List of Spiders Likely to occur in
the E.S. George Reserve
(Michigan, Livingston County)
Species on list are here either because they have been recorded from
the George Reserve itself, or from contiguous counties, or from general
distribution in the southern half of the Lower Peninsula of Michigan
H.D. Cameron, University of Michigan
April 1993
Species marked by an asterisk (*) have been collected in the Reserve
ATYPIDAE
*Atypus niger (Hentz)
ULOBORIDAE
*Hyptiotes cavatus (Hentz)
*Uloborus glomosus (Walckenaer)
Octonoba octonaria (Muma) (HDC--Washtenaw Co. 6 Aug. 1978)
DICTYNIDAE
Argenna obesa Emerton
Dictyna altamira Gertsch & Davis
Dictyna angulata Emerton
Dictyna annulipes Blackwall
Dictyna bicornis Emerton
Dictyna bostonensis Emerton
Dictyna brevitarsus Emerton
*Dictyna coloradensis Chamberlin
Dictyna consulta Gertsch & Ivie (Ann Arbor 5 Aug. 1976-- HDC)
*Dictyna cruciata Emerton
*Dictyna foliacea Hentz
Dictyna formidulosa Gertsch and Ivie
*Dictyna hentzi Kaston
Dictyna longispina Emerton
Dictyna manitoba Ivie (McLain State Park)?
Dictyna minuta Emerton
*Dictyna pixi Chamberlin & Gertsch (May 13, 1949 Bohnsack)
Dictyna roscida Hentz
*Dictyna sublata Hentz
Dictyna terrestris Emerton
*Dictyna volucripes Keyserling
*Lathys foxi Marx
Lathys pallida Marx
FILISTATIDAE
*Kukulcania hibernalis (Hentz) [Filistata hibernalis Hentz]
AMAUROBIIDAE
Amaurobius ferox (Walckenaer)
Callobius bennetti (Blackwall)
*Titanoeca americana Emerton
*Titanoeca brunnea Emerton
*Titanoeca nigrella Chamberlin
PHOLCIDAE
Pholcus phalangioides (Fuesslin)
Spermophora meridionalis Hentz
SEGESTRIIDAE
*Ariadna bicolor (Hentz)
THERIDIIDAE
*Achaearanea globosa (Hentz)
Achaearanea rupicola (Emerton)
Achaearanea tepidariorum (C.L. Koch)
Argyrodes trigonum (Hentz) [Conopistha trigonum (Hentz)]
*Crustulina altera Gertsch & Archer
*Crustulina sticta Cambridge
*Dipoena nigra Keyserling
Dipoena prona (Menge) = Dipoena hamata Tullgren (Albion)
*Enoplognatha marmorata (Hentz)
*Enoplognatha tecta (Keyserling)
*Euryopis argentea Emerton
*Euryopis funebris (Hentz) = Euryopis limbata (Walcknaer)
*Euryopis gertschi Levi
*Euryopis argentea Emerton
*Latrodectus mactans (Fabricius)
Phoroncidia americana (Emerton)
Robertus banksi (Kaston)
Robertus eremophilus (Chamberlin) (Albion)
Robertus longipalpus (Kaston) (Albion)
*Robertus riparius (Keyserling)
*Robertus spinifer (Emerton) (Albion)
*Steatoda americana (Emerton)
*Steatoda borealis (Hentz)
Steatoda triangulosa (Walckenaer)
*Theridion alabamense Gertsch & Archer
Theridion albidum Banks (Newaygo Co.)
Theridion murarium Emerton
*Theridion differens Emerton
Theridion glaucescens Becker
Theridion berkeleyi Emerton
Theridion frondeum Hentz
Theridion pictum (Walckenaer) (= ornatum Hahn)
*Theridion tepidariorum (C.L. Koch)
*Theridula emertoni Levi
Thymoites unimaculatus (Emerton) = Paidisca unimaculata (Emerton)
LINYPHIIDAE: LINYPHIINAE
(N.B. species recorded from anywhere in Michigan in Roth 1988)
Agyneta olivacea (Emeront)
Atopogyna cornuipalpis (O. Pickard-Cambridge)
Bathyphantes brevis (Emerton)
*Bathyphantes pallidus (Banks) (perhaps)
Centromerus denticulatus (Emerton)
Centromerus latidens (Emerton)
*Centromerus persolutus (O. Pickard-Cambridge)
Centromerus sylvaticus (Blackwall)
*Frontinella pyramitela (Walckenaer)
Helophora insignis (Blackwall)
*Lepthyphantes aldersoni Levi and Levi
Lepthyphantes leprosus (Ohlert)
*Lepthyphantes. sabulosus Ivie
Lepthyphantes zebra (Emerton)
*Macrargus multesimus (O.P. Cambridge)
*Microneta viaria (Blackwall)
*Microlinyphia mandibulata (Emerton)
*Microlinyphia pusilla (Sundevall)
*Neriene clathrata (Sundevall)
*Neriene radiata (Walckenaer)
*Neriene variabilis (Banks)
Oreonetides rotundus (Emerton)
Oreonetides vaginatus (Thorell)
*Pityohyphantes costatus (Hentz)
*Prolinyphia marginata (C.L. Koch) [Linyphia marginata C.L. Koch]
*Tapinopa bilineata Banks (Petra Sierwald 5 Aug. 1995)
Wubana drassodes (Emerton)
LINYPHIIDAE: ERIGONINAE (MICRYPHANTIDAE)
*Ceraticelus emertoni (O.P. Cambridge) (WJG)
*Ceraticelus fissiceps (O. Pickard-Cambridge) ?
Ceraticelus minutus (Emerton) ?
Ceratinella brunnea Emerton ?
Ceratinopsis laticeps Emerton
*Cornicularia minuta Emerton
*Eperigone maculata (Banks)
Grammonota ornata (O. Pickard-Cambridge)
*Hypselistes florens (O. Pickard-Cambridge)
Maso sundevalli (Westring) ?
*Originates rostratus (Emerton)
Sciastes truncatus (Emerton) ?
*Scylaceus pallidus (Emerton)
Scotinotylus pallidus (Emerton)
*Sisicus penifusifer Crosby & Bishop
Walckenaeria atrotibialis (O. Pickard-Cambridge)
Walckenaeria auranticeps (Emerton)
Walckenaeria castanea (Emerton)
Walckenaeria communis (emerton)
Walckenaeria directa (O. PIckard-Cambridge)
Walckenaeria exigua Milledge
*Walckenaeria minuta (Emerton)
Walckenaeria pallida (Emerton)
Walckenaeria spiralis (Emerton) ?
Walckenaeria subdirecta Milledge
Walckenaeria tibialis (Emerton)
ARANEIDAE
*Acanthepeira stellata (Walckenaer)
Araneus corticarius (Emerton)
Araneus diadematus Clerck
Araneus gemmoides Chamberlin & Ivie
Araneus guttulatus (Walckenaer)
*Araneus marmoreus Clerck
Araneus pratensis (Emerton) (formerly Singa pratensis Emerton)
*Araneus thaddeus (Hentz)
*Araneus trifolium (Hentz)
*Araniella displicata (Hentz)
*Argiope aurantia Lucas
*Argiope trifasciata Forskål
Cercidia prominens (Westring) (Lenawee Co. Platnick, Calhoun Co.)
Cyclosa conica (Pallas)
*Eustala anastera (Walckenaer)
Gea heptagon (Hentz)
*Hypsosinga variabilis (Emerton)
*Larinea borealis Banks
*Leucauge venusta (Walckenaer)
*Mangora maculata (Keyserling)
*Mangora gibberosa (Hentz)
Mangora placida (Hentz)
*Mastophora hutchinsoni Gertsch
*Micrathena gracilis (Walckenaer)
*Micrathena mitrata (Hentz)
*Micrathena sagittata (Walckenaer)
*Neoscona arabesca (Walckenaer)
*Neoscona benjamina (Walckenaer)
Neoscona domicliorum (Hentz)
Neoscona hentzii (Keyserling)
*Neoscona pratensis (Hentz)
*Nuctenea cornuta (Clerck)
Nuctenea patagiata (Clerck)
Nuctenea sclopetaria (Clerck)
TETRAGNATHIDAE
*Pachygnatha autumnalis Keyserling
*Pachygnatha furcillata Keyserling
Pachygnatha xanthostoma C.L. Koch
*Tetragnatha elongata Walckenaer
*Tetragnatha extensa (Linn.) (HDC)
*Tetragnatha laboriosa Hentz
*Tetragnatha straminea Emerton
Tetragnatha versicolor Walckenaer
AGELENIDAE
*Agelenopsis naevia (Walckenaer)
*Agelenopsis pennsylvanica (C.L.Koch)
*Agelenopsis utahana (Chamberlin & Ivie)
*Cicurina arcuata Keyserling [N.B. Lehtinen transferred Cicurina to the
Dictynidae]
*Cicurina itasca Chamberlin & Ivie
Cicurina pallida Keyserling (Ann Arbor, April 4, 1930 E.L. Miner)
*Coras lamellosus (Keyserling)
*Coelotes montanus Emerton [Coras montanus (Emerton)]
Cryphoeca montana Emerton
Cybaeota calcarata (Emerton)
*Wadotes calcaratus (Keyserling)
Wadotes hybridus (Emerton) (Ann Arbor May 18, 1937 I.J. Cantrall)
MIMETIDAE
*Ero leonina (Hentz)
Mimetus epeiroides Emerton
*Mimetus puritanus Chamberlin
HAHNIIDAE
*Antistea brunnea (Emerton)
Hahnia cinerea Emerton
*Neoantistea agilis (Keyserling)
Neoantistea magna (Keyserling)
PISAURIDAE
Dolomedes scriptus Hentzx
*Dolomedes striatus Giebel
*Dolomedes tenebrosus Hentz
*Dolomedes triton (Walckenaer)
*Pisaurina brevipes (Emerton)
*Pisaurina mira (Walckenaer)
LYCOSIDAE
Allocosa funerea (Hentz)
Arctosa emertoni Gertsch
Arctosa rubicunda (Keyserling)
*Geolycosa missouriensis (Banks)
*Gladicosa gulosa (Walckenaer)
*Gladicosa (Varacosa) avara (Keyserling)
Hogna aspersa (Hentz)
*Hogna baltimoriana (Keyserling)
Hogna caroliniensis (Walckenaer)
*Hogna frondicola (Emerton)
*Hogna helluo (Walckenaer)
*Hogna punctulata (Hentz)
Hogna rabida (Walckenaer)
*Pardosa distincta (Blackwall)
*Pardosa fuscula (Thorell)
Pardosa lapidicina Emerton
*Pardosa milvina (Hentz)
Pardosa modica (Blackwall)
*Pardosa moesta Banks
*Pardosa saxatilis (Hentz)
Pardosa xerampelina (Keyserling)
*Pirata arenicola Emerton
Pirata asperans Chamberlin
Pirata cantralli Wallace & Exline
Pirata insularis Emerton
Pirata seminola Gertsch & Wallace
Pirata montanoides Banks
Pirata marxi Stone
*Pirata minutus Emerton
Pirata sedentarius Montgomery
*Pirata piraticus (Clerck)
Pirata zelotes Wallace & Exline
*Rabidosa rabida (Walckenaer)
*Schizocosa avida (Walckenaer)
*Schizocosa bilineata (Emerton)
Schizocosa crassipalpata Roewer
*Schizocosa crassipes (Walckenaer)
Schizocosa mccooki (Montgomery)
Schizocosa ocreata (Hentz)
Schizocosa saltatrix (Henttz)
Trabeops aurantiaca (Emerton)
Trebacosa marxi (Stone)
*Trochosa avara Keyserling
*Trochosa terricola Thorell
OXYOPIDAE
Oxyopes salticus Hentz (Midland Co.)
Oxyopes scalaris Hentz (Clare, Ionia, Lake, Midland Co.)
CLUBIONIDAE
*Agreoca ornata Banks
*Castianeira cingulata (C.L. Koch)
Castianeira descripta (Hentz)
*Castianeira longipalpa (Hentz)
*Castianeira trilineata (Hentz)
*Cheiracanthium inclusum (Hentz)
*Clubiona abboti L. Koch
*Clubiona abbotti L. Koch
Clubiona kastoni Gertsch
Clubiona maritima L. Koch
*Clubiona mixta Emerton
Clubiona moesta Banks
*Clubiona obesa Hentz
Clubiona pygmaea Banks
*Clubionoides excepta (L. Koch)
*Phrurotimpus alarius (Hentz)
*Phrurotimpus borealis (Emerton)
Phrurotimpus certus Gertsch
Scotinella redempta (Gertsch)
Trachelas deceptus (Banks)
Trachelas tranquillus (Hentz)
GNAPHOSIDAE
*Callilepis imbecilla (Keyserling)
*Cesonia bilineata (Hentz)
*Drassodes auriculoides Barrows
*Drassodes gosiutus Chamberlin [Geodrassus gosiutus (Chamberlin)]
*Drassodes gosiutus Chamberlin [Geodrassus phanus Chamberlin]
*Haplodrassus hiemalis (Emerton)
*Herpyllus ecclesiasticus Hentz [Herpyllus vasifer (Walckenaer)]
*Micaria longipes Emerton (transferred from Clubionidae)
*Micaria pulicaria (Sundevall) [Micaria montana Emerton] (transferred from
Clubionidae)
*Sergiolus capulatus (Walckenaer) [Sergiolus variegatus (Hentz)]
*Sosticus insularis (Banks)
*Zelotes fratris Chamberlin [Zelotes subterraneus (C.L. Koch)]
*Zelotes hentzi Barrows
ANYPHAENIDAE
*Anyphaena celer (Hentz)
Anyphaena pectorosa L. Koch
Aysha gracilis (Hentz)
Wulfila saltibundus (Hentz)
THOMISIDAE
*Coriarachne versicolor Keyserling
Misumena vatia (Clerck)
*Misumenoides formosipes (Walckenaer)
Misumenops oblongus (Keyserling)
*Misumenops asperatus (Hentz)
Ozyptila americana Banks
Ozyptila georgiana Keyserling
Ozyptila modesta (Schaeffer)
*Ozyptila monroensis Keyserling
*Synema bicolor Keyserling
Tmarus angulatus (Walckenaer)
*Xysticus bicuspis Keyserling (HDC-June 29, July 1 1nd 5 H.K. Wallace)
*Xysticus chippewa Gertsch
Xysticus discursans Keyserling
*Xysticus elegans Keyserling
*Xysticus ferox Hentz
*Xysticus fraternus Banks
Xysticus funestus Keyserling
Xysticus gulosus Keyserling
*Xysticus luctans (C.L. Koch) (May 24, 1939 I.J. Cantrall)
Xysticus pellax O. Pickard-Cambridge
Xysticus posti Sauer ?
Xysticus punctatus Keyserling
PHILODROMIDAE
Ebo iviei Sauer & Platnick
Ebo latithorax Keyserling
Philodromus cespitum (Walckenaer)
Philodromus exilis Banks
Philodromus histrio Latreille
*Philodromus imbecillus Keyserling
Philodromus infuscatus Keyserling (Washtenaw Co.)
Philodromus keyserlingi Marx
*Philodromus marxi Keyserling
Philodromus mineri Gertsch
*Philodromus minutus Banks [Philodromus satullus Keyserling]
Philodromus peninsulanus Gertsch
*Philodromus pernix Blackwall
Philodromus placidus Banks
Philodromus rufus Walckenaer
Philodromus spectabilis Keyserling
*Thanatus formicinus (Clerck)
Thanatus striatus C.L. Koch
*Tibellus duttoni (Hentz)
*Tibellus maritimus (Menge)
*Tibellus oblongus (Walckenaer)
SALTICIDAE
*Ademestina tibialis (C.L. Koch)
*Ballus youngii Peckham
*Eris marginata (Walckenaer) = Paraphidipus marginatus (Walckenaer)
*Evarcha falcata (Clerck) = Evarcha hoyi (Peckham)
*Habrocestum pulex (Hentz)
*Hentzia mitrata (Hentz) (Calhoun Co.)
*Hentzia palmarum (Hentz) (Calhoun, Jackson Co.)
*Icius formicarius Emerton
*Icius harti Emerton
*Maevia inclemens (Walckenaer) = Maevia vittata (Hentz)
Marpissa formosa (Banks) = Hyctia bina Hentz (Calhoun Co.)
*Marpissa bina (Hentz) (? doubtful; from NC FL)
*Marpissa grata (Gertsch)
*Marpissa lineata (C.L. Koch) [ Fuentes lineata (C.L. Koch)] (Jackson Co.
Waterloo Recreation Area)
*Marpisssa pikei (Peckham)
*Metacyrba undata (DeGeer) = Marpissa undata (DeGeer)
*Metaphidippus canadensis (Banks) (Calhoun Co.)
*Metaphidippus flavipedes (Peckham)
*Metaphidippus galathea (Walckenaer) [M. capitatus (Hentz)]
*Metaphidippus insignis (Banks)
Metaphidippus montanus (Emerton) (Midland Co.)
*Metaphidippus protervus (Walckenaer)
*Neon nellii Peckham
*Paradamoetas fontanus (Levi)
*Peckhamia picata (Hentz) (Clare, Midland)
Peckhamia scorpionia (Hentz) (Calhoun co.)
Pellenes (Habronattus) agilis (Banks)
Pellenes (Habronattus) borealis (Banks)
Pellenes (Habronattus) cognatus (Peckham)
*Pellenes (Habronattus) decorus (Blackwall) (Calhoun Co.)
Pellenes (Habronattus) texanus (Chamberlin)
Pellenes (Habronattus) viridipes (Hentz)
Pellenes (Habronattus) calcaratus maddisoni Griswold
Phidippus audax (Hentz)
*Phidippus clarus Keyserling
*Phidippus pius Scheffer
*Phidippus princeps (Peckham) = P. brunneus Emerton
Phidippus purpuratus Keyserling
*Phidippus whitmani Peckham
Phlegra fasciata (Hahn)
*Salticus scenicus (Clerck)
*Sassacus papenhoei Peckham
*Sitticus palustris (Peckham)
*Synemosyna formica Hentz
*Talavera minuta (Banks)
*Tutelina elegans (Hentz)
Tutelina hartii (Emerton) (Calhoun Co.)
*Tutelina similis (Banks)
*Zygoballus bettini Peckham
*Zygoballus nervosus (Peckham)