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Orb-weaver spiders are members of the spider family Araneidae. They are the most common group of builders of spiral wheel-shaped webs often found in gardens, fields, and forests. The English word "orb" can mean "circular", [ 1 ] hence the English name of the group.
Neoscona crucifera is an orb-weaver spider in the family Araneidae.It is found in the United States from Maine to Florida in the east, to Minnesota in the Midwest, to Arizona in the southwest, southern California coastal communities and in Mexico.
Gasteracantha cancriformis [2] (spinybacked orbweaver) is a species of orb-weaver spider (family Araneidae). It is widely distributed in the New World. [1]The genus name Gasteracantha derives from the Greek words γαστήρ (gaster, "belly") and ἄκανθα (acantha, "thorn"), while the specific epithet cancriformis derives from the Latin words cancer ("crab") and forma ("shape, form ...
Gasteracantha is a genus of orb-weaver spiders first named by Carl Jakob Sundevall in 1833. [2] Species of the genus are known as spiny-backed orb-weavers, spiny orb-weavers, or spiny spiders. The females of most species are brightly colored with six prominent spines on their broad, hardened, shell-like abdomens.
Rather than sexual dimorphism, both male and female have black and white transverse bands on the abdomen. The abdomen has three pairs of long stout lateral spines. [2] The female of the species is characterized by having a highly sclerotized "spiny" abdomen, which is a common feature of the genus.
Verrucosa arenata, also known as the triangle orb weaver, arrowhead spider, and arrowhead orbweaver, is a species of orb-weaver spider found across North America. [2] It is one of the few known large orb-weaver spiders that sits facing upwards in its web. [ 3 ]
The upper surface of the female abdomen ranges from yellow [4] to red [5] or even white or black [6] and is marked with black sigilla. The ventral surface of the abdomen bears yellow or orange marks, and the median spines can show a bluish iridescence. The male of the species measures only 1.5 mm, with stout, conical spines. [7]
Micrathena gracilis is a spider in the family Araneidae (orb-weavers), [1] commonly known as the spined micrathena [2] or castleback orbweaver. [3] This spider spins a moderately large (can be about 20 cm long in diameter) and very tightly coiled web. The spiders themselves are small and can be found to be anywhere from 4.2 mm to 10.8 mm long. [4]