In fact, the lifespan lasts only until reproduction, which usually takes place in the spring following the winter when they hatched. Females are 5–9 millimetres (0.20–0.35 in) long and 10–13 mm (0.39–0.51 in) wide. Swedish zoologist, Carl Jakob Sundevall was the first to have described this species in the year 1833. Image Credits: I.redd.it, Upload.wikimedia.org, Barbaracasey.com, Your email address will not be published. They are not dangerous and would easily be overlooked if not for their unique coloration. One of the bright-hued spiders is the spiny orb weaver, Gasteracantha cancriformis. Spiny Orb-Weaver (Gasteracantha) The spiny-orb weaver belongs to the genus of orb-weaving spiders and has received its name because of the spiny texture visible on the abdomen. Color: They are a very colorful, easily recognized spider. [1], In Novo Hamburgo (southern Brazilian population), with focus on the web, Underside of orange specimen, showing spinner and thread. attack is non-poisonous, causing no serious harm to mankind. to build large-sized circular webs like most other orb-weavers for capturing Males are much smaller, ranging from 2 to 3 millimeters in length, and slight longer in width. The carapace, legs and underside are black with white spots under the abdomen. Though their abdomen resembles a crab shell because of the spikes present in the abdomen, one should not confuse them with. Spiny-backed Orbweavers are relatively diminutive arachnids with a body and carapace length of just under one-half (1/2) of an inch. Spiny Orb-weaver, Thorn-belly Orb-weaver, Jewel Box Spider, Crab-like Orb-weaver. Near Houston, Media related to Gasteracantha cancriformis at Wikimedia Commons, Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Gasteracantha_cancriformis&oldid=980268531, Articles needing additional references from May 2019, All articles needing additional references, Articles lacking in-text citations from April 2016, Creative Commons Attribution-ShareAlike License, Eberhard, William G. (2006): Stabilimenta of, This page was last edited on 25 September 2020, at 15:00. The egg sac of this species is a flattened mass of tangled bright yellowish-green silk, often with a thin, vertical stripe of dark green silk on top. The males are smaller in size, being 2-3mm in length and a little more in terms of width. prey. The spider species Gasteracantha cancriformis, commonly known as Spiny-backed Orb-weaver, belongs to the genus Gasteracantha, in the family Araneidae. Adult females range from 5 to 9 millimeters in length, and 10 to 13 millimeters in width. Females die after producing an egg mass, and males die six days after a complete cycle of sperm induction to the female. FIGURE 2. These spiders capture flying, and sometimes crawling, insects found around a home. The spiny projections as mentioned below are red or orange, while that of the males are of a darker shade. Color: They are bright in color, having a yellow, white or orange abdomen with markings of red.

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