Harp, George L.

Pippenger, Mark A.

English

ScholarWorks@UARK

Journal of the Arkansas Academy of ScienceVolume 39 Article 471985Dytiscidae from Randolph County, ArkansasMark A. PippengerArkansas State UniversityGeorge L. HarpArkansas State UniversityFollow this and additional works at: http://scholarworks.uark.edu/jaasPart of the Entomology CommonsThis article is available for use under the Creative Commons license: Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0). Users are able toread, download, copy, print, distribute, search, link to the full texts of these articles, or use them for any other lawful purpose, without asking priorpermission from the publisher or the author.This General Note is brought to you for free and open access by ScholarWorks@UARK. It has been accepted for inclusion in Journal of the ArkansasAcademy of Science by an authorized editor of ScholarWorks@UARK. For more information, please contact scholar@uark.edu, ccmiddle@uark.edu.Recommended CitationPippenger, Mark A. and Harp, George L. (1985) "Dytiscidae from Randolph County, Arkansas," Journal of the Arkansas Academy ofScience: Vol. 39 , Article 47.Available at: http://scholarworks.uark.edu/jaas/vol39/iss1/47146 Arkansas Academy of Science Proceedings, Vol. XXXIX,1985General NotesDYTISCIDAE FROM RANDOLPH COUNTY, ARKANSASThe purpose of this paper is to present a list of the species and subspecies of Dytiscidae known to occur in Randolph County, Arkansas.This is the first such compilation for an Arkansas county, though other papers have reported the occurrence ofvarious dytiscid species in Arkansas(Young, 1953; Anderson, 1971; Hilsenhoff, 1975, 1980; Matta and Wolfe, 1979, 1981; Harp and Harp, 1980; Roughley and Pengelly, 1981; Farrisand Harp, 1982; Huggins and Harp, 1983). Randolph County was chosen because it encompasses parts ofboth the Ozark Plateau and the Mississip-pi AlluvialPlain. It was anticipated that this diversity would increase the number of dytiscid species available for collection.Some information was taken from examination of specimens in the Arkansas State University Museum of Zoology (ASUMZ) AquaticMacroinvertebrate Collection. However, most specimens were collected for this study witha Turtox Indestructible™ dip net, the typical procedurebeing to pass the net over the bottom of lentic waters, usually in the littoral zone, making several sweeps in rapid succession. A few specimenswere collected by picking through gravel along the margins of streams and retrieving the beetles with forceps. One specimen was collected underthe lights in a parking lot at night. Aneffort was made to sample every available habitat, in every season.Collections were made at the followingnumbered stations on the designated dates:1. Brown Lake (SW/4 S20, T18N, R1E) 4-IX-84 17. Woodland pond (S36, T19N, R2W) 3-XI-842. Eleven Point River @ St Hwy 93 18. Temporary pool in woods (NE!4 S34, T19N, R2W) 3-XI-84(NE!4 SI, T20N, R2W) 8-IX-84 19. Creek fed by spring @ Ravenden Spgs3. Lake @ Old Davidsonville St Pk (S35, T18N, R1W) 8-IX-84 (SE'/i S6, T19N, R2W) 3-X1-844. Baltz Lake (SEV4 S22, T19N, R1E) 9-IX-84 20. Same as No. 1 3-XI-845. Small Creek (SW/4 S20, T20N, R1E) ll-IX-84 21. Temporary pool beside St Hwy 2616. Pond 1 mi N Pocahontas (NE'/4 S16, T19N, R1E) ll-IX-84 (NW/4 S15, T20N, R1E) 4-XI-847. Flooded rice field (NE'/4 S24, T19N, R1E) ll-IX-84 22. Permanent spring (NEV4 S7, T20N, RIE) 4-XI-848. Cypress Lateral @ St Hwy 90 23. Stock pond (SW/4 S26, T20N, R1W) 4-XI-84(NE'/4 S13, T18N, R1E) ll-IX-84 24. Woodland pond (SW/4 S26, T20N, R1E) 12-111-859. Big Creek @ St Hwy 328 (NW/4 S4, T20N, R2E) 20-IX-84 25. Temporary pool in grassy field10. Temporary pool in dirt road (boundary S5-8, (SW/4 S26, T20N, R1E) 12-111-85T20N, R3E) 20-IX-84 26. Temporary pool in woods (SE'/i S20, T18N, R1E) 12-111-8511. Janes Creek @ St Hwy 90 (SW/4 S7, T19N, R2W) 23-IX-84 27. Pool left by receding Janes Creek12. Janes Creek (SW/4 S19, T20N, R2W) 23-IX-84 (SW/4 S7, T19N, R2W) 15-111-8513. Stock pond (NW/4 S28, T21N, R2W) 23-IX-84 28. Black River (SW/4 S35, T18N, R1W) 15-111-8514. Diles Creek @ St Hwy 93 (SE'/4 S21, T21N, R2W) 23-IX-84 29. Fourche River 4 mi E Pocahontas @ U.S. Hwy 67 17-IX-7615. Oxbow lake beside Black River 30. Randolph County - exact location unknown 4-IV-80(NW/4 S4, T18N, R2E) 23-IX-84 31. Randolph County - exact location unknown 16-IV-8016. Wal-Mart parking lot, under lights 32. Eleven Point River S St Hwy 93(SW/4 S28, T19N, R1E) 26-IX-84 (SE'/4 SI, T20N, R2W) 7-III-81Thirty-two species and subspecies are known to occur in Randolph County (Table). This report extends the range of Hydroporus ouachitusfrom the Ouachita Mountains (Matta and Wolfe, 1981) northeast into the Ozark Plateau. The range of Coptotomus lenticus is extended somewhatto the southwest of that reported by Hilsenhoff (1980). Michael and Matta (1977) reported the range ofIlybius oblitus to be from Massachusettsto South Carolina. Our Randolph County specimens extend the range considerably westward.Dytiscidae were most often taken from shallow waters withemergent vegetation, and were characteristically absent from swift waters. Thisagrees with the observations of Pennak (1978). Laccophilus fasciatus rufus and Laccophilus proximus proximus followed this general trend, beingcommonly collected in all types of lentic habitats. These observations agree with those of Michael and Matta (1977). However, other species ex-hibited discernible habitat preferences. Members of the Heterosternuta group ofHydroporus (H. ouachitus, H.pulcher, and H. wickhami) wereinvariably collected along the margins ofclear streams and were frequently found at the air-water interface among gravel. Matta and Wolfe (1981)described this same preference of habitat for these species. Coptotomus venustus was almost always taken from lakes, ponds and large pools instreams, and was especially numerous in swampy oxbow lakes. Thermonectus basillaris was often taken from temporary pools, a point also madeby Michael and Matta (1977). The only specimen ofAgabus semivittatus was collected froma spring. This is significant, for many ASUMZ specimensof this species, from other parts of the state, confirm a preference for the spring habitat. This differs from the small streams and sloughs reportedas characteristic habitat by Michael and Matta (1977).ACKNOWLEDGMENTSWe gratefully acknowledge the assistance of David Lawson (Agabus, Ilybius), J. F. Matta (Hydroporus) and F. N. Young(Uvarus) in identifying some specimens.ANDERSON, R. D. 1971. A revision of the nearctic representativesof Hygrotus (Coleoptera: Dytiscidae). Ann. Entomol. Soc. Am.64(2):503-512.FARRIS, J. L., and G. L. HARP. 1982. Aquatic macroinvertebratesof three acid bogs onCrowley's Ridge innortheast Arkansas. Proc.Ark. Acad. Sci. 36:23-27.HARP, G. L., and P. A. HARP. 1980. Aquatic macroinvertebratesof Wapanocca National Wildlife Refuge. Proc. Ark. Acad. Sci.34:115-117.LITERATURE CITEDHILSENHOFF, W. L. 1975. Notes on nearctic Acilius (Dytiscidae),with the description of a new species. Ann. Entomol. Soc. Am.68(2):27 1-274.•HILSENHOFF, W. L.1980. Coptotomus (Coleoptera: Dytiscidae) ineastern North America withdescriptions of two new species. Trans.Am. Entomol. Soc. 105:461-471.HUGGINS, J. A., and G. L. HARP. 1983. Aquatic macroinverte-brates of the Hiatt Prairie region, Franklin County, Arkansas. Proc.Ark. Acad. Sci. 37:92-94.146Journal of the Arkansas Academy of Science, Vol. 39 [1985], Art. 47Published by Arkansas Academy of Science, 1985Arkansas Academy of Science Proceedings, Vol. XXXIX,1985 147Arkansas Academy of ScienceTable. Dytiscidae known tooccur inRandolph County, Arkansas. Staterecords are designated by an asterisk.STATIONS3017TAXA(Blatchley)CrotchLeConteBideaaonotue inaonapicuua (LeConte) 1,6,10,11,15,20,256131,4,6,7,8,11,12,13,15,20,2123,21,26,28YoungHllsenhcSaylybiatcr fimbriolatua fimbriolatus (Say) 16293,11178275,9,12,14,193,9,115,9,11,12,1412,14,185,9,1731*Graphoderu8 perplexus SharpSharp.",(.' . ,' ;'.<.' !111-11i¦Sharp;rlydroporuB ouaohitus Matta & WolfeLeConte.';•SharpFa 11SharpFall**l-.ilIllydroporue undulatua Say 24,25,27Hydroporua vittatipcnnio Gemmlnger & Von Harold 2,3,11,12,14,15,28ift2,5,11 ,12,14,194,61332ZaitzevMelshelmer(LeConte)SharpLaoaophilua faaciatus rufue Melshelmer 5,7,8,9,10,11,13,17,21,23LcLQCophilua maculosuB macutosus Say 2,11,13accophilua proximua pvoximua Say 2,3,4,6,7,8,9,10,11,13,17,21,23,25Neobideeeua pullue pullus (LeConte) 27¦b*hermoneotU8 baaillat'is (Harris) 10,12,15,17,18,21Thermonectua ornatioollie (Aube) 10,15,231,11,13,14,15(Say)ariFall (fide F. N. Young).abris Sharp (s.s.)MATTA, J. F., and G. W. WOLFE. 1979. New species of nearcticHydroporus (Coleoptera: Dytiscidae). Proc. Biol. Soc. Wash.92(2):287-293.MATTA,J. F.,andG. W. WOLFE. 1981. Arevision of the subgenusHeterosternuta Strand of Hydroporus Clairville (Coleoptera:Dytiscidae). Pan-Pacific Ent. 57(1): 176-219.MICHAEL, A. C, and J. F. MATTA. 1977. The Dytiscidae ofVirginia (Coleoptera: Adephaga) (Subfamilies: Laccophilinae, Col-ymbetinae, Dytiscinae, Hydaticinae and Cybistrinae). The insectsof Virginia: No. 12. Virginia Poly. Inst. State Univ.Res. Div. Bull.124. vi + 53 pp.PENNAK, R. W. 1978. Fresh-water invertebrates of the UnitedStates. John Wiley & Sons. New York. 803 pp.ROUGHLEY, R. E., and D. H. PENGELLY. 1981. Classification,phylogeny, and zoogeography of Hydaticus Leach (Coleoptera:Dytiscidae) of North America. Quaes. Ent. 17:249-309.YOUNG, F. N. 1953. Two new species of Matus, with a key to theknown species and subspecies of the genus (Coleoptera: Dytiscidae).Ann. Entomol. Soc. Am. 46:49-55.MARKA. PIPPENGER, and GEORGE L. HARP, Department ofBiological Sciences, Arkansas State University, State University, AR 72467.NEW AND INTERESTING PLANTS FOR THE ARKANSAS FLORASeveral plants have been collected that have not been reported previously as occurring in the state or have been cited from a single locationby Smith (1978). Plants known only from western or central Arkansas are now cited from the eastern part of the state.The plants are listed alphabetically by families and genera. Fernald (1950), Radford et al (1968) and Steyermark (1963) have been used forplant identification. Nomenclature follows Kartesz and Kartesz (1980) and Smith (1978). The majority of the plants have been collected by theauthor and are on file in the Arkansas State University Herbarium (STAR) or have been collected by others and are cited accordingly.MONOCOTYLEDONEAE (Monocotyledons)Cyperaceae (Sedge Family)Carex albolutescens Schwein.Craighead Co., west Jonesboro in wet area near rice mill. E. L. Richards, 7510; May 24, 1979. T14N, R3E, S12. Reported by Smith (1978) forJefferson County and has been collected also in Clay and Garland counties (Gary Tucker, personal communication).Monroe Co., wet woods and flooded area. E. L. Richards, 6156; June 30, 1973. T2N, R3W, S27Liliaceae (LilyFamily)Veratrum woodii RobbinsFulton Co., east Mammouth Springs on steep hillside. E. L. Richards, 8250; June 30, 1984. T21N, R5W, S8. Reported in Smith (1978) forLogan and Polk counties.Poaceae (Grass Family)Tridens eragrostoides (Vasey & Scribn.) NashPhillips Co., edge of water below Storm Creek Lake. E. L. Richards, 4350; August 17, 1965. T1S, R5E, S20. Lemmas 2 mm long and lateralnerves not excurrent. Closest species is Tridens flavus (L.) Hitchcock. This plant is cited here as new to the state.CMoris virgata Sw.Craighead Co., edge of Jonesboro High School track complex. E. L. Richards, 5877; September 17, 1971. T14N, R4E, S19. This plant wasreported by Smith (1970) for Arkansas County.Phillips Co., edge of water below Storm Creek Lake. E. L. Richards, 4349; August 17, 1965. T1S, R5E, S20.147Journal of the Arkansas Academy of Science, Vol. 39 [1985], Art. 47http://scholarworks.uark.edu/jaas/vol39/iss1/47

Dytiscidae from Randolph County, Arkansas

UARK (University of Arkansas )

Journal of the Arkansas Academy of Science Volume 39 Article 47 1985 Dytiscidae from Randolph County, Arkansas Mark A. Pippenger Arkansas State University George L. Harp Arkansas State University Follow this and additional works at: https://scholarworks.uark.edu/jaas  Part of the Entomology Commons Recommended Citation Pippenger, Mark A. and Harp, George L. (1985) "Dytiscidae from Randolph County, Arkansas," Journal of the Arkansas Academy of Science: Vol. 39 , Article 47. Available at: https://scholarworks.uark.edu/jaas/vol39/iss1/47 This article is available for use under the Creative Commons license: Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0). Users are able to read, download, copy, print, distribute, search, link to the full texts of these articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. This General Note is brought to you for free and open access by ScholarWorks@UARK. It has been accepted for inclusion in Journal of the Arkansas Academy of Science by an authorized editor of ScholarWorks@UARK. For more information, please contact scholar@uark.edu. 146 Arkansas Academy of Science Proceedings, Vol. XXXIX,1985General NotesDYTISCIDAE FROM RANDOLPH COUNTY, ARKANSASThe purpose of this paper is to present a list of the species and subspecies of Dytiscidae known to occur in Randolph County, Arkansas.This is the first such compilation for an Arkansas county, though other papers have reported the occurrence ofvarious dytiscid species in Arkansas(Young, 1953; Anderson, 1971; Hilsenhoff, 1975, 1980; Matta and Wolfe, 1979, 1981; Harp and Harp, 1980; Roughley and Pengelly, 1981; Farrisand Harp, 1982; Huggins and Harp, 1983). Randolph County was chosen because it encompasses parts ofboth the Ozark Plateau and the Mississip-pi AlluvialPlain. It was anticipated that this diversity would increase the number of dytiscid species available for collection.Some information was taken from examination of specimens in the Arkansas State University Museum of Zoology (ASUMZ) AquaticMacroinvertebrate Collection. However, most specimens were collected for this study witha Turtox Indestructible™ dip net, the typical procedurebeing to pass the net over the bottom of lentic waters, usually in the littoral zone, making several sweeps in rapid succession. A few specimenswere collected by picking through gravel along the margins of streams and retrieving the beetles with forceps. One specimen was collected underthe lights in a parking lot at night. Aneffort was made to sample every available habitat, in every season.Collections were made at the followingnumbered stations on the designated dates:1. Brown Lake (SW/4 S20, T18N, R1E) 4-IX-84 17. Woodland pond (S36, T19N, R2W) 3-XI-842. Eleven Point River @ St Hwy 93 18. Temporary pool in woods (NE!4 S34, T19N, R2W) 3-XI-84(NE!4 SI, T20N, R2W) 8-IX-84 19. Creek fed by spring @ Ravenden Spgs3. Lake @ Old Davidsonville St Pk (S35, T18N, R1W) 8-IX-84 (SE'/i S6, T19N, R2W) 3-X1-844. Baltz Lake (SEV4 S22, T19N, R1E) 9-IX-84 20. Same as No. 1 3-XI-845. Small Creek (SW/4 S20, T20N, R1E) ll-IX-84 21. Temporary pool beside St Hwy 2616. Pond 1 mi N Pocahontas (NE'/4 S16, T19N, R1E) ll-IX-84 (NW/4 S15, T20N, R1E) 4-XI-847. Flooded rice field (NE'/4 S24, T19N, R1E) ll-IX-84 22. Permanent spring (NEV4 S7, T20N, RIE) 4-XI-848. Cypress Lateral @ St Hwy 90 23. Stock pond (SW/4 S26, T20N, R1W) 4-XI-84(NE'/4 S13, T18N, R1E) ll-IX-84 24. Woodland pond (SW/4 S26, T20N, R1E) 12-111-859. Big Creek @ St Hwy 328 (NW/4 S4, T20N, R2E) 20-IX-84 25. Temporary pool in grassy field10. Temporary pool in dirt road (boundary S5-8, (SW/4 S26, T20N, R1E) 12-111-85T20N, R3E) 20-IX-84 26. Temporary pool in woods (SE'/i S20, T18N, R1E) 12-111-8511. Janes Creek @ St Hwy 90 (SW/4 S7, T19N, R2W) 23-IX-84 27. Pool left by receding Janes Creek12. Janes Creek (SW/4 S19, T20N, R2W) 23-IX-84 (SW/4 S7, T19N, R2W) 15-111-8513. Stock pond (NW/4 S28, T21N, R2W) 23-IX-84 28. Black River (SW/4 S35, T18N, R1W) 15-111-8514. Diles Creek @ St Hwy 93 (SE'/4 S21, T21N, R2W) 23-IX-84 29. Fourche River 4 mi E Pocahontas @ U.S. Hwy 67 17-IX-7615. Oxbow lake beside Black River 30. Randolph County - exact location unknown 4-IV-80(NW/4 S4, T18N, R2E) 23-IX-84 31. Randolph County-exact location unknown 16-IV-8016. Wal-Mart parking lot, under lights 32. Eleven Point River S St Hwy 93(SW/4 S28, T19N, R1E) 26-IX-84 (SE'/4 SI, T20N, R2W) 7-III-81Thirty-two species and subspecies are known to occur in Randolph County (Table). This report extends the range of Hydroporus ouachitusfrom the Ouachita Mountains (Matta and Wolfe, 1981) northeast into the Ozark Plateau. The range of Coptotomus lenticus is extended somewhatto the southwest of that reported by Hilsenhoff (1980). Michael and Matta (1977) reported the range ofIlybius oblitus to be from Massachusettsto South Carolina. Our Randolph County specimens extend the range considerably westward.Dytiscidae were most often taken from shallow waters withemergent vegetation, and were characteristically absent from swift waters. Thisagrees with the observations of Pennak (1978). Laccophilus fasciatus rufus and Laccophilus proximus proximus followed this general trend, beingcommonly collected in all types of lentic habitats. These observations agree with those of Michael and Matta (1977). However, other species ex-hibited discernible habitat preferences. Members of the Heterosternuta group ofHydroporus (H. ouachitus, H.pulcher, and H. wickhami) wereinvariably collected along the margins ofclear streams and were frequently found at the air-water interface among gravel. Matta and Wolfe (1981)described this same preference of habitat for these species. Coptotomus venustus was almost always taken from lakes, ponds and large pools instreams, and was especially numerous in swampy oxbow lakes. Thermonectus basillaris was often taken from temporary pools, a point also madeby Michael and Matta (1977). The only specimen ofAgabus semivittatus was collected froma spring. This is significant, for many ASUMZ specimensof this species, from other parts of the state, confirm a preference for the spring habitat. This differs from the small streams and sloughs reportedas characteristic habitat by Michael and Matta (1977).ACKNOWLEDGMENTSWe gratefully acknowledge the assistance of David Lawson (Agabus, Ilybius), J. F. Matta (Hydroporus) and F. N. Young(Uvarus) in identifying some specimens.ANDERSON, R. D. 1971. A revision of the nearctic representativesof Hygrotus (Coleoptera: Dytiscidae). Ann. Entomol. Soc. Am.64(2):503-512.FARRIS, J. L., and G. L. HARP. 1982. Aquatic macroinvertebratesof three acid bogs onCrowley's Ridge innortheast Arkansas. Proc.Ark. Acad. Sci. 36:23-27.HARP, G. L., and P. A. HARP. 1980. Aquatic macroinvertebratesof Wapanocca National Wildlife Refuge. Proc. Ark. Acad. Sci.34:115-117.LITERATURE CITEDHILSENHOFF, W. L. 1975. Notes on nearctic Acilius (Dytiscidae),with the description of a new species. Ann. Entomol. Soc. Am.68(2):27 1-274. •HILSENHOFF, W. L.1980. Coptotomus (Coleoptera: Dytiscidae) ineastern North America withdescriptions of two new species. Trans.Am. Entomol. Soc. 105:461-471.HUGGINS, J. A., and G. L. HARP. 1983. Aquatic macroinverte-brates of the Hiatt Prairie region, Franklin County, Arkansas. Proc.Ark. Acad. Sci. 37:92-94.146Journal of the Arkansas Academy of Science, Vol. 39 [1985], Art. 47Published by Arkansas Academy of Science, 1985Arkansas Academy of Science Proceedings, Vol. XXXIX,1985 147Arkansas Academy of ScienceTable. Dytiscidae known tooccur inRandolph County, Arkansas. Staterecords are designated by an asterisk.STATIONS3017TAXA(Blatchley)CrotchLeConteBideaaonotue inaonapicuua (LeConte) 1,6,10,11,15,20,256131,4,6,7,8,11,12,13,15,20,2123,21,26,28YoungHllsenhcSaylybiatcr fimbriolatua fimbriolatus (Say) 16293,11178275,9,12,14,193,9,115,9,11,12,1412,14,185,9,1731*Graphoderu8 perplexus SharpSharp.",(.' . ,' ;'.<.' !111- 11i¦Sharp;rlydroporuB ouaohitus Matta & WolfeLeConte.';•SharpFa 11SharpFall**l-.ilIllydroporue undulatua Say 24,25,27Hydroporua vittatipcnnio Gemmlnger & Von Harold 2,3,11,12,14,15,28ift2,5,11 ,12,14,194,61332ZaitzevMelshelmer(LeConte)SharpLaoaophilua faaciatus rufue Melshelmer 5,7,8,9,10,11,13,17,21,23LcLQCophilua maculosuB macutosus Say 2,11,13accophilua proximua pvoximua Say 2,3,4,6,7,8,9,10,11,13,17,21,23,25Neobideeeua pullue pullus (LeConte) 27¦b*hermoneotU8 baaillat'is (Harris) 10,12,15,17,18,21Thermonectua ornatioollie (Aube) 10,15,231,11,13,14,15(Say)ariFall (fide F. N. Young).abris Sharp (s.s.)MATTA, J. F., and G. W. WOLFE. 1979. New species of nearcticHydroporus (Coleoptera: Dytiscidae). Proc. Biol. Soc. Wash.92(2):287-293.MATTA,J. F.,andG. W. WOLFE. 1981. Arevision of the subgenusHeterosternuta Strand of Hydroporus Clairville (Coleoptera:Dytiscidae). Pan-Pacific Ent. 57(1): 176-219.MICHAEL, A. C, and J. F. MATTA. 1977. The Dytiscidae ofVirginia (Coleoptera: Adephaga) (Subfamilies: Laccophilinae, Col-ymbetinae, Dytiscinae, Hydaticinae and Cybistrinae). The insectsof Virginia: No. 12. Virginia Poly. Inst. State Univ.Res. Div. Bull.124. vi + 53 pp.PENNAK, R. W. 1978. Fresh-water invertebrates of the UnitedStates. John Wiley & Sons. New York. 803 pp.ROUGHLEY, R. E., and D. H. PENGELLY. 1981. Classification,phylogeny, and zoogeography of Hydaticus Leach (Coleoptera:Dytiscidae) of North America. Quaes. Ent. 17:249-309.YOUNG, F. N. 1953. Two new species of Matus, with a key to theknown species and subspecies of the genus (Coleoptera: Dytiscidae).Ann. Entomol. Soc. Am. 46:49-55.MARKA. PIPPENGER, and GEORGE L. HARP, Department ofBiological Sciences, Arkansas State University, State University, AR 72467.NEW AND INTERESTING PLANTS FOR THE ARKANSAS FLORASeveral plants have been collected that have not been reported previously as occurring in the state or have been cited from a single locationby Smith (1978). Plants known only from western or central Arkansas are now cited from the eastern part of the state.The plants are listed alphabetically by families and genera. Fernald (1950), Radford et al (1968) and Steyermark (1963) have been used forplant identification. Nomenclature follows Kartesz and Kartesz (1980) and Smith (1978). The majority of the plants have been collected by theauthor and are on file in the Arkansas State University Herbarium (STAR) or have been collected by others and are cited accordingly.MONOCOTYLEDONEAE (Monocotyledons)Cyperaceae (Sedge Family)Carex albolutescens Schwein.Craighead Co., west Jonesboro in wet area near rice mill. E. L. Richards, 7510; May 24, 1979. T14N, R3E, S12. Reported by Smith (1978) forJefferson County and has been collected also in Clay and Garland counties (Gary Tucker, personal communication).Monroe Co., wet woods and flooded area. E. L. Richards, 6156; June 30, 1973. T2N, R3W, S27Liliaceae (LilyFamily)Veratrum woodii RobbinsFulton Co., east Mammouth Springs on steep hillside. E. L. Richards, 8250; June 30, 1984. T21N, R5W, S8. Reported in Smith (1978) forLogan and Polk counties.Poaceae (Grass Family)Tridens eragrostoides (Vasey & Scribn.) NashPhillips Co., edge of water below Storm Creek Lake. E. L. Richards, 4350; August 17, 1965. T1S, R5E, S20. Lemmas 2 mm long and lateralnerves not excurrent. Closest species is Tridens flavus (L.) Hitchcock. This plant is cited here as new to the state.CMoris virgata Sw.Craighead Co., edge of Jonesboro High School track complex. E. L. Richards, 5877; September 17, 1971. T14N, R4E, S19. This plant wasreported by Smith (1970) for Arkansas County.Phillips Co., edge of water below Storm Creek Lake. E. L. Richards, 4349; August 17, 1965. T1S, R5E, S20.147Journal of the Arkansas Academy of Science, Vol. 39 [1985], Art. 47https://scholarworks.uark.edu/jaas/vol39/is 1/47

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Dytiscidae from Randolph County, Arkansas

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