Bertrana

Bertrana is a genus of Central and South American orb-weaver spiders first described by Eugen von Keyserling in 1884.[3] It includes some of the smallest known araneid orb-weavers.[4][5] Bertrana striolata females are 4.5 mm long or less.[4][5] The eight eyes are in two rows. The abdomen is white on top and on the sides, with multiple hieroglyphic-like lines and bars of many different shapes and length. In females, these are red, in males, black.[6]

Bertrana
Bertrana striolata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Araneidae
Genus: Bertrana
Keyserling, 1884[1]
Type species
B. striolata
Keyserling, 1884
Species

12, see text

Synonyms[1]
  • Diotherisoma[2]

Species

As of April 2019 it contains twelve species:[1]

  • Bertrana abbreviata (Keyserling, 1879) – Colombia
  • Bertrana arena Levi, 1989 – Costa Rica
  • Bertrana benuta Levi, 1994 – Colombia
  • Bertrana elinguis (Keyserling, 1883) – Ecuador, Peru, Brazil, French Guiana
  • Bertrana laselva Levi, 1989 – Costa Rica
  • Bertrana nancho Levi, 1989 – Peru
  • Bertrana planada Levi, 1989 – Colombia, Ecuador
  • Bertrana poa Levi, 1994 – Ecuador
  • Bertrana rufostriata Simon, 1893 – Venezuela, Brazil
  • Bertrana striolata Keyserling, 1884 – Costa Rica to Argentina
  • Bertrana urahua Levi, 1994 – Ecuador
  • Bertrana vella Levi, 1989 – Panama, Colombia

References
  1. "Gen. Bertrana Keyserling, 1884". World Spider Catalog. Natural History Museum Bern. Retrieved 2019-05-12.
  2. Coddington, J. A. (1986). "The genera of the spider family Theridiosomatidae". Smithsonian Contributions to Zoology. 422: 6.
  3. Keyserling, E. (1884). "Neue Spinnen aus America. V." Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 33: 649–684. doi:10.5962/bhl.part.25328.
  4. Levi, H.W. (1989). "The Neotropical orb-weaver genera Epeiroides, Bertrana, and Amazonepeira (Araneae: Araneidae)". Psyche: A Journal of Entomology. 96 (1–2): 75–99. doi:10.1155/1989/65890.
  5. Cisneros-Heredia, D.F.; Carrazco, I. (2016). "First record of Bertrana striolata (Arachnida: Araneae: Araneidae) in Amazonian Ecuador". PeerJ Preprints. doi:10.7287/peerj.preprints.2242v1.
  6. Chickering, A. M. (1963). "The Female of Bertrana hieroglyphica Petrunkevitch (Araneac, Argiopidae)". Psyche: A Journal of Entomology. 70: 129–132. doi:10.1155/1963/30864.
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