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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.
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 ...
Micrathena, known as spiny orbweavers, is a genus of orb-weaver spiders first described by Carl Jakob Sundevall in 1833. [5] [6] Micrathena contains more than a hundred species, most of them Neotropical woodland-dwelling species. The name is derived from the Greek "micro", meaning "small", and the goddess Athena. [7]
Orb-weaving spiders take about two hours to create a new web. They start by drifting a silk line across a gap using the breeze. They start by drifting a silk line across a gap using the breeze.
The female of the species is characterized by having a highly sclerotized "spiny" abdomen, which is a common feature of the genus. Females also have varying numbers of sigillae in both dorsal and ventral abdominal surfaces. Males are somewhat smaller than females and with lesser coloration and abdominal spines. [3]
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]
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. Araneids have eight similar eyes, hairy or spiny legs, and no stridulating organs.
Gasteracantha versicolor, known as the long-winged kite spider, [citation needed] is a species of diurnal spiny orb-weaver of the family Araneidae. It is found in the tropics and sub-tropics, where it occurs in forests. It has an extensive range, from central, east and southern Africa to Madagascar.