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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Montgomery County (Maryland, USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
17
22
23
Families
Genera
Species
 
Taxom
 


List of families for Montgomery County (Maryland)
17 Families width 23 Species
Amaurobiidae Thorell, 1870Amaurobiids1SpeciesTaxom
Ascidae Oudemans, 19050SpeciesTaxom
Araneidae Simon, 1895Golden orb web spiders3SpeciesTaxom
Segestriidae Simon, 1893Six-eyed Spiders1SpeciesTaxom
Cunaxidae Thor, 1902Predatory Mites1SpeciesTaxom
Tetranychidae Donnadieu, 1875Spider mites2SpeciesTaxom
Amblyommidae Banks, 19071SpeciesTaxom
Dermanyssidae Kolenati, 1859Dermanyssid mites1SpeciesTaxom
Gnaphosidae Pocock, 1898Flat-bellied ground spiders1SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders5SpeciesTaxom
Uloboridae Thorell, 1869Cribellate orb weavers1SpeciesTaxom
Phalangiidae Latreille, 1802Daddy-Long-Legs1SpeciesTaxom
Macronyssidae Oudemans, 1936Macronyssid Mites1SpeciesTaxom
Pholcidae (C. L. Koch, 1851)Carpenter spider1SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Sironidae Simon, 18791SpeciesTaxom
Acaridae Latreille, 1802Acarid mites1SpeciesTaxom


Genera for Montgomery County (Maryland)
22 Genera with 23 Species
#ABCDLMOPST
Amaurobius Koch, 18301SpeciesTaxom
Arctoseius Thor, 1930
0SpeciesTaxom
Argiope Audouin, 1833Garden orbweavers1SpeciesTaxom
Ariadna Audouin, 18421SpeciesTaxom
Armascirus Den Heyer, 18811SpeciesTaxom
Bryobia Koch, 18351SpeciesTaxom
Cyclosa Menge, 1772Three-lobed Spiders1SpeciesTaxom
Dermacentor Koch, 1821Dog Ticks1SpeciesTaxom
Dermanyssus Dugès, 19231SpeciesTaxom
Drassyllus Chamberlin, 19041SpeciesTaxom
Latrodectus Walckenaer, 1841Black widow spider1SpeciesTaxom
Mastophora Holmberg, 1955Angling spiders1SpeciesTaxom
Octonoba Opell, 18801SpeciesTaxom
Opilio Herbst, 17781SpeciesTaxom
Ornithonyssus Sambon, 19131SpeciesTaxom
Parasteatoda Archer, 1841Comb-Clawed Spider1SpeciesTaxom
Pholcus Walckenaer, 17751SpeciesTaxom
Pityohyphantes Simon, 1850Hammock Spiders1SpeciesTaxom
Siro Latreille, 19631SpeciesTaxom
Steatoda Sundevall, 1802False black widows3SpeciesTaxom
Tetranychus Dufour, 18361SpeciesTaxom
Tyrophagus Oudemans, 19491SpeciesTaxom


Species list for Montgomery County (Maryland)
23 Species
Amaurobius ferox Walckenaer, 1830Black lace-weaver
Argiope aurantia Lucas, 1833American garden spider
Ariadna bicolor Nicholas Mar..., 1842
Armascirus taurus Kramer, 1881
Bryobia (Bryobia) praetiosa (C. L. Koch, 1835)⇒ Bryobia macrotibialis Mathys, 1962
Cyclosa conica Pallas, 1772Conical Trashline Orbweaver
Dermacentor variabilis Say, 1821American dog tick
Dermanyssus (Dermanyssus) americanus Ewing, 1923American bird mite
Drassyllus aprilinus Banks, 1904
Latrodectus geometricus C. L. Koch, 1841Brown black widow
Mastophora hutchinsoni Willis J. Ge..., 1955
Octonoba sinensis Simon, 1880
Opilio parietinus De Geer, 1778
Ornithonyssus bacoti Hirst, 1913Mite
Parasteatoda tepidariorum C. L. Koch, 1841American house false widow spider
Pholcus phalangioides (Fuesslin, 1775)⇒ Smeringopus pallidus Blackwall, 1858
Pityohyphantes costatus Nicholas Mar..., 1850Hammock spider
Siro exilis Hoffman, 1963
Steatoda borealis Nicholas Mar..., 1850Boreal Combfoot
Steatoda grossa C. L. Koch, 1838Brown house spider
Steatoda triangulosa Walckenaer, 1802Triangulate bud spider
Tetranychus (Tetranychus) urticae C. L. Koch, 1836Carmine spider mite
Tyrophagus (Tyrophagus) similis Volgin, 1949Grassland mite

Subnodes of Arachnida with occurrences in Montgomery County (Maryland)
SubclassDromopoda
Shultz, 1990
2
2
2
Families
Genera
Species

Taxom

SubclassMicrura
Ehrenberg, 1831
15
20
21
Families
Genera
Species

Taxom



Arachnida (Lamarck 1801)
Arachnida (Lamarck 1801)


Links, sources and further information
Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org