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Ecology

Associations

Known prey organisms

Theridion (Theridion sp.) preys on:
Chloropidae
Uranotaenia belkini
Uranotaenia bosseri
Uranotaenia brunhesi
Uranotaenia damasei
Insecta

Based on studies in:
Madagascar (Plant substrate)

This list may not be complete but is based on published studies.
  • R. A. Beaver, 1985. Geographical variation in food web structure in Nepenthes pitcher plants. Ecol. Entomol. 10:241-248, from p. 242.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 708
Specimens with Sequences: 647
Specimens with Barcodes: 609
Species: 69
Species With Barcodes: 61
Public Records: 139
Public Species: 22
Public BINs: 14
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Barcode data

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Wikipedia

Theridion

The spider genus Theridion, after which the family Theridiidae is named, consists of almost 600 described species that occur all around the world. Notable species are the Hawaiian happy face spider – T. grallator – and T. nigroannulatum, which is one of the very few species of spiders which live in social groups and not merely aggregate by coincidence. They live in large colonies, lying in wait for passing prey purportedly concealed under the edge of a leaf or stick with threads trailing down beneath them. If an insect intrudes, interjecting itself into the web, the spiders respond en masse, overwhelming it as a team. They even take turns helping pull large victims back to their lair. Theridion braueri Simon, 1898 probably belongs into a different genus; however, Robertia the new name proposed by Saaristo (2006) is preoccupied by the mammal-like reptile Robertia.

Species[edit]

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