Wild Florida Photo - Gasteracantha cancriformis

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Gasteracantha cancriformis

SPINY ORB WEAVER

CRAB SPIDER

SPINYBACKED ORBWEAVER SPIDER

Florida native

 

Spiny orb weavers are one of the most easily identified spiders in Florida. Found throughout the state, especially in citrus groves, their range extends through the southern states to California and south into northern Argentina.
In Florida, the upper side of the abdomen is white with black spots and six red projections, commonly referred to as spines. The underside is black with tiny white dots. Gasteracantha cancriformis in other geographic areas may have other colorings. Females are 5-9mm (3/16-1/3 in.) long and 10-13mm(3/8-1/2in.) wide. The males are much smaller, longer than wide, and only 2-3mm(<1/8in.) long.

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Gasteracantha cancriformis is a member of the Araneidae - Orb-weavers family.
 

A Field Guide to the Tiger Beetles of the United States and Canada

   David L. Pearson; C. Barry Knisley; Daniel P. Duran; Charles J. Kazilek
 Identification, Natural History, and Distribution of the Cicindelinae

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A Field Guide to the Tiger Beetles of the United States and Canada
More than 2600 species of tiger beetles are found all over the world. In North America there are 116 species of tiger beetle, divided into 153 geographically distinct races. Detailed studies of their natural history, population dynamics, communities, patterns of worldwide species richness, and taxonomy of particular subgroups have produced much information. Tiger beetles are among the most widely investigated groups of insects, especially in terms of their ecology and geographic distribution.The first edition of A Field Guide to the Tiger Beetles of the United States and Canada, published in 2005, has served as a field and natural-history guide to all known species of tiger beetles found in North America above the Mexican border. The 2nd edition is a pleasant and comprehensible handbook of the identification, distribution, natural history, and habitat details of the 116 species of tiger beetles in North America. The updated handbook provides new information including observations of seasonality, range extensions and biology, a newly developed list of common names, and twenty-five artistically pleasing identification color plates. The second edition of A Field Guide to the Tiger Beetles of the United States and Canada provides essential information to recognize and easily identify tiger beetles for established naturalists and outdoor enthusiasts alike.


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Date record last modified:
Oct 27, 2017









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