Arthrorhabdus

Arthrorhabdus, from the Greek ἄρθρον, a joint, and ῥάβδος, a staff, is a genus of Scolopendrid centipede in the subfamily Scolopendrinae.[1][2][3][4] Species are found in Mexico and the Southern United States (A. pygmaeus), Australia (A. paucispinus & A. mjöbergi), and South Africa (A. formosus).[5][6] Since a reapprasial in the genus in 2010, the genus only has four species.[3][6] It may be polyphyletic.[2][6]

Arthrorhabdus
Arthrorhabdus pygmaeus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Myriapoda
Class: Chilopoda
Order: Scolopendromorpha
Family: Scolopendridae
Subfamily: Scolopendrinae
Genus: Arthrorhabdus
Pocock, 1891
Type species
Arthrorhabdus formosus
Pocock, 1891
Synonyms

Arthrorhabdinus Verhoeff, 1907

Taxonomic history

1891: Genus described by Reginald Innes Pocock, with one species (A. formosus). Notes on the Syonymy of some Species of Scolopendridæ, with Descriptions of new Genera and Species of the Group

2004: A. spinifer moved to genus Rhoda by Rowland M. Shelley and Amazonas Chagas Junior. THE CENTIPEDE GENUS ARTHRORHABDUS POCOCK, 1891, IN THE WESTERN HEMISPHERE: POTENTIAL OCCURRENCE OF A. PYGMAEUS (POCOCK, 1895) IN BELIZE

2010: Reappraisal by John G. E. Lewis removes A. jonesii and A. somalus from the genus, renaming the latter Scolopendra somala. A key and annotated list of the Scolopendra species of the Old World with a reappraisal of Arthrorhabdus

Identification and morphology

Arthrorhabdus species bear several morphological similarities to those of the genus Cormocephalus: their spiracles,[7] eyes, and mouthparts are the same.[1] It also resembles members of the genera Scolopendra and Asanada, but can be differentiated from other genera by a variety of characteristics, specifically the head not overlapping the first tergite,[6][1] additionally from Scolopendra by the shape of the mouthparts and spiracles,[6] and further from Cormocephalus by morphological features on the legs.[1]

Arthrorhabdus species have between 18 and 26 antennomeres (antennae segments).[6]

Species
Arthorhabdus formosus

References
  1. The Annals and magazine of natural history; zoology, botany, and geology. Vol. 7. London: Taylor and Francis, Ltd. 1891.
  2. Shelley, R.M. & Chagas-Jr, Amazonas. (2004). The centipede genus Arthrorhabdus Pocock, 1891, in the Western hemisphere: Potential occurrence of A-pygmaeus (Pocock, 1895) in Belize (Scolopendromorpha : Scolopendridae : Scolopendrinae). Western North American Naturalist. 64. 532-537.
  3. ".:CHILOBASE:". chilobase.biologia.unipd.it. Retrieved 2022-10-11.
  4. "ADW: Arthrorhabdus: CLASSIFICATION". animaldiversity.org. Retrieved 2022-10-11.
  5. South African Museum.; Museum, South African (1928). Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Vol. 26. Cape Town: South African Museum.
  6. Lewis, John G.E. (2010-05-01). "A key and annotated list of the Scolopendra species of the Old World with a reappraisal of Arthrorhabdus (Chilopoda: Scolopendromorpha: Scolopendridae)". International Journal of Myriapodology. 3 (1): 83–122. doi:10.1163/187525410x12578602960380. ISSN 1875-2535. S2CID 84805541.
  7. Bonato, Lucio; Edgecombe, Gregory D.; Lewis, John G.E.; Minelli, Alessandro; Pereira, Luis A.; Shelley, Rowland M.; Zapparoli, Marzio (2010-11-18). "A common terminology for the external anatomy of centipedes (Chilopoda)". ZooKeys (69): 17–51. doi:10.3897/zookeys.69.737. ISSN 1313-2989. PMC 3088443. PMID 21594038.
  8. Koch, L.E. (1984-06-01). "Australian species of the centipede genus Arthrorhabdus Pocock (Chilopoda: Scolopendridae: Scolopendrinae)". Journal of Natural History. 18 (3): 363–368. doi:10.1080/00222938400770301. ISSN 0022-2933.
  9. United States National Museum; Museum, United States National; Institution, Smithsonian; States, United (1961). Proceedings of the United States National Museum. Vol. 111. Washington: Smithsonian Institution Press, [etc.]
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