Chrysometa itaimba Levi 1986
Creators: name: Massanti, Thiago B.
name: Cavichioli, Rodney R.
name: Ott, Ricardo
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Tetragnathidae
Chrysometa
Chrysometa itaimba

description: Chrysometa itaimba Levi, 1986
(Figs 28-38)
Chrysometa itaimba LEVI, 1986:178, figs. 519-522. Female holotype from Itaimbezinho, Cambará do Sul, Rio Grande do Sul, Brazil, 5.I.1985, A. Lise leg, deposited in MCN 12796 (examined). Paratype: female, Campos do Jordão, São Paulo, Brazil, 3.I.1948, F. Lane leg. (MZSP, not examined).
Chrysometa cambara LEVI, 1986:192, figs. 622, 623. Only male paratype of C. cambara, Porto Alegre *, 15.VIII.1976, P.A. Buckup (MCN 4546, misidentification; examined).
Other material examined. BRAZIL, Paraná: Rio Branco do Sul *, ♂, 16.IV.1987, A. D. Brescovit leg. (MCN 17143); Campina Grande do Sul*, ♀, 22.X.2012 (MCN 52226);Tijucas do Sul*, 2♂, 7. V.2012 (MCN 52203, MCN 52230); ♂, 3♀ 8. V.2012 (MCN 52201); ♂, 8. V.2012 (MCN 52214); 3♀, 7. V.2012 (MCN 52199, MCN 52219, MCN 52222); 2♂, 7. V.2012 (MCN 52224); Tijucas do Sul (Serra do Cabral *), ♂, 2.IV.2012 (MCN 52225); ♂, 2♀, 2.IV.2012 (MCN 52227); 2♀, 30.I.2012 (MCN 52215, 52212); ♀, 2.IV.2012 (MCN 52200); ♀, 2.IV.2012 (MCN 52211); ♀, 2.IV.2012 (MCN 52204); Tijucas do Sul (Tabatinga*), ♂, ♀, 11. V.2012 (MCN 52221); ♀, 11. V.2012 (MCN 52229); São João do Triunfo *, 2♀, 31.III.2012 (MCN 52202, MCN 52228); Fazenda Rio Grande *, ♀, 28.XI.2010 (MCN 52220); ♂, 19.XII.2010 (MCN 52217); ♂, 30.I.2011 (MCN 52216); ♂, ♀, 24.IV.2011 (MCN 52198); ♂, 24.IV.2011 (MCN 52208); ♂, ♀, 1. V.2011 (MCN 52206); ♀, 1. V.2011 (MCN 52210); ♂, ♀, 1. V.2011 (MCN 52223); ♂, 4. VI.2011 (MCN 52218); ♀, 6.VIII.2011 (MCN 52207); ♂, 13.VIII.2011 (MCN 52213); ♀, 27.VIII.2011 (MCN 52209); ♂, 4.I.2012 (MCN 52205); all J. Ricetti leg. Santa Catarina: Porto Belo*, ♀, 14.II.1990, A. D. Brescovit leg. (MCN 19494). Rio Grande do Sul: Cambará do Sul, ♀, 26.XI.1993, A. B. Bonaldo leg. (MCN 24565); ♀, 19-21.XII.1994, A. F. Franceschini leg. (MCN 25949); 2♂, L.A. Moura leg. (MCN 25411); São Francisco de Paula, ♂, 11-12.X.2008, R. B. Moura leg. (MCN 45751); Torres, ♀, 10-14.I.2005, R. Ott et al. leg. (MCN 38650); Farroupilha, ♀, 29.IX.1978, H. Bischoff leg. (MCN 8282); Viamão, ♀, 25.VII.1985, A.A. Lise leg.(MCN 13375); ♂, 31. V.2000, A. B. Bonaldo leg. (MCN 32896); ♂, 30. V.2000, A. B. Bonaldo leg. (MCN 33164); Tavares, ♀, 22.I.1992, N. Silveira leg. (MCN 21996). Triunfo, ♂, 12.I.1989, M. A. L. MarQues leg. (MCN 18053); ♀, 17.IX.1993, A. B. Bonaldo leg. (MCN 23990); ♀, 08.I.1997, M. A. L. MarQues leg. (MCN 28221); ♂, 24.XI.1999, M.A. L. MarQues leg. (MCN 31636); ♀, 05.VII.2000, E. H. Buckup leg. (MCN 32510); 2♀, 05.II.2003, R. Ott leg. (MCN 35192); ♀, 29, 30.IV.2003, R. Ott leg.(MCN 35733); ♂, 21.X.2003, R. Ott & L. Podgaiski leg. (MCN 36445); ♀, 28. V.2007, A. Barcellos leg. (MCN 43402); ♀, 09.VII.2008, A. Barcellos et al. leg. (MCN 44167); ♀, 11. VI.2010, M. R. M. Poeta leg.(MCN 47267); ♂, 01.IX.2008, M.A. L. MarQues leg. (MCN 44342); ♂, 16.IX.2010, E. N. L. Rodrigues leg. (MCN 47372); ♀, 16.IX.2010, P. E. S. Rodrigues leg. (MCN 47407); ♂, 13.IX.2011, P. E. S. Rodrigues leg. (MCN 48095).
Diagnosis. Females are close to C. nigrovittata (Keyserling, 1893) by the general shape of epigyne (Figs 36-37); they can be distinguished by the shape of the septum, with rounded anterior borders (see LEVI, 1986:181, figs. 519-526). Males are close to C. ramon Levi, 1986 and C. columbicola Levi, 1986 by the general shape of bulb and paracymbium (see LEVI, 1986:193, figs 622-627); they can be distinguished from these species by the shape of the conical retrolateral portion of the paracymbium and also by the shape of the cymbial processes with a long and ventrally concave distal process and a conical proximal one (Figs 31, 32).
Description. See LEVI, 1986:178, 181, figs. 519-522 for female and LEVI, 1986:192, 193, figs 622, 623 for the male (paratype of C. cambara).
Remarks. LEVI (1986) stated the possibility that male and female originally described for C. cambara does not belong together. The male designed by Levi as paratype was herein identified to belonging to Chrysometa itaimba Levi, 1986, the identification of males of this species is supported by the similarity in male and female sizes and on the coloration pattern between male and female specimens (Figs 28-30, 33-35) and also by the fact that in many samples males and females were collected together.
Variation. Total lenght: males, 3.59-5.20; females, 3.80-5.96. Note: LEVI, 1986:192 states 3.80 total length for the male paratype originally described for C. cambara. This size matches the variation above registered for C. itaimba. All measured males and females of C. cambara presents a larger size range (respectively 5.46-6.55 and 6.24-7.45).
Distribution. South and Southeast of Brazil.
description: Published as part of Massanti, Thiago B., Cavichioli, Rodney R. & Ott, Ricardo, 2018, On the genus Chrysometa (Araneae, Tetragnathidae) in south Brazil, pp. 1-11 in Iheringia, Série Zoologia (e 2018001) (e 2018001) 108 on pages 5-6, DOI: 10.1590/1678-4766e2018001, http://zenodo.org/record/10525543