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Caelopygus elegans

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Caelopygus elegans
Caelopygus elegans Perty-1833
Caelopygus elegans Perty, 1833 (from Pinto-da-Rocha, 2002)

Suborder

Laniatores

Superfamily

Gonyleptoidea

Family

Gonyleptidae

Subfamily

Caelopyginae

Genus

Caelopygus

Caelopygus elegans (Perty, 1833):202 is the type species (by subsequent designation[1]) of the genus Caelopygus (Laniatores:Gonyleptidae).

TaxonomyEdit

SpecimensEdit

  • The holotype of C.e. is lost[10]

DescriptionEdit

(from [10])

  • Measurements Dorsal scute: length 5.90; maximal width 7.12. Cephalothorax: length 2.40; width 2.95.
  • Dorsum Anterior margin with 2 median tubercles, 5 lateral. Eye mound with 1 pair of anterior tubercles, 1 wide median pair, 2 posterior pairs. Cephalothorax very tuberculate laterally and behind eye mound. Lateral margin with 1 row of tubercles from ozopores to posterior margin, several tubercles irregularly distributed in all extension. Areas I-III strongly tuberculate; III with 1 pair of median wide tubercles. Posterior margin and free tergites with a row of tubercles. Anal operculum minute-tuberculate.
  • Venter Coxa I with 4-6 anterior tubercles, median irregular row of 9-11, 4 posterior, 3 apical; II with 4-6 anterior tubercles, 11 median, 13-15 posterior, 4 apical; III-IV irregularly tuberculate. Posterior margin and free sternites with 1 row of tubercles. Anal operculum minute-tuberculate.
  • Chelicera Segment I smooth; II with 5 tubercles; III with 3.
  • Pedipalpus Coxa smooth. Trochanter with 2 ventral tubercles. Femur straight with 7 ventral tubercles. Patella smooth. Tibia ectal IIi, mesal IiII.
  • Legs
    • Coxa I with 1 anterior tubercle, 1 posterior; II with 1 anterior trifid, 1 posterior bifid towards III; III with 1 anterior trifid, 1 posterior bifid towards IV; IV with 1 anterior towards III, external apical apophysis oblique, with helicoidal apex, large internal apical tubercle.
    • Trochanter I with 2 ventral tubercles,II with 5 ventral tubercles; III with 4 prolateral, 5 retrolateral, 6 ventral; IV with 4 prolateral (median wide and large), 9 retrolateral, 9 ventral.
    • Femora I-IV straight; II-IV with 1 retrolateral row of tubercles (larger on IV); IV with 2 ventral rows on distal 1/3.
    • Patella IV tuberculate.
    • Tibia IV with 1 ventral, 1 retrolateral rows of tubercles.
    • Tarsal segmentation: 8-9, 17, 16, 19.
    • Claws IV with 7 ectal, 6 mesal teeth.
  • Penis Stylus thin and long, setose. Ventral process of glans depressed and enlarged. Ventral plate with short and wide cleft U-shaped; with 3 pairs of distal setae; 4 pairs of setae on basal lobe (basal smaller); 2 small behind distal setae and 1 on intermediary region.
  • Colour Yellowish-green to brownish. Grooves II-III with 1 white spot each side reaching the surrounding areas. Tubercles of dorsal scute, of leg IV and apical apophysis of coxa IV black. Dorsal scute with small black spots. Dorsal anal operculum brownish with 2 white spots in almost all area; ventral with 2 lateral white spots. Chelicera and pedipalpus yellowish-green.
  • Female
    • Measurements. Dorsal scute: 5.69; maximal width 6.56. Cephalothorax: 2.25; width 3.00.
    • Area III with 2 blunt spines, 2 pairs of white spots, 1 over the groove II, 1 posterior.
    • External apical apophysis of coxa IV smaller than male and straight.
    • Femur IV tubercles smaller than male, without ventral tubercles.
    • Patella IV without ventral and retrolateral tubercles.
    • Femur of pedipalpus with 4 ventral tubercles.
    • Segment III of chelicera with 4 teeth.
    • Tarsal segmentation: 8, 16-17, 16, 20-21.

NotesEdit

  • Location: Rio de Janeiro[10]

Additional images - GalleryEdit

ReferencesEdit

  1. Roewer, C.F. (1913d) Die Familie der Gonyleptiden de Opiliones - Laniatores. [part 2]. Archiv für Naturgeschichte, Berlin, Abt. A, Original-Arbeiten, 79(5), 257–472
  2. Perty, J.A.M. (1833) Delectus animalium articulatorum, quae in itinere per Brasiliam annis MDCCCXVII-MDCCCXX [1817–1820] jussu et auspiciis Maximiliani Josephi I Bavariae Regis augustissimi peracto, collegerunt Dr. J. B. de Spix et Dr. C. F. Ph. de Martius. Vol. 3. [Opiliones, pp 201-209]. [“1830-1834”]. Friedrich Fleischer, Monachii [= München], 224 pp., pl. 25–40.
  3. Koch, C.L. (1839c) Übersicht des Arachnidensystems. Zweites Heft. C.H. Zeh, Nürnberg, 38 pp.
  4. Bertkau, Ph., 1880. Verzeichniss der von Prof. Ed. van Beneden auf seiner im Auftrage der Belgischen regierung unternommenen wissenschaftlichen Reise nach Brasilien und La Plata i. J. 1872-1875 gesammelten Arachniden. Mémoires couronnees et mémoires des savants étrangers, publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique, Bruxelles, 43: 1-120.
  5. Mello-Leitão, C.F. de (1922) Some new Brazilian Gonyleptidae. Annals and Magazine of Natural History, (9) 9, 329–348.
  6. 6.0 6.1 Mello-Leitão, C.F. de (1923c) Opiliones Laniatores do Brasil. Archivos do Museu Nacional, Rio de Janeiro, 24, 107–197.
  7. Mello-Leitão, C.F. de (1935c) A propósito de alguns opiliões novos. Memórias do Instituto Butantan, São Paulo, 9, 369–411.
  8. Soares, B.A.M. & Soares, H.E.M. (1948b) Monografia dos gêneros de opiliões neotrópicos I. Arquivos de zoologia do Estado de São Paulo, São Paulo,5(9), 553–636.
  9. Mello-Leitão, C.F. de (1932b) Opiliões do Brasil. Revista do Museu Paulista, São Paulo, 17(2), 1–505.
  10. 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 Pinto-da-Rocha, R. (2002) Systematic review and cladistic analysis of the Caelopyginae (Opiliones, Gonyleptidae). Arquivos de Zoologia, São Paulo, 36(4), 357–464.

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