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Argiope submaronica

Argiope submaronica
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Argiope submaronica
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Summary

Argiope submaronica is a species of spider in the family Araneidae (orb-weavers), found from Mexico to Bolivia, and in Brazil. The name was at one time considered a synonym of Argiope argentata, but A. submaronica is now treated as a separate species. It has also been known under the synonym Argiope savignyi. It was observed to capture and feed on the proboscis bat Rhynchonycteris naso in Costa Rica, totally encasing the bat in silk during the course of a day. Through an observational study done at the La Selva Biological Station, they saw that the bats are usually caught on the spider’s web and then fully wrapped by the spider’s silk. Afterward, the spider was observed to be near or on the bat as the day went by and manipulation of its parts of the mouth on the bat signified active feeding. This was the first recorded phenomenon of an emballonurid bat being preyed on by an invertebrate, and the first documented proof of Argiope being able to catch and consume a mammal. A. savignyi sometimes spins a silk disc, sometimes a cruciate pattern, and sometimes combines both types. These structures are thought to provide five purposes: protection from predators, advertising to vertebrates to avoid web damage, prey attraction, web stability, and a source of shade. Different designs had different purposes or functions.

Argiope submaronica

Argiope submaronica
Local Pest Control

Tags

harmless

Scientific classification

kingdom: Animalia
phylum: Arthropoda
class: Arachnida
order: Araneae
family: Araneidae
genus: Argiope

People often ask

Do orb weavers sleep?

Further reading

- Levi, Herbert W. (1968): The spider genera Gea and Argiope in America (Araneae: Araneidae). Bull. Mus. comp. Zool. Harv. 136: 319-352. - Robinson, Michael H. & Robinson, Barbara (1977): Associations Between Flies and Spiders: Bibiocommensalism and Dipsoparasitism? Psyche 84: 150-157. PDF - Nentwig, Wolfgang (1985): Prey analysis of four species of tropical orb-weaving spiders (Araneae: Araneidae) and a comparison with araneids of the temperate zone. Oecologia 66(4): 580-594. - Rovner, Jerome S. (1989): Submersion survival in aerial web-weaving spiders from a tropical wet forest. Journal of Arachnology 17: 242-245. PDF