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Center for Systematic Entomology, Gainesville, Insecta Mundi Florida

December 1986

A Preliminary Checklist of the Hydrophiloidea (Coleoptera) of Maryland

C. L. Staines Jr. Edgewater, Maryland

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Staines, C. L. Jr., "A Preliminary Checklist of the Hydrophiloidea (Coleoptera) of Maryland" (1986). Insecta Mundi. 525. https://digitalcommons.unl.edu/insectamundi/525

This Article is brought to you for free and open access by the Center for Systematic Entomology, Gainesville, Florida at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Insecta Mundi by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. Vol. 1, no. 4, December 1986 INSECTA MUNDI 259 A Preliminary checklist of the Hydrophiloidea (Coleoptera) of Maryland C. L. Staines, Jr. 3302 Decker Place Edgewater, Maryland 21037

The only lists of Hydrophiloidea Laccobius spangerli Cheary (Coleoptera: Hydrophilidae, Helophoridae, Laccobius reflexipenis Malcolm Hydrochidae, and ~~draenidae)from the KnochrU* ~ublon~U*(Fall) mid-Atlantic region are Ulke (1902) who Knochra* conror* (LeConte) reported 46 species from the District of Enochrur consortus Green Columbia and Matta (1974) who presented Enochra* perplexU* (LeConte) keys and short descriptions for the 49 Ochraceur (Me1sheimer) aquatic species of Hydrophilidae of KnOChrus cinctus (Say) Virginia. Knochrus pygraeus nebalosas (Say) The following checklist records KnOchrur 103 species (75 aquatic) from Maryland. Knochrur reflexipennis (Zimmerman) Comparable lists of aquatic species for KnOChrus blatchleyi l other states are as follows: 53 species H~drObiu*fasciper (L.) recorded from Florida by Young (1954) ; 20 Hydrobius relaenus (Germar) species recorded from Ithaca, New York by nydrobius toridus LeCoate Swenson (1982); 67 species from North and S~erchopsistessellata* Ziegler South Carolina by Brigham (1982); and 47 Paracyrur nanur (Fall) species from Illinois by Wooldridge P8rac~rus subcapereus (1967). Hatch (1965) recorded 128 species Crenitu1u8 sutu~alistLeConte) (of all habitats, 102 aquatic) from the raculicOllis Muleant Pacific Northwest; and 88 species (67 Helocorbus bifidus (LeConte) aquatic) reported from New York by Leng C~lbiod~tablanchardi Horn (1928). Cymbiodyta charberlaini Smetana Cpbiodyta minima Notman HELOPHORIDAE Cymbiodyta rotunda (Say) Helophorus linearis LeConte Cyrbiodyta reristriata (Zimmerman) Helophorus lineatus Say Cymbiodyta rindicata Fall Helophorus inquinatus Mannerheim SPHAERIDIINAE HYDROPHILIDAE Cercyon (Prostercyon) roseni Knish HYDROPHILINAE Cercyon (Cercyon) pubescans LeConte Tropisternus natator D'Orchymont Cercyon (Cercyon) eonnirens Fall Tropirternus blatchleyi blatchleyi D'Orchym~nt~e~~~~~(Cerc~on) =endax Smeta~a ' Tropirtarnus collaris striolatus (LeConte) CercJOn (CercyOn) praetextatUs Tropisternus lateralis nirbalis (Say) Cercyon (Cercyon) quisquiliur (L.) Hydrophilus triangularis (Say) Cercyon (Cercyon) unipunctatus (L.) Dibolocelus oratus (Gemminger & Harold) Cercyon (Careyon) rerricolor Smetana Hydrochara roror Smetana Cercyon (Cercyon) asrecla Smetana Hydrochara braripalpis Smetana Cercyon (Cercyon) occallatus (Say) Hydrochara obturata (Say) Cercyon (Cercyon) lateralis (Marsham) Hydrochara occulta (D1Orchymont) Cercyon (Cercyon) haemorrhoidalis (Fab.) Cercyon (Cercyon) pygraeus (Illiger) CHAETARTHIRIINAE Cercyon (Cercyon) terrinatus (Marsham) Chaetarthria atra (LeConte) Cercyon (Cercyon) atticapillus (Marsham) Chaetarthria pallid. (LeConte) Cercyon (Cercyon) depressor Stephens Cercyon (Paracercyon) analis (Paykull) BEROS INAE Cercyon (Paracercyon) rinurculur Melsh. Berosus aculeatus LeConte Phaenonotur extriatur (Say) Berorus exiguus (Say) Sphaeridiur bipustulatur Fab. Barorus fraternas LeCoate Sphaeridiur lunatur Fab. Berorus ordinatus LeConte Sphaeridiur scarabaeoider (L.) Berorus pantherinurn LeConte Canyon naricularis Zimmerman Berorus paregrinus (Herbst) Perelas costatus (LeConte) Berosus striatus (Say) Cryptopleurur aubtile Sharp Cryptopleurar arericanur Horn HYDROBIINAE Cryptopleurur minutor (Fab.) Laccobiur magnu* Cheary Cryptoplearar ragans LeConte Laccobius minutoides D'Orchymont 260 INSECTA MUNDI Vol. 1, no. 4, December 1986 HYDROCHIDAE LITERATURE CITED Hydrochos excavatus LeConte Brigham, W. U. 1982. Families Hydraenidae, Hydrochos inaequalis LeConte Hydrophilidae, and Hydrochidae in Hydrochus rufipes Melsheimer A. R. Brigham, W. U. Brigham, and Hydrochos rugosus Mulsant A. Gnilka (eds.). Aquatic inrects Hydrochos scabratas Mulsant -and Oligochaeter of North and Hydrochus simplex LeConte Sooth Carolina. ~idweet ~~uatic Hydrochus rqoa-ifer LeConte Enterprises, Mahomet, IL. Hydrochus subcuperus Randall Hatch, H. M. 1965. The beetles of the Hydrochos n. sp. 1 Pacific Northwest. Part IV. Univ. of Bydrochus n. sp. 2 Wash. Publ. Biol. 16:l-268. Hydrochus a. sp. 3 Hellman, J. L. 1975. A taxonomic revision Hydrochos n. sp. 4 of the genus Hydrochos of North Hydrochos n. sp. 5 America, Central America and West The five new species exist as Indies. unpublished PhD thesir, manuscript names in the unpublished PhD Univ. of Maryland, 441 p. thesis of J. L. Hellman (1975). Leng, C. W. 1928. Order Coleoptera in M. D. Leonard (ed.) A list of the insects of HYDRAENIDAE New York with a list of the spiders and Hydraen. pennsylvanica Kiesenwetter allied groups. ~ornell~niv.Agric.Expt. Hydraena qoadricurripes Perkins Stn. Mem. 101:l-1120. Hydraena angolicollis Notman Matta, J. F. 1974. The aquatic Hydraen. ancylis Perkins Hydrophilidae of Virginia o ole opt era: Bydraena atlantica Perkins Polyphagal. The Insects o f Hydrqena appalachicola Perkins Virginia: No. 8. VPICSU Res. Div. Bull. Hydraena youngi Perkins 94: 1-44. Hydraena spangerli Perkins Swenson, G. 1982. Water beetle records Hydraena rarginicollis Kiesenwetter from the vicinity of Ithaca, New York 11 Ochtaebios benefosratos LeConte (Coleoptera: Dytiscidae and Hydrophi- Liroebius dircolor Casey lidae). Coleopt. Bull. 36(2):350-351. Ulke, H. 1902. A list of the beetles of ACKNOWLEDGEMENTS the District of Columbia. Proc. U. S. X would like to thank E. J. Ford, Nat. Mus. 25:l-57. USDA, APHIS, Baltimore; C. Mitter, Univer- Young, F. N. 1954. The water beetles of sity of Maryland; and P. J. Spangler, Florida. Univ. Fla. Studies, Biol. Smithsonian Institution, for allowing me Sci. Ser. 5(1):1-238. to examine the collections under their Wooldridge, D, P. 1967. The aquatic care. M. J. Sanderson, P. J. Spangler, Hydrophilidae of Illinois. Ill. St. Acad. and F. N. Young (university of Indiana) Sci. 60(4):422-431. commented on an earlier draft of this manuscript.