Admestina

Admestina is a genus of North American jumping spiders that was first described by George and Elizabeth Peckham in 1888.[2]

Admestina
Admestina sp. near Boston, Massachusetts
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Salticidae
Genus: Admestina
Peckham & Peckham, 1888[1]
Type species
A. tibialis
(C. L. Koch, 1846)
Species

Species

As of June 2020 the genus contains three species:[1]

The South American species Admesturius bitaeniatus was originally placed in Admestina, but was moved to Admesturius by María Elena Galiano in 1988.[1]

Description

Admestina are small and flat, typically measuring less than 4.5 mm in length. Their flattened cephalothorax may help them to hide within crevices on trees. The first legs are the stoutest, with the tibia thickened in both sexes. The three species are all similar in appearance and best distinguished by their geographic range and genitalia.[3]

Distribution

Admestina archboldi is found in the Southern United States, from Florida to Texas, generally between the 30th and 25th parallels. Admestina wheeleri is found in the Northern United States, from Massachusetts to North Dakota, and in Ontario, Canada. Its range roughly follows the 45th parallel. Admestina tibialis is found in the area in between, from Florida to Connecticut.[3]

Behavior

Little is known about the behavior of Admestina. They are typically found by beating tree branches. Females lay a small number of eggs (4 to 20) within a crevice in the bark of a tree.[3]

gollark: You can pick either high-level, high speed, ~~or Rust~~.
gollark: I mean, Haskell is compiled and is slow...
gollark: Also, compiled languages need not be fast (I made an esolang to demonstrate this).
gollark: It's JITed, usually.
gollark: Hence Spectre and Meltdown.

References
  1. "Gen. Admestina Peckham & Peckham, 1888". World Spider Catalog. Natural History Museum Bern. 2020. Retrieved 2020-06-30.
  2. Peckham, G. W.; Peckham, E. G. (1888). "Attidae of North America". Transactions of the Wisconsin Academy of Sciences, Arts and Letters. 7: 1–104.
  3. Piel, William H. (1992). "The Nearctic jumping spiders of the genus Admestina (Aranaeae: Salticidae)" (PDF). Psyche. 98 (4): 265–282. Archived from the original (PDF) on 15 March 2007.
  • Media related to Admestina at Wikimedia Commons
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