Arulenus

Arulenus is a genus of pygmy grasshopper. As of 2016, it consists of two species:

Arulenus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Suborder: Caelifera
Family: Tetrigidae
Subfamily: Discotettiginae
Genus: Arulenus
Stål, 1877
Type species
Arulenus validispinus
Stål, 1877

Both species are endemic to Mindanao in the Philippines.

Description

Characteristic features of this genus include: the lack of tegmina and of alae, a smooth pronotum with large, slightly wrinkled spines on its discus, and outwardly turned lateral paranotal lobes.[1]:385

Taxonomic history

Carl Stål circumscribed Arulenus in 1877 for the species A. validispinus and A. punctatus, which Stål described in the same paper.[2] In 1887, Ignacio Bolívar transferred A. punctatus to its own, new genus Hirrius, giving it the name Hirrius punctatus.[3] Arulenus would be considered a monospecific genus until 2016 with Josip Skejo and Joy Honezza S. Caballero's description of Arulenus miae.[1]

gollark: Indeed.
gollark: But people may not run their own server.
gollark: Arguably you don't need it that much if you can run your own server and there are TLS links between things anyway.
gollark: I mean, *bad* E2E would be easy as I'd want clients to have a set of keys for signing messages and such anyway, but no.
gollark: Possibly E2E but this would complicate much of the design if it was available I think.

References
  1. Skejo, Josip; Caballero, Joy Honezza S. (2016). "A hidden pygmy devil from the Philippines: Arulenus miae sp. nov.—a new species serendipitously discovered in an amateur Facebook post (Tetrigidae: Discotettiginae)" (PDF). Zootaxa. 4067 (3): 383–393. doi:10.11646/zootaxa.4067.3.7. PMID 27395882.
  2. Stål, C. (1877). "Orthoptera nova ex Insulis Philippinis". Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar. 34 (10): 55–56.
  3. Bolívar, Ign. (1887). "Essai sur les Acridiens de la tribu des Tettigidae". Annales de la Société entomologique de Belgique. 31: 308–309.
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