Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Waltham (Middlesex County, Massachusetts, USA)
List of families for Waltham (Middlesex County Massachusetts)
10 Families width 22 Species | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 4 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 6 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 1 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 4 | Species | Taxom | | Lycosidae (Lehtinen & H..., 1979) | Ground Spiders | 1 | Species | Taxom | | Gnaphosidae (Pocock, 1898) | Flat-bellied ground spiders | 1 | Species | Taxom | | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 2 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 1 | Species | Taxom |
Genera for Waltham (Middlesex County Massachusetts)
21 Genera with 22 Species #CDEFGHLMNPSTWX
| Castianeira Keyserling, 1847 | Ant-Mimic Sac Spiders | 1 | Species | Taxom | | Centromerus Dahl, 1882 | | 1 | Species | Taxom | | Coras Simon, 1881 | Funnel Web Spiders | 1 | Species | Taxom | | Dysdera Latreille, 2001 | | 1 | Species | Taxom | | Evarcha Simon, 1883 | | 1 | Species | Taxom | | Floricomus Crosby & Bishop, 1882 | | 1 | Species | Taxom | | Geolycosa Montgomery, 1842 | Burrowing wolf spiders | 1 | Species | Taxom | | Glyphesis Simon, 1882 | | 1 | Species | Taxom | | Haplodrassus Chamberlin, 1839 | | 1 | Species | Taxom | | Latrodectus Walckenaer, 1837 | Black widow spider | 1 | Species | Taxom | | Maso Simon, 1909 | | 1 | Species | Taxom | | Micrathena Sundevall, 1805 | | 1 | Species | Taxom | | Neoscona Simon, 1838 | Spotted orbweavers | 1 | Species | Taxom | | Phidippus C. L. Koch, 1883 | | 2 | Species | Taxom | | Phrurotimpus Chamberlin &..., 1847 | | 1 | Species | Taxom | | Salticus Latreille, 1757 | Zebra Spider | 1 | Species | Taxom | | Scotinella Banks, 1941 | | 1 | Species | Taxom | | Soulgas Crosby & Bishop, 1909 | | 1 | Species | Taxom | | Trachelas L. Koch, 1847 | Running Spider | 1 | Species | Taxom | | Walckenaeria Blackwall, 1882 | | 1 | Species | Taxom | | Xysticus Koch, 1847 | Ground Crab Spider | 1 | Species | Taxom |
Species list for Waltham (Middlesex County Massachusetts)
22 Species | Castianeira descripta Nicholas Mar..., 1847 | Red Spotted Ant Mimic Spider | | Centromerus longibulbus James Henry ..., 1882 | | | Coras juvenilis Eugen von Ke..., 1881 | | | Dysdera pristiphora Carlo Pesarini, 2001 | | | Evarcha hoyi (Peckham & Pe..., 1883) | ⇒ Evarcha proszynskii Marusik & Lo..., 1998 | | Floricomus rostratus James Henry ..., 1882 | | | Geolycosa fatifera (Nicholas Mar..., 1842) | ⇒ Geolycosa turricola Treat, 1880 | | Glyphesis scopulifer James Henry ..., 1882 | | | Haplodrassus signifer (C. L. Koch, 1839) | ⇒ Haplodrassus pugnans Simon, 1880 | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Maso alticeps James Henry ..., 1909 | | | Micrathena gracilis Charles Atha..., 1805 | Orb Weavers | | Neoscona crucifera Lucas, 1838 | Barn spider | | Phidippus audax (Nicholas Mar..., 1845) | ⇒ Salticus variegatus Hentz, 1845 | | Phidippus princeps Peckham & Pe..., 1883 | Grayish Jumping Spider | | Phrurotimpus alarius (Nicholas Mar..., 1847) | ⇒ Phrurotimpus borealis James Henry ..., 1911 | | Salticus scenicus (Clerck, 1757) | ⇒ Salticus cingulatus Panzer, 1797 | | Scotinella brittoni Willis J. Ge..., 1941 | | | Soulgas corticarius (James Henry ..., 1909) | ⇒ Oedothorax seminolus Wilton Ivie ..., 1935 | | Trachelas tranquillus Nicholas Mar..., 1847 | Broad faced sac spider | | Walckenaeria pallida James Henry ..., 1882 | | | Xysticus ferox Nicholas Mar..., 1847 | Tan Crab Spider |
Subnodes of Arachnida with occurrences in Waltham (Middlesex County Massachusetts)
 | | 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
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