Eustala anastera (Walckenaer, 1842)
humpbacked orbweaver
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FAMILY: ARANEIDAE Simon, 1895 Genus: Eustala Simon, 1895 Species: Eustala anastera (Walckenaer, 1842)  |
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Author: Shorthouse, David P.  Page in progress:  Visitor Comments:  (0)
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Common Names
Family Common Name:
orbweavers
Genus Common Name:
none
Species Common Name:
humpbacked orbweaver
Point Collections & Seasonality
Global Distribution: North, Central America
Nearctic States & Provinces: AB MB NB NS ON QC SK AL CO FL KS LA MA NH OK PA SC TX
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Seasonality
Specimen Search
Specimen list |
, 88
Natural History & 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): apple orchard foliage; Webworm nest; Barren; Conifer; Woods; Balsam fir + White spruce; Clearings in mixed forest recently cut; Pine forest; Edge of hardwood; Shrubs along Sask. River; Deciduous swamp forest; Old field and wood edge spruce tree; Tamarack; Open marsh forest; Tree; Chokecherry; Low brach birch tree, bank or river; Deciduous forest; Gully vegetetation; Bush and Cornus + Rose; Schrubs; Apple tree; Sagebrush. River valley; Meadow; Garden; Nest of Sceliphron; Active at night collected at center of orbweb; mixed deciduous forest foliage; coll.-29 Apr 1965, final moult-5 May; Small plants;
Life & Natural History: (not yet recorded or unknown)
Image(s) of Habitus:
Details About Males
Description: (not yet recorded or unknown)
Male Dimensions:
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Image of External Male Genitalia: Credit: Buckle, Don |
Details About Females
Description: (not yet recorded or unknown)
Female Dimensions:
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Image of Epigynum: email an image |
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‡
Taxonomic References‡
Archer, A. F. 1951. Studies in the orbweaving spiders (Argiopidae). 1. Am. Mus. Novit. 1487: 1-52. 
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. 
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: 
Author of this page in progress: Shorthouse, David P. dshorthouse(at)eol.org
Text Last Modified: 2006-03-20T04:27:20Z