Although the mayflies or Ephemeroptera of Texas have been historically neglected, they have received a considerable amount of attention recently. In response to this need I started a complete faunal study in the mid 1990's, and as a result many previously unknown species and new state records have been discovered. The near future outcome of this work is a complete book covering all the known mayfly fauna of Texas as well as many additional species or groups which may eventually be found within the state.
Major revisions to groups within the families Baetidae and Leptohyphidae will certainly have a significant impact on the below list. For example, it is clearly evident that all species of Leptohyphes described from Texas are merely variants of more widespread or poorly known species (e.g. L. micheali, L. paraguttatus, L. succinus, and L. vescus), and it is also fairly evident that the characterizations established under the names Tricorythodes minutus and T. explicatus are simply two ends of a variable gradient. The report of T. corpulentus and T. edmundsi from Texas are of a dubious nature. Also, the near future revision of the "long-clawed" baetids (Centroptilum, Cloeon, Procloeon, and Pseudocentroptiloides) will clarify past reports and ecology of this enigmatic, but very important group of species. In addition, the two-tailed baetid genera (Acentrella, Heterocloeon and Plauditus) will require significant changes as our understanding of these very complex groups solidifies. Further there are still a number of undescribed species from Texas and beyond, as well as new state records in my cabinet awaiting publication which will have a significant impact on many mayfly groupings.
Below you will find a continually updated checklist of species found in Texas, formatted after the exceptionally well done lists found at Mayfly Central.
http://www.entm.purdue.edu/entomology/mayfly/mayfly.html.
Each specific epithet is followed by the author and an idea of the range of these species in Texas using the Biotic Provinces of Texas after Blair (1950) ["The Biotic Provinces of Texas", Texas Journal of Science]. N or SE, etc., indicates the northern part or southeastern part of the respective province.
Aus = Austroriparian (east Texas Pineywoods, Big Thicket areas, and eastern coastal plains)
Bal = Balconian (Edwards Plateau; Balcones Escarpment including Llano uplift, central mineral area, etc.)
Chi = Chihuahuan (Trans-Pecos; Chihuahuan Desert, Davis Mountains and other ranges, Big Bend, etc.)
Kan = Kansan (Panhandle; Great Plains and Llano Estacado)
Nav = Navahonian (restricted to Guadalupe Mountains in Texas)
Tam = Tamaulipan (South Texas Valley, lower Rio Grande Drainage, lower coastal areas)
Tex = Texan (central coastal plains, central plains and grasslands)
Please fell free to send any comments or questions about mayflies or aquatic insects of Texas in general to NICK480413@aol.com .
Species List
Family Baetidae
Acentrella ampla Traver, 1932 [NW-Bal, Chi]
Baetis ampla Traver, 1932
Acentrella insignificans (McDunnough), 1926 [Chi]
Baetis insignificans McDunnough, 1926
Acentrella turbida (McDunnough), 1924 [Bal, Tex]
Acentrella carolina (Banks), 1924
Cloeon carolina Banks, 1924
Pseudocloeon carolina (Banks), 1924
Pseudocloeon turbidum McDunnough, 1924
Acerpenna akataleptos (McDunnough), 1926 [Bal]
Baetis akataleptos McDunnough, 1926
Acerpenna pygmaea (Hagen), 1861 [Aus, Bal, Kan, Tex]
Baetis pygmaeus (Hagen),1861
Baetis spiethi Berner, 1940
Cloe pygmaea Hagen, 1861
Acerpenna sp. 1 McCafferty & Davis, 1992
Acerpenna harti (McDunnough), 1924
Baetis harti McDunnough, 1924
Americabaetis pleturus (Lugo-Ortiz & McCafferty), 1994 [Tex, Tam]
Acerpenna pletura Lugo-Ortiz & McCafferty, 1994
Apobaetis indeprensus Day, 1955 [Aus, Bal, Kan, Tex]
Baetis adonis Traver, 1935 [Chi, Nav]
Baetis caelestis Allen & Murvosh, 1983
Baetis sp. A Morihara & McCafferty, 1979
Baetis flavistriga McDunnough, 1921 [Aus, Bal, Tex]
Baetis cingulatus McDunnough, 1925
Baetis levitans McDunnough, 1925
Baetis pallidulus McDunnough, 1923
Baetis nanus McDunnough, 1923
Baetis phoebus McDunnough, 1923
Baetis quebecensis Hubbard, 1974
Baetis sinuosus Navas, 1924
Baetis ochris Burks, 1953
Baetis intercalaris McDunnough, 1921 [Aus, Bal, Kan, Tex]
Baetis lasallei Banks, 1924
Baetis magnus McCafferty & Waltz, 1986 [Bal, Chi]
Baetis libos Allen & Murvosh, 1987
Baetis sp. B Morihara & McCafferty, 1979
Baetis notos Allen & Murvosh, 1987 [Bal, Chi, Nav?]
Baetis sp. C Morihara & McCafferty, 1979
Baetis rusticans McDunnough, 1925 [Chi]
Baetodes alleni McCafferty & Provonsha, 1993 [Bal]
Baetodes bibrachius McCafferty & Provonsha, 1993 [Bal, Tam, W-Tex]
Baetodes deficiens Allen, 1972 [Bal, Tam?]
Baetodes edmundsi Koss, 1972 [Bal, Chi]
Baetodes inermis Cohen & Allen, 1972 [Bal, Chi, Tam, W-Tex]
Callibaetis californicus Banks, 1900 [Bal, Chi, Kan, Tam]
Callibaetis floridanus Banks, 1900 [Aus, Bal, Kan, Tam, Tex]
Callibaetis completa Banks, 1930
Callibaetis fluctuans (Walsh), 1862 [Kan]
Baetis fluctuans (Walsh), 1862
Callibaetis traverae Upholt, 1937
Cloe fluctuans Walsh, 1862
Callibaetis montanus Eaton, 1885 [Chi?, Nav?]
Callibaetis montanus montanus Eaton, 1885
Callibaetis pictus (Eaton), 1871 [Bal, Chi, Nav]
Baetis pictus Eaton, 1871
Callibaetis doddsi Traver, 1935
Callibaetis pacificus Seemann, 1927
Callibaetis signatus Banks, 1918
Callibaetis vitrea Dodds, 1923
Callibaetis pretiosus Banks, 1914 [Aus, Tex]
Callibaetis punctilusus McCafferty & Provonsha, 1993 [Bal, Tam, Tex]
Callibaetis montanus punctilusus McCafferty & Provonsha, 1993
Camelobaetidius mexicanus (Traver & Edmunds), 1968 [Bal ??]
Dactylobaetis mexicanus Traver & Edmunds, 1968
Camelobaetidius variabilis Wiersema, 1998 [Bal, Chi, Tam, Tex]
Camelobaetidius waltzi McCafferty, 1994 [Bal, Tex]
Centroptilum album McDunnough, 1926 [E-Bal, Tex]
Procloeon album (McDunnough)
Procloeon sp.2 McCafferty & Davis, 1992
Centroptilum triangulifer (McDunnough), 1931 [Aus, Tex]
Cloeon triangulifer McDunnough, 1931
Centroptilum sp.1 McCafferty & Davis, 1992
Cloeodes excogitatus Waltz & McCafferty, 1987 [Chi]
Fallceon quilleri (Dodds), 1923 [Bal, Chi, Kan, Nav, Tex, Tam]
Baetis buenoi Allen, 1985
Baetis byblis Allen & Murvosh, 1983
Baetis cleptis Burks, 1953
Baetis endymion Traver, 1935
Baetis erebus Traver, 1935
Baetis leechi Burks, 1954
Baetis quilleri Dodds, 1923
Baetis sonora Allen & Murvosh, 1987
Fallceon buenoi (Allen), 1985
Fallceon byblis (Allen & Murvosh), 1983
Labiobaetis dardanus McDunnough, 1923 [Aus, Bal, Tex]
Baetis dardanus McDunnough, 1923
Baetis elachistus Burks, 1953
Acentrella dardanus (McDunnough), 1923
Labiobaetis frondalis (McDunnough), 1925 [Aus, Tex]
Baetis australis Traver, 1932
Baetis baeticatus Burks, 1953
Baetis frondalis McDunnough, 1925
Acentrella frondalis (McDunnough), 1925
Labiobaetis ephippiatus (Traver), 1935 [Aus, Tex]
Baetis ephippiatus Traver, 1935
Acentrella ephippiatus (Traver), 1935
Labiobaetis longipalpus (Morihara & McCafferty), 1979 [Aus, Tex]
Baetis longipalpus Morihara & McCafferty, 1979
Labiobaetis propinquus (Walsh), 1863 [Aus, Kan, Tex]
Baetis propinquus (Walsh), 1863
Baetis spinosus McDunnough, 1925
Cloe propiqua Walsh, 1863
Cloe vicina Walsh, 1862
Acentrella propinquus (Walsh), 1863
Paracloeodes minutus (Daggy), 1945 [Aus, Bal, Kan, Tam, Tex]
Paracloeodes abditus Day, 1955
Pseudocleon minutum Daggy, 1945
Plauditus armillatus (McCafferty & Waltz), 1990 [Aus, Tex]
Baetis armillatus McCafferty & Waltz, 1990
Baetis parvulus (McDunnough), 1932
Pseudocloeon parvulum McDunnough, 1932
Plauditus bimaculatus (Berner), 1946 [Aus]
Baetis bimaculatus (Berner), 1946
Pseudocloeon bimaculatum Berner, 1946
Pseudocloeon bimaculatus Berner, 1946
Plauditus dubius (Walsh), 1962 [Bal]
Baetis dubius (Walsh), 1862
Cloe dubia Walsh, 1862
Cloeon dubium (Walsh), 1862
Pseudocloeon chlorops (McDunnough), 1923
Cloeon chlorops McDunnough, 1923
Pseudocloeon dubium (Walsh), 1862
Plauditus futilis (McDunnough), 1931 [Bal]
Baetis futilis (McDunnough), 1931
Baetis futile (McDunnough), 1931
Pseudocloeon futile McDunnough, 1931
Plauditus punctiventris (McDunnough), 1931 [Bal, Kan?]
Baetis punctiventris (McDunnough), 1923
Pseudocloeon edmundsi Jensen, 1969
Pseudocloeon myrsum Burks, 1953
Pseudocloeon punctiventris McDunnough, 1923
Cloeon punctiventris McDunnough, 1923
Baetis sp.1 McCafferty & Davis, 1992
Plauditus virilis (McDunnough), 1923 [Bal, Tex]
Baetis virilis (McDunnough), 1923
Cloeon virilis McDunnough, 1923
Pseudocloeon virilis (McDunnough), 1923
Pseudocleon virile (McDunnough), 1923
Acentrella sp.1 Lugo-Ortiz & McCafferty 1995
Acentrella sp.2 Lugo-Ortiz & McCafferty 1995
Procloeon distinctum Wiersema, 1999 [Bal]
Procloeon nelsoni Wiersema, 1999 [Bal, Tam]
Procloeon rivulare (Traver), 1935 [Bal]
Centroptilum rivulare Traver, 1935
Procloeon rufostrigatum (McDunnough), 1924 [Aus, Bal, Kan?, Tam, Tex]
Centroptilum bistrigatum Daggy, 1945
Centroptilum rufostrigatum McDunnough, 1924
Procloeon texanum McCafferty & Provonsha, 1993 [Tex]
Procloeon viridoculare (Berner), 1940 [Aus, E-Bal, Tex]
Procloeon viridocularis (Berner), 1940
Centroptilum viridocularis Berner, 1940
Pseudocentroptiloides morihari Wiersema & McCafferty, 1998 [E-Bal, Tex]
Centroptilum sp.2 McCafferty & Davis, 1992
Family Baetiscidae
Baetisca obesa (Say), 1839 [Aus]
Baetis obesa Say, 1839
Family Caenidae
Amercaenis ridens (McDunnough), 1931 [Tex]
Caenis ridens McDunnough, 1931
Bracycercus flavus, Traver 1935 [Aus]
Brachycercus maculatus Berner, 1946 [Bal, Tex]
Brachycercus prudens (McDunnough), 1931 [Bal, Chi]
Eurycaenis prudens McDunnough, 1931
Caenis amica Hagen, 1861 [Aus, Bal, Kan, Tex]
Caenis simulans McDunnough, 1931
Caenis bajaensis Allen & Murvosh, 1983 [Bal, Chi, Tam]
Caenis hilaris (Say), 1839 [Aus, Bal, Chi?, Kan?, Tam, Tex]
Ephemera hilaris Say, 1839
Caenis latipennis Banks, 1907 [Aus, Bal, Chi, Kan, Tam, Tex]
Caenis delicata Traver, 1939
Caenis forcipata McDunnough, 1931
Caenis gigas Burks, 1953
Caenis jocosa McDunnough, 1931
Caenis punctata McDunnough, 1931 [Aus, Bal, Tam?, Tex]
Family Ephemerellidae
Ephemerella dorothea Needham, 1908 [Aus, Bal?]
Eurylophella doris (Traver), 1934 [Aus]
Ephemerella doris Traver, 1934
Ephemerella trilineata Berner, 1946
Family Ephemeridae
Hexagenia bilineata (Say), 1824 [Aus, Bal, Kan, Tex]
Baetis bilineata Say, 1824
Palingenia bilineata (Say), 1824
Hexagenia limbata (Serville), 1829 [Aus, Bal, Chi, Kan, Tam, Tex]
Ephemera limbata Serville, 1829
Hexagenia affiliata McDunnough, 1927
Hexagenia californica Upholt, 1937
Hexagenia carolina Traver, 1931
Hexagenia elegans Traver, 1931
Hexagenia kanuga Traver, 1937
Hexagenia marilandica Traver, 1931
Hexagenia mingo Traver, 1931
Hexagenia munda Eaton, 1883
Hexagenia occulta (Walker), 1853
Hexagenia pallens Traver, 1935
Hexagenia rosacea Traver, 1931
Hexagenia variabilis Eaton, 1883
Hexagenia venusta Eaton, 1883
Hexagenia viridescens (Walker), 1853
Hexagenia weewa Traver, 1931
Palingenia limbata (Serville), 1829
Palingenia occulta Walker, 1853
Palingenia viridescens Walker, 1853
Pentagenia vittigera (Walsh), 1862 [Aus, Bal, Kan, Tex]
Palingenia vittigera Walsh, 1862
Pentagenia quadripunctata Walsh, 1863
Family Heptageniidae
Heptagenia flavescens (Walsh), 1862 [Bal, Tex]
Palingenia flavescens Walsh, 1862
Leucrocuta maculipennis (Walsh), 1863 [Bal, Tex]
Ecdyonurus maculipennis (Walsh), 1863
Ecdyurus maculipennis (Walsh), 1863
Heptagenia maculipennis Walsh, 1863
Stenocron interpunctatum (Say), 1839 [Aus, Bal, Tex]
Baetis canadensis Walker, 1853
Baetis interpunctata Say, 1839
Ecdyonurus canadensis (Walker), 1853
Ecdyonurus frontalis (Banks),1910
Ecdyonurus heterotarsalis McDunnough, 1933
Ecdyurus canadensis (Walker), 1853
Heptagenia canadesis (Walker), 1853
Heptagenia frontalis Banks, 1910
Heptagenia interpunctata (Say), 1839
Palingenia interpunctata (Say), 1839
Stenocron areion (Burks), 1953
Stenocron canadense (Walker), 1853
Stenocron frontale (Banks), 1910
Stenocron heterotarsale (McDunnough), 1933
Stenonema areion (Burks), 1953
Stenonema affine Traver, 1933
Stenonema canadense (Walker), 1853
Stenonema conjunctum Traver, 1935
Stenonema heterotarsale (McDunnough), 1933
Stenonema interpunctatum (Say), 1839
Stenonema majus Traver, 1935
Stenonema ohioense Traver, 1935
Stenonema proximum Traver, 1935
Stenonema exiguum Traver, 1933 [Aus, Bal, Tam?, Tex]
Heptagenia exigua (Traver), 1933
Stenonema alabamae Traver, 1937
Stenonema quinquespinum Lewis, 1974
Stenonema femoratum (Say), 1823 [Aus, Bal, Chi, Kan, Tam, Tex]
Baetis femorata Say, 1823
Ecdyonurus femoratus (Say), 1823
Ecdyonurus tripunctatus (Banks), 1910
Heptagenia femorata (Say), 1823
Heptagenia tripunctata Banks, 1910
Siphlurus femoratus (Say), 1823
Stenonema birdi Traver, 1935
Stenonema scitulum Traver, 1935
Stenonema tripunctatum (Banks), 1910
Stenonema mediopunctatum arwini Bednarik & McCafferty, 1979 [Bal]
Heptagenia mediopunctata arwini (Bednarik &McCafferty), 1979
Stenonema mexicanum integrum (McDunnough), 1926 [Aus, Bal, Tam, Tex]
Heptagenia integer Mcdunnough, 1924
Heptagenia mexicana integer Mcdunnough, 1924
Stenonema bellum Traver, 1933
Stenonema integrum (McDunnough), 1924
Stenonema metriotes Burks, 1953
Stenonema wabasha Daggy, 1945
Stenonema modestum (Banks), 1910 [Aus]
Ecdyonurus ruber McDunnough, 1926
Ecdyonurus rubromaculatus (Clemens), 1913
Epeorus modestus Banks, 1910
Heptagenia modesta (Banks), 1910
Heptagenia rubromaculata Clemens, 1913
Iron modestus (Banks), 1910
Stenonema annexum Traver, 1933
Stenonema ruber (McDunnough), 1926
Stenonema rubromaculatum (Clemens), 1913
Stenonema rubrum (McDunnough), 1926
Stenonema varium Traver, 1933
Stenonema terminatum terminatum (Walsh), 1862 [Aus, Bal, Tex]
Ecdyonurus bipunctatus McDunnough, 1926
Ecdyonurus terminatus (Walsh), 1862
Heptagenia terminata (Walsh), 1862
Heptagenia terminata terminata (Walsh), 1862
Palingenia terminata Walsh, 1862
Stenonema ares Burks, 1953
Stenonema bipunctatum (McDunnough), 1926
Stenonema lepton Burks, 1946
Stenonema terminatum (Walsh), 1862
Family Isonychiidae
Isonychia arida (Say), 1839 [Aus]
Baetis arida Say, 1839
Isonychia pictipes Traver, 1934
Isonychia georgiae McDunnough, 1931 [Aus]
Isonychia sayi Burks, 1953 [Aus, Tex]
Isonychia sicca (Walsh), 1862 [Aus, Bal, Chi, Kan, Tam, Tex]
Baetis sicca Walsh, 1862
Chirotonetes mancus (Eaton), 1871
Chirotonetes siccus (Walsh), 1862
Isonychia edmundsi Kondratieff & Voshell, 1984
Isonychia manca Eaton, 1871
Isonychia sicca manca Eaton, 1871
Isonychia sicca sicca (Walsh), 1862
Siphlurus siccus (Walsh), 1862
Family Leptohyphidae
Leptohyphes succinus Allen, 1978 [Bal, Chi, Tam, Tex]
Leptohyphes dolani Allen, 1967 [Tex]
Leptohyphes michaeli Allen, 1978 [Bal]
Leptohyphes mirus Allen, 1967 [Chi]
Leptohyphes packeri Allen, 1967 [Bal, Chi, Kan, Tam, Tex]
Leptohyphes phalarobrachus Kilgore & Allen, 1973
Leptohyphes paraguttatus Allen, 1978 [Tex]
Leptohyphes sabinus Traver, 1958 [Bal, Tam]
Leptohyphes consortis Allen & Brusca, 1973
Leptohyphes vescus Allen, 1978 [Bal, Chi]
Tricorythodes alibilineatus Berner, 1946 [Aus, Bal, Tex]
Tricorythodes corpulentus Kilgore & Allen, 1973 [Bal]
Tricorythodes curvatus Allen, 1977 [Aus, Tex]
Tricorythodes dimorphus Allen, 1967 [Chi]
Tricorythodes edmundsi Allen, 1967 [Bal]
Tricorythodes explicatus (Eaton), 1892 [Bal, Chi, Tam, Tex]
Tricorythus explicatus Eaton, 1892
Tricorythodes texanus Traver, 1935 [Bal, Chi, Tam, W-Tex]
Tricorythodes minutus Traver, 1935 [Bal, Chi, Tam, Tex]
Tricorythodes fallacina McDunnough, 1939
Tricorythodes fallax Traver, 1935
Family Leptophlebiidae
Choroterpes basalis (Banks), 1900 [Aus]
Choroterpes ferruginea Traver, 1934
Choroterpes fusca Spieth, 1938
Chrotoerpes hubbelli Berner, 1946
Leptophlebia basalis Banks, 1900
Choroterpes inornata Eaton, 1892 [Chi, Nav?]
Choroterpes oaxacaensis Brusca & Allen, 1973
Farrodes texanus Davis, 1987 [Bal, Chi, Tex, Tam]
Leptophlebia bradleyi (Needham), 1932 [Aus, Bal]
Paraleptophlebia bradleyi Needham, 1932
Leptophlebia cupida (Say), 1823 [Aus]
Baetis ignava Hagen, 1861
Blastarus concinnus (Walker), 1853
Ephermera cupida Say, 1823
Ephemera hebes Walker, 1853
Palingenia concinnus Walker, 1853
Palingenia pallipes Walker, 1853
Potamanthus concinnus (Walker), 1853
Potamanthus cupidus (Say), 1853
Leptophlebia intermedia (Traver), 1932 [Aus]
Blasturus intermedius Traver, 1932
Neochoroterpes kossi (Allen), 1974 [Chi]
Choroterpes kossi Allen, 1974
Neochoroterpes oklahoma (Traver), 1934 [Bal, Chi, Tam, Tex]
Choroterpes mexicana Allen, 1974
Choroterpes mexicanus Allen, 1974
Choroterpes oklahoma Traver, 1934
Choroterpes sp. 2 Lugo-Ortiz & McCafferty, 1995
Neochoroterpes mexicana (Allen), 1974
Neochoroterpes nanita (Traver), 1934 [Bal, Chi, Tam, Tex]
Chororterpes crocatus Allen, 1974
Choroterpes manita Traver, 1934
Choroterpes nanita Traver, 1934
Neochoroterpes crocatus (Allen), 1974
Choroterpes sp.1 Lugo-Ortiz & McCafferty, 1995
Paraleptophlebia volitans (McDunnough), 1924 [Aus]
Leptophlebia volitans Mcdunnough, 1924
Thraulodes gonzalesi Traver & Edmunds, 1967 [Bal, Chi, Tam, Tex]
Thraulodes salinus Kilgore & Allen, 1973
Traverella presidiana (Traver), 1934 [Bal, Chi, Tam, Tex]
Thraulus presidianus Traver, 1934
Family Oligoneuridae
Homeoneuria sp. was reported by Edmunds et al. 1958 ("North American Mayflies of the Family Oligoneuriidae", Ann. Am. Entomol. Soc. 1958 51: 375-382.) based on a single exuviae collected by Thomas Dolan IV (ANSP Biologist) from the Guadalupe River near Victoria Texas. A single larva was also reported from the same area in an unpublished masters thesis written on a preliminary survey of the mayfly fauna of the Blanco-Guadalupe Basin.
Family Polymitarcyidae
Ephoron album (Say), 1824 [Aus]
Baetis alba Say, 1824
Baetis albus Say, 1824
Palingenia alba (Say), 1824
Polymitarcys albus (Say), 1824
Ephoron leukon Williamson, 1802 [Tam]
Campsurus decoloratus (Hagen), 1861 [Aus, Tam, Tex]
Hexagenia decolorata (Hagen), 1861
Palingenia decolorata Hagen, 1861
Tortopus circumfluus Ulmer, 1942 [Tex]
Tortopus primus (McDunnough), 1924 [Tex]
Campsurus primus McDunnough, 1924
Tortopus puella (Pictet), 1843 [Aus, Tex]
Campsurus puella (Pictet), 1843
Campsurus incertus Traver, 1935
Palingenia puella Pictet, 1843
Tortopus incertus (Traver), 1935
Family Pseudironidae
Pseudiron centralis McDunnough, 1931 [Aus, Tex]
Pseudiron meridionalis Traver, 1935