Checklist of the Dytiscidae (Coleoptera) of Louisiana

 

Matthew L. Gimmel

Louisiana State Arthropod Museum

Louisiana State University

Baton Rouge, Louisiana, USA  70803

phalacrid(AT)gmail.com (replace "(AT)" with "@")

 

Check back frequently for updates!

 

Last updated: 08 September 2009

 

25 genera, 50 species (+ 8 species of probable occurrence)

 


 

Subfamily COPELATINAE

 

Copelatus caelatipennis princeps Young, 1963

                Distribution: Acadia, Saint Landry, Terrebonne, Vermilion

                Source: LSAM (det. J.J. Pulliam, III; M. Gimmel); Young (1963: 73)

 

Copelatus chevrolati Aubé, 1838

                Distribution: East Baton Rouge, Livingston, Saint Landry, Terrebonne

                Source: LSAM (det. B.L. Monroe; M. Gimmel; J.J. Pulliam, III); Larson et al. (2000: 50) (state record only); Young (1963: 74) (state record only)

 

Copelatus glyphicus (Say, 1823)

                Distribution: Beauregard, Cameron, East Baton Rouge, Jefferson, Saint Martin

                Source: LSAM (det. B.L. Monroe; D.A. Duerr, II; P.J. Spangler); Larson et al. (2000: 52) (state record only); Young (1963: 62) (state record only)

 

Subfamily AGABETINAE

 

Agabetes acuductus (Harris, 1828)

                Distribution:

                Source: Larson et al. (2000: 57) (state record only)

 

Subfamily LACCOPHILINAE

 

Laccophilus fasciatus rufus Melsheimer, 1844

                Distribution: Caddo, East Baton Rouge, Lincoln, Livingston, Natchitoches, Saint Martin, Vernon, Washington, West Baton Rouge, West Feliciana

                Source: LSAM (det. A.R. Cline); Zimmerman (1970: 78)

 

Laccophilus gentilis LeConte, 1863

                Distribution: Vermilion

                Source: LSAM (det. J.J. Pulliam, III); Zimmerman (1970: 229)

 

Laccophilus maculosus Say, 1823

                Distribution: Cameron, East Baton Rouge, Saint Landry

                Source: LSAM (det. B.L. Monroe; M. Gimmel; P.J. Spanger)

 

Laccophilus proximus Say, 1823

                Distribution: Acadia, Cameron, East Baton Rouge, Iberia, Lafayette, Natchitoches, Orleans, Plaquemines, Saint Landry, Terrebonne, Vermilion, Vernon

                Source: LSAM (det. P.J. Spangler; J.J. Pulliam, III); Zimmerman (1970: 98)

 

Laccophilus vacaensis Young, 1953

                Distribution: Cameron

                Source: Zimmerman (1970: 160)

 

Subfamily HYDROPORINAE

 

Anodocheilus exiguus (Aubé, 1838)

                Distribution: Saint Tammany, Vermilion

                Source: LSAM (det. F.N. Young; J.J. Pulliam, III); Young (1974: 11) (state record only)

 

Bidessonotus inconspicuus (LeConte, 1855)

                Distribution: Caddo, East Baton Rouge, East Feliciana, Grant, Livingston, Natchitoches, Rapides, Saint Tammany

                Source: LSAM (det. F.N. Young; K.B. Miller); Balfour-Browne (1947: 433) (state record only); Young (1990: 362) (state record only); Larson et al. (2000: 106) (state record only)

 

Bidessonotus pulicarius (Aubé, 1838)

                Distribution: Saint Landry, Terrebonne

                Source: LSAM (det. J.J. Pulliam, III; M. Gimmel); Young (1990: 360) (state record only); Larson et al. (2000: 107) (state record only)

 

Celina angustata Aubé, 1838

                Distribution: Beauregard, Cameron, East Baton Rouge, East Feliciana, Vermilion

                Source: LSAM (det. P.J. Spangler; J.J. Pulliam, III)

 

Celina grossula (LeConte, 1863)

                Distribution:

                Source: Young (1979: 821) (state record only)

 

Celina imitatrix Young, 1979

                Distribution:

                Source: Young (1979: 826) (state record only)

 

Celina slossoni Mutchler, 1918

                Distribution: Vermilion

                Source: LSAM (det. J.J. Pulliam, III)

 

Desmopachria convexa (Aubé, 1838)

                Distribution:

                Source: Larson et al. (2000: 100) (state record only); Young (1981: 3) (state record only)

 

Desmopachria dispersa (Crotch, 1873)

                Distribution: East Baton Rouge, West Feliciana

                Source: LSAM (det. F.N. Young)

 

Desmopachria grana (LeConte, 1855)

                Distribution: East Baton Rouge, Iberia, Iberville, Jefferson, Jefferson Davis, Saint Tammany

                Source: LSAM (det. B.L. Monroe; K.B. Miller; J.J. Pulliam, III); Young (1981: 4) (state record only)

 

Desmopachria seminola Young, 1951

                Distribution:

                Source: Larson et al. (2000: 98) (state record only)

 

Heterosternuta pulcher (LeConte, 1855)

                Distribution: East Baton Rouge

                Source: LSAM (det. M. Gimmel)

 

[Hydrocolus deflatus (Fall, 1923)]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 414) ("coastal plain of the eastern United states")

 

Hydrocolus oblitus (Aubé, 1838)

                Distribution: Grant, Rapides

                Source: Larson et al. (2000: 420)

 

[Hydroporus rufilabris Sharp, 1882]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 311) ("Ohio and Michigan to the Gulf Coast in Texas")

 

Hydrovatus pustulatus (Melsheimer, 1844)

                Distribution: Cameron, East Baton Rouge

                Source: LSAM (det. B.L. Monroe; P.J. Spangler)

 

Hygrotus acaroides (LeConte, 1855)

                Distribution: record from the Avoyelles Parish area

                Source: Anderson (1971: 508) (map only)

 

Hygrotus nubilus (LeConte, 1855)

                Distribution: Acadia, Beauregard, Cameron, East Baton Rouge

                Source: LSAM (det. P.J. Spangler; J.J. Pulliam, III); Anderson (1983: 175) (map only)

 

[Laccornis schusteri Wolfe & Spangler, 1985]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 75) ("western Tennessee and Alabama to eastern Texas")

 

Liodessus noviaffinis Miller, 1998

                Distribution: Cameron, Jefferson, Saint Landry, Saint Mary

                Source: LSAM (det. K.B. Miller; M. Gimmel); Miller (1998: 304) (map only)

 

Liodessus obscurellus (LeConte, 1852)

                Distribution: Jefferson Davis, Natchitoches

                Source: LSAM (det. K.B. Miller); Miller (1998: 308) (map only)

 

Lioporeus pilatei (Fall, 1917)

                Distribution: Caddo

                Source: Wolfe & Matta (1981: 163) (as Falloporus pilatei)

 

[Lioporeus triangularis (Fall, 1917)]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 240) ("eastern United States south to southern Gulf Coastal Plain")

 

Neobidessus pullus (LeConte, 1855)

                Distribution: Acadia, Cameron, East Baton Rouge, Grant, Jefferson Davis, Lafayette, Madison, Morehouse, Natchitoches, Saint Landry, Saint Tammany, Vermilion, West Feliciana

                Source: LSAM (det. P.J. Spangler; F.N. Young; K.B. Miller; M. Gimmel); Young (1977: 9)

 

[Neoporus aulicus (Aubé, 1838)]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 242) ("Indiana to Florida and Texas")

 

Neoporus blanchardi (Sherman, 1913)

                Distribution:

                Source: Larson et al. (2000: 250) (state record only)

 

Neoporus mellitus (LeConte, 1855)

                Distribution: Catahoula, East Feliciana, La Salle, Rapides, Sabine, Vernon, Washington, Webster

                Source: LSAM (det. K.B. Miller); Wolfe (1984: 415) (as Hydroporus mellitus)

 

Neoporus undulatus (Say, 1823)

                Distribution: East Baton Rouge

                Source: LSAM (det. B.L. Monroe)

 

Neoporus venustus (LeConte, 1855)

                Distribution: Saint Tammany

                Source: LSAM (det. J.J. Pulliam, III)

 

Neoporus vittatipennis (Gemminger & Harold, 1868)

                Distribution: East Baton Rouge

                Source: LSAM (det. K.B. Miller)

 

[Pachydrus princeps (Blatchley, 1914)]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 96) ("southeastern United States")

 

Uvarus granarius (Aubé, 1838)

                Distribution: Cameron, Saint Landry, Terrebonne, Vermilion

                Source: LSAM (det. P.J. Spangler; K.B. Miller; M. Gimmel)

 

Uvarus lacustris (Say, 1823)

                Distribution: East Baton Rouge, East Feliciana, Grant, Lafayette, Livingston, Natchitoches, Rapides, Saint Landry, Saint Tammany

                Source: LSAM (det. F.N. Young; B.L. Monroe; K.B. Miller; M. Gimmel); Larson et al. (2000: 134) (state record only)

 

Uvarus suburbanus (Fall, 1917)

                Distribution:

                Source: Larson et al. (2000: 133) (state record only)

 

Subfamily COLYMBETINAE

 

Agabus aeruginosus Aubé, 1838

                Distribution: Madison

                Source: LSAM (det. R.E. Dewalt)

 

Agabus flavovittatus Larson & Wolfe, 1998

                Distribution: Winn

                Source: Larson & Wolfe (1998: 45)

 

[Agabus punctatus Melsheimer, 1844]

                Distribution: probably occurs in Louisiana

                Source: Larson et al. (2000: 595) ("Massachusetts to South Carolina and west to Kansas and eastern Texas")

 

Agabus stagninus Say, 1825

                Distribution: Saint Tammany

                Source: Larson & Wolfe (1998: 44)

 

Coptotomus interrogatus (Fabricius, 1801)

                Distribution: Acadia, Cameron, East Baton Rouge, Iberia, Jefferson, Saint Mary

                Source: LSAM (det. B.L. Monroe; P.J. Spangler; J.J. Pulliam, III)

 

[Hoperius planatus Fall, 1927]

                Distribution: probably occurs in Louisiana

                Source: Roughley & Larson (2001: 177) ("eastern United States west to Texas and north to about Maryland")

 

Rhantus calidus (Fabricius, 1792)

                Distribution: Jefferson, Natchitoches, Saint Tammany

                Source: LSAM (det. JHR.); Zimmerman & Smith (1975: 104)

 

Subfamily MATINAE

 

Matus bicarinatus (Say, 1823)

                Distribution:

                Source: Larson et al. (2000: 741) (state record only)

 

Subfamily DYTISCINAE

 

Acilius fraternus (Harris, 1828)

                Distribution: East Baton Rouge

                Source: LSAM (det. JHR.)

 

Acilius mediatus (Say, 1823)

                Distribution: East Baton Rouge

                Source: LSAM (det. B.L. Monroe)

 

Cybister fimbriolatus (Say, 1823)

                Distribution: Acadia, Assumption, Bossier, Cameron, Catahoula, East Baton Rouge, Franklin, Iberville, Lincoln, Saint John the Baptist, Saint Martin, Saint Tammany, Tangipahoa, Tensas, Vermilion, West Feliciana

                Source: LSAM (det. B.L. Monroe; P.J. Spangler); Larson et al. (2000: 833) (state record only)

 

Dytiscus carolinus Aubé, 1838

                Distribution: East Baton Rouge, Natchitoches, Saint Martin, Saint Tammany, West Feliciana

                Source: LSAM (det. M. Gimmel)

 

Hydaticus bimarginatus (Say, 1831)

                Distribution: Assumption, East Baton Rouge, Iberville, Natchitoches, Saint John the Baptist, Saint Landry

                Source: LSAM (det. F.N. Young; B.L. Monroe; M. Gimmel); Roughley & Pengelly (1981: 306) (map only)

 

Thermonectus basilaris (Harris, 1829)

                Distribution: Acadia, Cameron, East Baton Rouge, Grant, Iberia, Jefferson, Jefferson Davis, Lafourche, Rapides, Saint Landry, Saint Mary, Tangipahoa, Tensas, Vermilion

                Source: LSAM (det. B.L. Monroe; P.J. Spangler; J.E. Farlow; J.J. Pulliam, III; M. Gimmel)

 

Thermonectus nigrofasciatus ornaticollis Aubé, 1838

                Distribution: Acadia, Cameron, East Baton Rouge

                Source: LSAM (det. JHR.; P.J. Spangler)

 


 

Anderson, R.D. 1971. Revision of the Nearctic representatives of Hygrotus (Coleoptera: Dytiscidae). Annals of the Entomological Society of America, 64: 503–512.

Anderson, R.D. 1983. Revision of the Nearctic species of Hygrotus groups IV, V, and VI (Coleoptera: Dytiscidae). Annals of the Entomological Society of America, 76: 173–196.

Balfour-Browne, J. 1947. A revision of the genus Bidessonotus Régimbart (Coleoptera: Dytiscidae). Transactions of the Royal Entomological Society of London, 98: 425–448.

Larson, D.J., Y. Alarie and R.E. Roughley. 2000. Predaceous diving beetles (Coleoptera: Dytiscidae) of the Nearctic region, with emphasis on the fauna of Canada and Alaska. Monographs in Biodiversity, NRC Press, Ottawa, Ont.

Larson, D.J. and R.W. Wolfe. 1998. Revision of North American Agabus (Coleoptera: Dytiscidae): the semivittatus-group. The Canadian Entomologist, 130: 27–54.

Miller, K.B. 1998. Revision of the Nearctic Liodessus affinis (Say 1823) species group (Coleoptera: Dytiscidae, Hydroporinae, Bidessini). Entomologica Scandinavica, 29: 281–314.

Roughley, R.E. and D.J. Larson. 2001. Family 12. Dytiscidae [pp. 156-186]. In: American Beetles, Vol. 1: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia (R.H. Arnett, Jr. and M.C. Thomas, editors). CRC Press, Boca Raton. 443 pp.

Roughley, R.E. and D.H. Pengelly. 1981. Classification, phylogeny, and zoogeography of Hydaticus Leach (Coleoptera: Dytiscidae) of North America. Quaestiones Entomologicae, 17: 249–309.

Wolfe, G.W. 1984. A revision of the vittatipennis species group of Hydroporus Clairville, subgenus Neoporus Guignot (Coleoptera: Dytiscidae). Transactions of the American Entomological Society, 110: 389–433.

Wolfe, G.W. and J.F. Matta. 1981. Notes on nomenclature and classification of Hydroporus subgenera with the description of a new genus of Hydroporini (Coleoptera: Dytiscidae). Pan-Pacific Entomologist, 57: 149–175.

Young, F.N. 1963. The Nearctic species of Copelatus Erichson (Coleoptera: Dytiscidae). Quarterly Journal of the Florida Academy of Sciences, 26: 56–77.

Young, F.N. 1974. Review of the predaceous water beetles of the genus Anodocheilus (Coleoptera: Dytiscidae: Hydroporinae). Occasional Papers of the Museum of Zoology, University of Michigan, 670: 28 pp.

Young, F.N. 1977. Predaceous water beetles of the genus Neobidessus Young in the Americas north of Colombia (Coleoptera: Dytiscidae, Hydroporinae). Occasional Papers of the Museum of Zoology, University of Michigan, 681: 1–24.

Young, F.N. 1979. A key to the Nearctic species of Celina with descriptions of new species (Coleoptera: Dytiscidae). Journal of the Kansas Entomological Society, 52: 820–830.

Young, F.N. 1981. Predaceous water beetles of the genus Desmopachria: the convexa-grana group (Coleoptera: Dytiscidae). Occasional Papers of the Florida State Collection of Arthropods, 2: 1–11.

Zimmerman, J.R. 1970. A taxonomic revision of the aquatic beetle genus Laccophilus (Dytiscidae) of North America. Memoirs of the American Entomological Society, 26: 1–76.

Zimmerman, J.R. and R.L. Smith. 1975. The genus Rhantus (Coleoptera: Dytiscidae) in North America. Part I. General account of the species. Transactions of the American Entomological Society, 101: 33–123.

 


 

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