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Eustala anastera (Walckenaer, 1842)

humpbacked orbweaver

Eustala anastera (Walckenaer, 1842) Habitus

FAMILY: ARANEIDAE Simon, 1895
    Genus: Eustala Simon, 1895
        Species: Eustala anastera (Walckenaer, 1842) LSID
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Author: Shorthouse, David P. Biography

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Common Names

Family Common Name:  orbweavers
Genus Common Name:  none
Species Common Name:  humpbacked orbweaver

Distribution

Global Distribution: North, Central America
Nearctic States & Provinces: Click for State/Province abbreviations AB MB NB NS ON QC SK AL CO FL KS LA MA NH OK PA SC TX
Collection Locales Mapped by Year Collected: 

Eustala anastera (Walckenaer, 1842) collection map
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Specimen Search

Specimen list
44, 88

Google Earth

GeoRSS

Natural History, Phenology & Image(s)

Feeding Guild: orb weavers
Feeding guild when noted defined by Uetz, G. W., J. Halaj, and A. B. Cady. 1999. Guild structure of spiders in major crops. Journal of Arachnology 27:270-280. PDF
Habitat (published): (not yet published or unknown)
Habitat (<30 randomly chosen specimens): Garden; Low brach birch tree, bank or river; coll.-29 Apr 1965, final moult-5 May; Small plants; Open marsh forest; Webworm nest; Balsam fir + White spruce; Dune conifers; Deciduous swamp forest; Nest of Sceliphron; Meadow; Conifer; Active at night collected at center of orbweb; Bush and Cornus + Rose; Attick of building; Mixed woods; Shrubs along Sask. River; Grass + Schrubs; On bushes in aok woods; Tamarack; Sagebrush. River valley; Schrubs; Chokecherry; mixed deciduous forest foliage; Pine forest; Forest; Weeds around pond; Solidago field; Deciduous forest; Apple tree;

Life & Natural History: (not yet recorded or unknown)

Seasonality of Specimen Records:


Image(s) of Habitus:
Eustala anastera (Walckenaer, 1842) habitus
Credit: Buckle, Don
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Details About Males

Description: (not yet recorded or unknown)

Male Dimensions:
Male dimensionsA = 2.77 mm 
A+B = 5.16 mm 
C = 2.24 mm 
Image of External Male Genitalia:
Eustala anastera (Walckenaer, 1842) palp
Credit: Buckle, Don
LinkIT

Details About Females

Description: (not yet recorded or unknown)

Female Dimensions:
Female dimensions A = 2.92 mm 
A+B = 7.29 mm 
C = 2.52 mm 
Image of Epigynum:

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Descriptions Source:
Dondale, C. D., J. H. Redner, P. Paquin & H. W. Levi. 2003. The insects and arachnids of Canada. Part 23. The orb-weaving spiders of Canada and Alaska (Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae). NRC Research Press, Ottawa, 371 pp.

Synonyms and Chresonyms

Epeira apotroga Walckenaer 1842 urn:lsid:ubio.org:namebank:2057215
Epeira decolorata Walckenaer 1842 urn:lsid:ubio.org:namebank:2057218
Epeira eustala Walckenaer 1842 urn:lsid:ubio.org:namebank:2057214
Epeira illustrata Walckenaer 1842 urn:lsid:ubio.org:namebank:2057217
Epeira spatulata Walckenaer 1842 urn:lsid:ubio.org:namebank:2057216
Epeira subfusca Walckenaer 1842 urn:lsid:ubio.org:namebank:2057222
Epeira triflex Walckenaer 1842 urn:lsid:ubio.org:namebank:2057220
Epeira trinotata Walckenaer 1842 urn:lsid:ubio.org:namebank:2057221
Epeira vivida Walckenaer 1842 urn:lsid:ubio.org:namebank:2057219
Eustala anastera Walckenaer 1842 urn:lsid:ubio.org:namebank:9735312
Epeira bombycinaria Hentz 1847 urn:lsid:ubio.org:namebank:2057225
Epeira hebes Hentz 1847 urn:lsid:ubio.org:namebank:2057224
Epeira prompta Hentz 1847 urn:lsid:ubio.org:namebank:2057223
Epeira bombycinaria Keyserling 1892 urn:lsid:ubio.org:namebank:2057226
Epeira anastera McCook 1894 urn:lsid:ubio.org:namebank:2057227
Eustala anastera Simon 1895 urn:lsid:ubio.org:namebank:2057229
Eustala anastera F. O. P.-Cambridge 1904 urn:lsid:ubio.org:namebank:2057230
Eustala anastera Petrunkevitch 1930 urn:lsid:ubio.org:namebank:2057231
Eustala anastera Comstock 1940 urn:lsid:ubio.org:namebank:2057232
Eustala anastera Muma 1943 urn:lsid:ubio.org:namebank:2057233
Eustala anastera Kaston 1948 urn:lsid:ubio.org:namebank:2057235
Eustala anastera Archer 1951 urn:lsid:ubio.org:namebank:9735313
Eustala anastera Levi 1977 urn:lsid:ubio.org:namebank:2057238
Eustala anastera Coddington 1990 urn:lsid:ubio.org:namebank:2057241
Eustala anastera Breene et al. 1993 urn:lsid:ubio.org:namebank:2057242
Eustala anastera Levi 2002 urn:lsid:ubio.org:namebank:2010392
Eustala anastera Dondale et al. 2003 urn:lsid:ubio.org:namebank:2010391
Eustala anastera Paquin & Dupérré 2003 urn:lsid:ubio.org:namebank:2010393

Taxonomic References Instructions

Archer, A. F. 1951. Studies in the orbweaving spiders (Argiopidae). 1. Am. Mus. Novit. 1487: 1-52. To publisher...

Breene, R. G., D. A. Dean, M. Nyffeler & G. B. Edwards. 1993. Biology, Predation Ecology, and Significance of Spiders in Texas Cotton Ecosystems with a Key to Species. Texas Agriculture Experiment Station, College Station, 115 pp.

Cambridge, F. O. P.-. 1904. Arachnida - Araneida and Opiliones. In Biologia Centrali-Americana, Zoology. London, 2: 465-560.

Chamberlin, R. V. & W. Ivie. 1944. Spiders of the Georgia region of North America. Bull. Univ. Utah 35(9): 1-267.

Chickering, A. M. 1955. The genus Eustala (Araneae, Argiopidae) in Central America. Bull. Mus. comp. Zool. Harv. 112: 391-518.

Coddington, J. A. 1990. Ontogeny and homology in the male palpus of orb-weaving spiders and their relatives, with comments on phylogeny (Araneoclada: Araneoidea, Deinopoidea). Smithson. Contrib. Zool. 496: 1-52.

Comstock, J. H. 1940. The spider book, revised and edited by W. J. Gertsch. Cornell Univ. Press, Ithaca, xi + 727 pp.

Dondale, C. D., J. H. Redner, P. Paquin & H. W. Levi. 2003. The insects and arachnids of Canada. Part 23. The orb-weaving spiders of Canada and Alaska (Araneae: Uloboridae, Tetragnathidae, Araneidae, Theridiosomatidae). NRC Research Press, Ottawa, 371 pp.

Hentz, N. M. 1847. Descriptions and figures of the araneides of the United States. Boston J. nat. Hist. 5: 443-478.

Kaston, B. J. 1948. Spiders of Connecticut. Bull. Conn. St. geol. nat. Hist. Surv. 70: 1-874.

Keyserling, E. 1892. Die Spinnen Amerikas. Epeiridae. Nürnberg, 4: 1-208.

Levi, H. W. 2002. Keys to the genera of araneid orbweavers (Araneae, Araneidae) of the Americas. J. Arachnol. 30: 527-562. PDF

Levi, H. W. 1977. The American orb-weaver genera Cyclosa, Metazygia and Eustala north of Mexico (Araneae, Araneidae). Bull. Mus. comp. Zool. Harv. 148: 61-127.

McCook, H. C. 1894. American spiders and their spinningwork. Philadelphia, 3: 1-285.

Muma, M. H. 1943. Common spiders of Maryland. Natural History Society of Maryland, Baltimore, 179 pp.

Paquin, P. & N. Dupérré. 2003. Guide d'identification des araignées de Québec. Fabreries, Suppl. 11 1-251.

Petrunkevitch, A. 1930. The spiders of Porto Rico. Part two. Trans. Connect. Acad. Arts Sci. 30: 159-356.

Simon, E. 1895. Histoire naturelle des araignées. Paris, 1: 761-1084.

Walckenaer, C. A. 1842. Histoire naturelle des Insects. Aptères. Paris, 2: 1-549.

Nomenclature and taxonomic references from the World Spider Catalog

Latest Literature from uBio: View!

Author of this page in progress: Shorthouse, David P. dshorthouse(at)eol.org
Text Last Modified: 2006-03-20T04:27:20Z