malicky, 2014 | |
| Hydroptila giama J Olah, 1989 | |
| Hydroptila gingoog A Wells & W Mey, 2002 | |
| Hydroptila giudicellorum L Botosaneanu, 1980 | |
| Hydroptila grandiosa HH Ross, 1938 | White wild indigo |
| Hydroptila grenadensis OS Flint, 1968 | |
| Hydroptila grucheti G Marlier & ..., 1982 | |
| Hydroptila guinola Ross, 1947 | |
| Hydroptila gunda LJ Milne, 1936 | Shieldplant |
| Hydroptila gurdi A Wells, 1990 | |
| Hydroptila halus A Wells & J ..., 1992 | |
| Hydroptila hamata KJ Morton, 1905 | Black huckleberry |
| Hydroptila hamiltoni SC Harris, 2002 | |
| Hydroptila hamistyla Y Xue & H Wang, 1995 | |
| Hydroptila harpeodes L Yang & Y Xue, 1994 | |
| Hydroptila heangi | |
| Hydroptila helicina OS Flint, 1991 | |
| Hydroptila helmali P Chantaramo..., 1986 | |
| Hydroptila hemeli | |
| Hydroptila hirra (Mosely, 1948) | ⇒ Hydroptila cruciata Ulmer, 1912 |
| Hydroptila hirsuta A Wells & W Mey, 2002 | |
| Hydroptila hochyangha F Schmid, 1959 | |
| Hydroptila hodkovae Chvojka, 2006 | |
| Hydroptila hoffmannae J Bueno-Sori..., 1996 | |
| Hydroptila holzenthali JL Sykora & ..., 1994 | |
| Hydroptila homochitta SC Harris & ..., 1996 | |
| Hydroptila hossa J Olah & KA ..., 2011 | |
| Hydroptila howelli Houp, Houp &..., 1998 | |
| Hydroptila hubenovi (K Kumanski, 1990) | ⇒ Hydroptila giama J Olah, 1989 |
| Hydroptila hyllos H Malicky, 2004 | |
| Hydroptila icona Mosely, 1937 | Micro-caddisfly |
| Hydroptila idefix H Malicky, 1979 | |
| Hydroptila incertula Mosely, 1934 | Kalmia |
| Hydroptila inornata OS Flint, 1991 | |
| Hydroptila insignis (Martynov, 1927) | ⇒ Hydroptila occulta AE Eaton, 1873 |
| Hydroptila insubrica F Ris, 1903 | |
| Hydroptila introspinata Zhou & C-h Sun, 2009 | |
| Hydroptila ion H Malicky, 2004 | |
| Hydroptila isabellae FM Gibon, 1987 | |
| Hydroptila itoi M Kobayashi, 1977 | |
| Hydroptila ivisa H Malicky, 1972 | |
| Hydroptila jackmanni RL Blickle, 1963 | |
| Hydroptila jamin | |
| Hydroptila jaruma A Wells, 1990 | |
| Hydroptila jeanae FM Gibon, 1987 | |
| Hydroptila juba G Enderlein, 1929 | |
| Hydroptila judithae FM Gibon, 1987 | |
| Hydroptila juram H Malicky & ..., 2007 | |
| Hydroptila kairos H Malicky, 2004 | |
| Hydroptila kakidaensis T Nozaki & K..., 2007 | |
| Hydroptila kalchas H Malicky, 2004 | |
| Hydroptila kalonichtis H Malicky, 1972 | |
| Hydroptila karikatla J Olah & KA ..., 2011 | |
| Hydroptila karima J Olah & KA ..., 2011 | |
| Hydroptila kaschgari W Mey, 1993 | |
| Hydroptila kebawah A Wells & J ..., 1992 | |
| Hydroptila keres H Malicky, 2004 | |
| Hydroptila khonga J Olah & KA ..., 2010 | |
| Hydroptila kieneri G Marlier & ..., 1982 | |
| Hydroptila kirilawela F Schmid, 1958 | |
| Hydroptila klapperichi H Malicky, 1996 | |
| Hydroptila koropa A Wells, 1984 | Sacred datura |
| Hydroptila koryaki SC Harris & ..., 1996 | |
| Hydroptila kreusa H Malicky, 2004 | |
| Hydroptila kuehnei Houp, Houp &..., 1998 | |
| Hydroptila kumanskii Malicky, 1974 | |
| Hydroptila kurukepitiya F Schmid, 1958 | |
| Hydroptila lacandona J Bueno-Soria, 1984 | |
| Hydroptila lageniformis | |
| Hydroptila lagoi SC Harris, 1985 | |
| Hydroptila laloka A Wells, 1991 | |
| Hydroptila latifilis L Zhou & LF ..., 2009 | |
| Hydroptila latosa HH Ross, 1947 | |
| Hydroptila lennoxi RL Blickle, 1969 | |
| Hydroptila lenora RL Blickle &..., 1977 | |
| Hydroptila libanica A Dia & L Bo..., 1983 | |
| Hydroptila licina KS Frazer & ..., 1991 | |
| Hydroptila lidah A Wells & J ..., 1992 | |
| Hydroptila lingigi W Mey, 1998 | |
| Hydroptila lloganae RL Blickle, 1961 | |
| Hydroptila lonchera RL Blickle &..., 1954 | |
| Hydroptila longifilis L Yang & Y Xue, 1994 | |
| Hydroptila longispina (McLachlan, 1884) | ⇒ Hydroptila tineoides JW Dalman, 1819 |
| Hydroptila longissimus J Bueno-Soria, 1984 | |
| Hydroptila losida Mosely, 1953 | |
| Hydroptila lotensis Mosely, 1930 | |
| Hydroptila luzonensis W Mey, 2003 | |
| Hydroptila lyaios H Malicky, 2004 | |
| Hydroptila maclachlani (Ris, 1889) | ⇒ Hydroptila vectis J. Curtis, 1834 |
| Hydroptila maculata Banks, 1904 | |
| Hydroptila maetalai H Malicky & ..., 2007 | |
| Hydroptila makaplag A Wells & W Mey, 2002 | |
| Hydroptila malacitana MA Gonzalez ..., 2013 | |
| Hydroptila manavgatensis H Malicky & ..., 1983 | |
| Hydroptila maoae Gibon, Guend..., 1994 | |
| Hydroptila mariatheresae FM Gibon, 1987 | |
| Hydroptila marighellai Souza, Santo..., 2014 | |
| Hydroptila maritza SC Harris & ..., 1999 | |
| Hydroptila martini JE Marshall, 1977 | |
| Hydroptila martorelli OS Flint, 1964 | |
| Hydroptila matsuii Kobayashi, 1974 | |
| Hydroptila maza SC Harris & ..., 1999 | |
| Hydroptila mazumbaiensis A Wells & T ..., 1995 | |
| Hydroptila mcgregori Harris & Huryn, 2000 | |
| Hydroptila medinai OS Flint, 1964 | |
| Hydroptila melia HH Ross, 1938 | White wild indigo |
| Hydroptila mendli H Malicky, 1980 | |
| Hydroptila mendli levanti Botosaneanu, 1984 | |
| Hydroptila meralda Mosely, 1937 | |
| Hydroptila metoeca RL Blickle &..., 1954 | |
| Hydroptila metteei SC Harris, 1991 | |
| Hydroptila mexicana Mosely, 1937 | |
| Hydroptila micropotamis SC Harris, 1989 | |
| Hydroptila micropotamus | |
| Hydroptila misolha J Bueno-Soria, 1984 | |
| Hydroptila mitirigalla F Schmid, 1958 | |
| Hydroptila modica Mosely, 1937 | |
| Hydroptila mokowu A Wells & J ..., 2001 | |
| Hydroptila molsonae RL Blickle, 1961 | |
| Hydroptila montatan H Malicky & ..., 2007 | |
| Hydroptila morogorensis A Wells & T ..., 1995 | |
| Hydroptila morpheus H Malicky, 2004 | |
| Hydroptila morsei (Sykora & Harris, 1994) | ⇒ Hydroptila lloganae RL Blickle, 1961 |
| Hydroptila moselyi Ulmer, 1932 | |
| Hydroptila mugla F Sipahiler, 1989 | |
| Hydroptila murtlei | |
| Hydroptila nago Ito & Shimura, 2019 | |
| Hydroptila nambelensis Johanson, We..., 2011 | |
| Hydroptila namcattien H Malicky & ..., 2007 | |
| Hydroptila nanseiensis Ito, 2011 | |
| Hydroptila narifer OS Flint, 1991 | |
| Hydroptila nasuli A Wells & W Mey, 2002 | |
| Hydroptila nemtompa J Olah, 2012 | |
| Hydroptila neoleonensis J Bueno-Soria, 1984 | |
| Hydroptila ngaythibaya J Olah, 1989 | |
| Hydroptila nicoli HH Ross, 1941 | Pineland wild indigo |
| Hydroptila nigrovalvata W Mey, 2003 | |
| Hydroptila novicola RL Blickle &..., 1954 | |
| Hydroptila nusagandia SC Harris & ..., 1999 | |
| Hydroptila oakmulgeensis SC Harris, 1985 | |
| Hydroptila obscura (A Wells, 1978) | ⇒ Stactobia fuscicornis WG Schneider, 1845 |
| Hydroptila occulata Eaton, 1873 | |
| Hydroptila occulta AE Eaton, 1873 | |
| Hydroptila oemerueneli F Sipahiler, 2003 | |
| Hydroptila ogasawaraensis Ito, 2011 | |
| Hydroptila oguranis M Kobayashi, 1974 | |
| Hydroptila okaloosa SC Harris, 2002 | |
| Hydroptila oknos H Malicky, 2004 | |
| Hydroptila oneili SC Harris, 1985 | |
| Hydroptila orion H Malicky & ..., 2007 | |
| Hydroptila ornithocephala L Yang & Y Xue, 1992 | |
| Hydroptila ortaca F Sipahiler, 1989 | |
| Hydroptila osa SC Harris & ..., 1999 | |
| Hydroptila ouachita RW Holzentha..., 1983 | |
| Hydroptila ovacikensis F Sipahiler, 1987 | |
| Hydroptila palaestinae Botosaneanu ..., 1971 | |
| Hydroptila palestinae L Botosanean..., 1971 | |
| Hydroptila panchaoi F Schmid, 1960 | |
| Hydroptila parachelops JL Sykora & ..., 1994 | |
| Hydroptila paradenza SC Harris & ..., 1999 | |
| Hydroptila parakampsis H Malicky, 2004 | |
| Hydroptila paralatosa SC Harris, 1985 | |
| Hydroptila paramoena SC Harris, 1985 | |
| Hydroptila parapiculata L Yang & Y Xue, 1994 | |
| Hydroptila parastrepha RW Kelley & ..., 1983 | |
| Hydroptila paraxella SC Harris & ..., 2011 | |
| Hydroptila parhuzam J Olah & KA ..., 2011 | |
| Hydroptila parthava (Schmid, 1959) | ⇒ Hydroptila occulta AE Eaton, 1873 |
| Hydroptila paschia Mosely, 1937 | |
| Hydroptila patriciae SC Harris, 1985 | |
| Hydroptila pecos HH Ross, 1941 | Pineland wild indigo |
| Hydroptila pectinifera F Schmid, 1970 | Threebract loosestrife |
| Hydroptila pedemontana W Mey, 1995 | |
| Hydroptila penthesileia H Malicky & ..., 2007 | |
| Hydroptila perdita KJ Morton, 1905 | Black huckleberry |
| Hydroptila perimele H Malicky, 2004 | |
| Hydroptila perplexa Mosely, 1924 | |
| Hydroptila phaon H Malicky, 1976 | |
| Hydroptila pheniancia Botosaneanu, 1970 | |
| Hydroptila phenianica L Botosaneanu, 1970 | |
| Hydroptila phileos ♰ TDA Cockerell, 1920 | |
| Hydroptila phoeniciae A Dia & L Bo..., 1983 | |
| Hydroptila pintal A Wells & J ..., 1992 | |
| Hydroptila poirrieri RW Holzentha..., 1983 | |
| Hydroptila portunus H Malicky & ..., 2007 | |
| Hydroptila poseidon H Malicky & ..., 2007 | |
| Hydroptila potosina J Bueno-Soria, 1984 | Micro-caddisfly |
| Hydroptila priamos H Malicky & ..., 2007 | |
| Hydroptila producta Mosely, 1939 | |
| Hydroptila prokris H Malicky & ..., 2007 | |
| Hydroptila protera HH Ross, 1938 | White wild indigo |
| Hydroptila psyche H Malicky & ..., 2007 | |
| Hydroptila puchricornis | |
| Hydroptila pulchricornis F.J. Pictet, 1834 | |
| Hydroptila pulestoni OS Flint, 1980 | |
| Hydroptila pullata DG Denning, 1948 | |
| Hydroptila pullatus Denning, 1948 | |
| Hydroptila pyreneus H Malicky & ..., 2007 | |
| Hydroptila pythia H Malicky & ..., 2007 | |
| Hydroptila quadrifida A Wells, 1984 | Sacred datura |
| Hydroptila quinaria A Wells & D ..., 1990 | |
| Hydroptila quinola HH Ross, 1947 | |
| Hydroptila rahel | |
| Hydroptila rastrilla SC Harris & ..., 1999 | |
| Hydroptila recurvata SC Harris & ..., 1984 | |
| Hydroptila reducta L Yang & Y Xue, 1994 | |
| Hydroptila remita RL Blickle &..., 1954 | |
| Hydroptila rheni F Ris, 1896 | |
| Hydroptila rhodica S Jacquemart, 1973 | |
| Hydroptila roberta Hamilton & H..., 1986 | |
| Hydroptila robusta A Wells, 1978 | |
| Hydroptila roma H Malicky & ..., 2007 | |
| Hydroptila rono HH Ross, 1941 | Pineland wild indigo |
| Hydroptila ruben | |
| Hydroptila ruffoi GP Moretti, 1981 | |
| Hydroptila rumpun A Wells & J ..., 1992 | |
| Hydroptila sabit A Wells & J ..., 1992 | |
| Hydroptila salmo HH Ross, 1941 | Pineland wild indigo |
| Hydroptila sandersoni ML Mathis & ..., 1990 | |
| Hydroptila sanghala F Schmid, 1960 | |
| Hydroptila santarosa | |
| Hydroptila sarahae SC Harris, 2002 | |
| Hydroptila sarkos J Olah & KA ..., 2011 | |
| Hydroptila sauca OS Flint, 1980 | |
| Hydroptila scamandra A Neboiss, 1977 | |
| Hydroptila scheiringi SC Harris, 1986 | |
| Hydroptila scolops HH Ross, 1938 | White wild indigo |
| Hydroptila sederhana A Wells & J ..., 1992 | |
| Hydroptila segitiga A Wells & J ..., 1992 | |
| Hydroptila seirene H Malicky & ..., 2007 | |
| Hydroptila selene H Malicky, 2008 | |
| Hydroptila selvatica L Botosaneanu, 1977 | |
| Hydroptila sengavi F Schmid, 1960 | |
| Hydroptila serrata KJ Morton, 1898 | |
| Hydroptila setigera (A Wells, 1984) | ⇒ Hydroptila cottaquilla SC Harris, 1994 |
| Hydroptila sicilicula OS Flint & L..., 1991 | |
| Hydroptila sidong J Olah, 1989 | |
| Hydroptila sikanda MA Gonzalez ..., 1988 | |
| Hydroptila simplex A Nielsen, 1948 | |
| Hydroptila simulans Mosely, 1920 | |
| Hydroptila singri SC Harris & ..., 1999 | |
| Hydroptila sinuosa A Wells, 1978 | |
| Hydroptila sitahoan H Malicky & ..., 2007 | |
| Hydroptila skylla H Malicky & ..., 2007 | |
| Hydroptila spada OS Flint, 1991 | |
| Hydroptila spangleri J Bueno-Soria, 1984 | |
| Hydroptila sparsa J. Curtis, 1834 | |
| Hydroptila spatulata KJ Morton, 1905 | Black huckleberry |
| Hydroptila sphinx H Malicky & ..., 2007 | |
| Hydroptila spicipennis | |
| Hydroptila spinata RL Blickle &..., 1954 | |
| Hydroptila spinosa TI Arefina &..., 2003 | |
| Hydroptila spiralis | |
| Hydroptila spirula J Bueno-Soria, 1984 | |
| Hydroptila spirulatella W Mey, 2003 | |
| Hydroptila srisungwan H Malicky & ..., 2007 | |
| Hydroptila starmuehlneri G Marlier & ..., 1982 | |
| Hydroptila stellifera KJ Morton, 1893 | |
| Hydroptila strepha HH Ross, 1941 | Pineland wild indigo |
| Hydroptila suanhom H Malicky & ..., 2007 | |
| Hydroptila sudip A Wells & J ..., 1992 | |
| Hydroptila sumanmalie P Chantaramo..., 1986 | |
| Hydroptila surinamensis OS Flint, 1974 | |
| Hydroptila sykorai SC Harris, 2002 | |
| Hydroptila sylvestris KJ Morton, 1898 | |
| Hydroptila tacheti G Coppa & H ..., 2005 | |
| Hydroptila tagus D Garcia de ..., 1985 | |
| Hydroptila taichungensis | |
| Hydroptila takamaka G Marlier & ..., 1982 | |
| Hydroptila talladega SC Harris, 1985 | |
| Hydroptila tanduka A Wells, 1990 | |
| Hydroptila tannerorum A Wells & T ..., 1995 | |
| Hydroptila tasmanica Mosely, 1934 | Kalmia |
| Hydroptila taurica AV Martynov, 1934 | James' clammyweed |
| Hydroptila terbela A Wells, 1990 | |
| Hydroptila tethys H Malicky & ..., 2007 | |
| Hydroptila thaphena J Olah, 1989 | |
| Hydroptila tharsis H Malicky, 2008 | |
| Hydroptila theano H Malicky & ..., 2007 | |
| Hydroptila theiodamas H Malicky & ..., 2007 | |
| Hydroptila thersandros H Malicky & ..., 2007 | |
| Hydroptila thiba J Olah, 1989 | |
| Hydroptila thisa J Olah, 1989 | |
| Hydroptila thisbe H Malicky, 2008 | |
| Hydroptila thuna J Olah, 1989 | |
| Hydroptila tiani (L Yang & Y Xue, 1992) | ⇒ Hydroptila sidong J Olah, 1989 |
| Hydroptila tigurina F Ris, 1894 | |
| Hydroptila tineoides JW Dalman, 1819 | |
| Hydroptila tobaga L Botosaneanu, 1993 | |
| Hydroptila tomah Harris & Huryn, 2000 | |
| Hydroptila tombolhitam A Wells & H ..., 1997 | |
| Hydroptila tong A Wells & H ..., 1997 | |
| Hydroptila tortosa HH Ross, 1938 | White wild indigo |
| Hydroptila touroumaya F Schmid, 1960 | |
| Hydroptila traunica A Wells, 1991 | |
| Hydroptila tridentata RW Holzentha..., 1983 | |
| Hydroptila triloba DE Kimmins, 1957 | |
| Hydroptila trilobata S Jacquemart, 1965 | |
| Hydroptila trullata Ulmer, 1951 | |
| Hydroptila tulipa J Olah & KA ..., 2011 | |
| Hydroptila tumpul A Wells & J ..., 1992 | |
| Hydroptila tungsalaeng H Malicky & ..., 2007 | |
| Hydroptila tuscaloosa Harris & Kelley, 1984 | |
| Hydroptila tusculum HH Ross, 1947 | |
| Hydroptila uncinata KJ Morton, 1893 | |
| Hydroptila unicuspis OS Flint, 1991 | |
| Hydroptila upulmalie P Chantaramo..., 1986 | |
| Hydroptila usambarensis A Wells & T ..., 1995 | |
| Hydroptila usuguronis S Matsumura, 1931 | |
| Hydroptila vala HH Ross, 1938 | White wild indigo |
| Hydroptila valesiaca F Schmid, 1947 | |
| Hydroptila valhalla DG Denning, 1947 | |
| Hydroptila vanuatensis Johanson, We..., 2011 | |
| Hydroptila varla F Sipahiler, 1996 | |
| Hydroptila vazquezae J Bueno-Soria, 1984 | |
| Hydroptila vectis J. Curtis, 1834 | |
| Hydroptila vectis corsicana Mosely, 1930 | |
| Hydroptila venezuelensis OS Flint, 1981 | |
| Hydroptila venus H Malicky & ..., 2007 | |
| Hydroptila veracruzensis OS Flint, 1967 | |
| Hydroptila verginia H Malicky & ..., 2007 | |
| Hydroptila verticordia H Malicky & ..., 2007 | |
| Hydroptila vichtaspa F Schmid, 1959 | |
| Hydroptila victoria H Malicky & ..., 2007 | |
| Hydroptila viganoi L Botosaneanu, 1974 | |
| Hydroptila vilaverde H Malicky & ..., 1981 | |
| Hydroptila virgata HH Ross, 1938 | White wild indigo |
| Hydroptila vitcona J Olah & KA ..., 2010 | |
| Hydroptila vittata A Wells, 1984 | Sacred datura |
| Hydroptila voticia H Malicky, 1992 | |
| Hydroptila wakulla DG Denning, 1947 | |
| Hydroptila warisa A Wells, 1984 | Sacred datura |
| Hydroptila waskesia HH Ross, 1944 | Apalachicola wild indigo |
| Hydroptila waubesiana C Betten, 1934 | |
| Hydroptila wetumpka SC Harris, 1991 | |
| Hydroptila wuchangensis S Wang, 1963 | |
| Hydroptila wyomia DG Denning, 1948 | |
| Hydroptila xella HH Ross, 1941 | Pineland wild indigo |
| Hydroptila xera HH Ross, 1938 | White wild indigo |
| Hydroptila xoncla HH Ross, 1941 | Pineland wild indigo |
| Hydroptila xonella Ross, 1941 | |
| Hydroptila zairiensis B Statzner, 1977 | |
| Hydroptila zerbinae Souza, Santo..., 0 | |
| Hydroptila zeus H Malicky & ..., 2007 | |
| Hydroptila ziddensis VD Ivanov, 1992 | |
