Biology:Homoeomma

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Short description: Genus of spiders

Homoeomma
Homoeomma montanum female DSC09195 Photo RP Indicatti.jpg
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Family: Theraphosidae
Genus: Homoeomma
Ausserer, 1871[1]
Type species
H. stradlingi
O. Pickard-Cambridge, 1881
Species

13, see text

Synonyms[1]
  • Butantania Mello-Leitão, 1935[2]
  • Calopelma Chamberlin, 1917[3]
  • Cyclothoracoides Strand, 1929[4]
  • Cyclothorax Mello-Leitão, 1923

Homoeomma is a genus of South American tarantulas that was first described by Anton Ausserer in 1871.[5] It is considered a senior synonym of Calopelma,[3] Butantania,[2] and of Cyclothoracoides.[4] These tarantulas are usually quite small and usually burrow a few centimeters under a rock or log.[6]

Diagnosis

Males of this genus can be distinguished by the tile-like apophysis on the base of the palpal bulb, and the embolus being in an obtuse angle, in relation to the bulb. Males also have a flexion of the metatarsus 1, which is between the branches of the tibial apophysis. Females can be distinguished by the spermatheca morphology, which lacks constriction in the apex.[6]

Species

(As of August 2022) it contains thirteen species, found in South America:[1]

  • Homoeomma brasilianum (Chamberlin, 1917)Brazil
  • Homoeomma chilense Montenegro & Aguilera, 2018Chile
  • Homoeomma elegans (Gerschman & Schiapelli, 1958)Argentina
  • Homoeomma familiare Bertkau, 1880 – Brazil
  • Homoeomma hirsutum (Mello-Leitão, 1935) – Brazil
  • Homoeomma montanum (Mello-Leitão, 1923) – Brazil
  • Homoeomma nigrum (Walckenaer, 1837) – Brazil
  • Homoeomma orellanai Montenegro & Aguilera, 2018 – Chile
  • Homoeomma peruvianum (Chamberlin, 1916) – Peru
  • Homoeomma strabo (Simon, 1892) – Colombia, Brazil
  • Homoeomma stradlingi O. Pickard-Cambridge, 1881 (type) – Brazil
  • Homoeomma uruguayense (Mello-Leitão, 1946) – Uruguay, Argentina
  • Homoeomma villosum (Keyserling, 1891) – Brazil

In synonymy

  • H. bicolor Sherwood, Gabriel & Longhorn, 2018 = Homoeomma chilense Montenegro & Aguilera, 2018
  • H. cyclothorax (Mello-Leitão, 1923) = Homoeomma montanum (Mello-Leitão, 1923)
  • H. moreirae (Mello-Leitão, 1923) = Homoeomma brasilianum (Chamberlin, 1917)
  • H. regina (Chamberlin, 1917) = Homoeomma strabo (Simon, 1892)
  • H. serratum (Gerschman & Schiapelli, 1958) = Homoeomma uruguayense (Mello-Leitão, 1946)

Transferred to other genera

  • Homoeomma alcirae Gerschman & Schiapelli, 1954Plesiopelma alcirae
  • Homoeomma humile Vellard, 1924Bumba humilis
  • Homoeomma pictum (Pocock, 1903)Anqasha picta'
  • Homoeomma simoni Soares & Camargo, 1948Catanduba simoni

See also

References

  1. 1.0 1.1 1.2 Gloor, Daniel; Nentwig, Wolfgang; Blick, Theo; Kropf, Christian (2022). Gen. Homoeomma Ausserer, 1871. Natural History Museum Bern. doi:10.24436/2. http://www.wsc.nmbe.ch/genus/3372. Retrieved 12 February 2022. 
  2. 2.0 2.1 Pérez-Miles, F. (1996). "Systematic revision and cladistic analysis of Theraphosinae (Araneae: Theraphosidae)". Mygalomorph 1: 52. 
  3. 3.0 3.1 Gerschman de P., B. S.; Schiapelli, R. D. (1972). "El género Homoeomma Ausserer 1871 (Araneae: Theraphosidae)". Physis, Revista de la Sociedad Argentina de Ciencias Naturales 31: 241. 
  4. 4.0 4.1 Lucas, S. M.; Indicatti, R. P. (2015). "Revalidation of Dolichothele Mello-Leitão and notes on Hapalotremus Simon (Araneae, Mygalomorphae, Theraphosidae)". Studies on Neotropical Fauna and Environment 50 (3): 210. doi:10.1080/01650521.2015.1103553. 
  5. Ausserer, A. (1871). "Beiträge zur Kenntniss der Arachniden-Familie der Territelariae Thorell (Mygalidae Autor)". Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 21: 117–224. 
  6. 6.0 6.1 Montenegro, Rubén; A. Aguilera, Milenko; Casanueva, María Eugenia (2018). "First record of Homoeomma Ausserer, 1871 in Chile and description of two new species". https://www.researchgate.net/publication/329483842. 

Wikidata ☰ Q2715716 entry