Cyclosa insulana

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Phylum:Arthropoda
Subphylum:Chelicerata
Class:Arachnida
Order:Araneae
Common Garbage-Line Web Spider
female from Zimbabwe
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Araneidae
Genus: Cyclosa
Species:
C. insulana
Binomial name
Cyclosa insulana
(Costa, 1834)
Synonyms
  • Epeira insulana Costa, 1834
  • Epeira anseripes Walckenaer, 1841
  • Epeira trituberculata Lucas, 1846
  • Epeira moesta Blackwall, 1865
  • Cyrtophora argentea Ausserer, 1871
  • Cyrtophora melanura Simon, 1877
  • Cyclosa propinqua Simon, 1882
  • Cyrtophora interalbicans Bösenberg & Lenz, 1895

Cyclosa insulana is a species of orb-weaver spider in the family Araneidae. Its distribution ranges from the Mediterranean region eastward to Japan, India to Papua New Guinea, Australia, and parts of Africa including St. Helena, South Africa, and Eswatini.[1]

C. insulana is widely distributed across the warm and tropical regions of the Old World, with records spanning from the Mediterranean to the Philippines and Australia.[2] In the Seychelles, it has been recorded from Mahé and Silhouette Island, though some specimens from this region may represent other closely related species.[2]

Habitat and ecology

The species inhabits multiple biomes at altitudes ranging from 4 to 1593 m above sea level. They make a complete vertical, closely woven orb web in vegetation, about one metre above the ground. The distinguishing character of the web is the vertical stabilimentum in line with the hub. The spider strings together dead bodies of prey and other debris on this stabilimentum. The spider hides in this debris as a defence against predators. This common species is frequently found in sweep net and beating samples, and has been sampled from all the floral biomes. The species has been recorded from crops such as avocado, citrus orchards and tomato fields.[3]

Description

Females of C. insulana can be distinguished by having a broad scapus (the basal part of the spinneret) in the anterior region.[2] Males are identified by the distinctive shape of their pedipalps.[2]

Etymology

The specific epithet "insulana" is derived from the Latin "insula" meaning "island," referring to the insular habitat where the species was first discovered on the Italian islands of Ischia and Procida.[4]

Taxonomy

Conservation

References

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