Dipoena pusilla Keyserling 1886
Creators: name: Rodrigues, Everton Nei Lopes
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Theridiidae
Dipoena
Dipoena pusilla

description: Dipoena pusilla (Keyserling, 1886)
(Figures 28–30)
Euryopis pusilla Keyserling, 1886: 263, pl. 21, fig. 311 (Female holotype from Blumenau, Santa Catarina, Brazil, deposited in the Natural History Museum, London, not examined).
Dipoena pusilla, Levi, 1963: 165, figs. 160–162 (Transferred from Euryopis); Platnick, 2013.
Diagnosis. The male of Dipoena pussila resembles that of D. atlantica Chickering, 1943 (see Levi, 1963: 163, fig. 154) in the theridioid tegular apophysis pointed (Fig. 28), but differs in the median apophysis longer, conductor large, theridioid tegular apophysis longer (Fig. 28) and in the pattern and shape of the carapace in lateral view (Fig. 30).
Description. Male (MCN 42852): Total length 1.47. Carapace length 0.69, width 0.60. Clypeus height 0.42. Sternum length 0.33, width 0.33. Abdomen length 0.73, width 0.79, height 0.71. Leg formula IV/I/II/III; segment length (I/II/III/IV): femora 0.54/0.48/0.42/0.52; patellae + tibiae 0.52/0.50/0.42/0.54; metatarsi + tarsi 0.52/0.52/ 0.52/0.56; total 1.58/1.50/1.36/1.62. Eye diameter and interdistance: AME 0.08, ALE 0.06, PME 0.07 and PLE 0.07; AME–AME 0.02, AME–ALE 0.02, PME–PME 0.03, PME–PLE 0.08. Eyes margined with black. Carapace high (Fig. 30), with grooves (Fig. 29), dark brown, with marginal setae. Sternum, endites and labium dark brown. Chelicerae brown. Legs dark brown, except coxae III and IV, and tarsi yellow. Abdomen circular (Fig. 29), dorsum dark brown with little white spots, venter dark brown. Spinnerets dark brown, with a white spot above the spinnerets.
Female. Described by Levi (1963: 165; figs. 160-162).
Variation. Males (n=5). Total length 1.38–1.53; carapace length 0.65–0.73; femur I 0.54-0.56. The color pattern is quite variable from dark brown to brown in carapace.
Remarks. Males and females were collected together in various localities in Brazil.
Material examined. BRAZIL. Minas Gerais: Uberlândia, Reserva Ecológica do Panga (19º09’20”- 19°11’10”S; 48°23’20”- 48°24’35”W), 19.V.1988, A. D. Brescovit col., one female (MCN 17676). Rio de Janeiro: Volta Redonda, Floresta da Cicuta (22º34’S- 44º21'”W), 11-18.VI.2001, Equipe Biota col., one female (MCN 42549); Petrópolis, Fazenda Ranchinho da Roça (22°30’17'”S; 43°10’56'”W), 08–15.II.2000, Equipe Biota col., one female (MCN 42573); one female (MCN 42574). São Paulo: Miracatu, Fazenda Itereí (24°03’S; 47°13’W), 20–26.IX.2001, Equipe Biota col., one male (MCN 40988); Santa Rita do Passa Quatro, Estação Experimental de Santa Rita do Passa Quatro (21°44’S; 47°29’W), 19–24.II.2002, Equipe Biota col., one female (MCN 41201); Ilhabela, Parque Estadual de Ilhabela (23°52’04”S; 45°20’29”W), Equipe Biota col., one male (MCN 41435); Iporanga, Parque Estadual Turístico do Alto Ribeira (24°32’S; 48°41’W), 08–15.X.2001, Equipe Biota col., one male (MCN 41652); one male (MCN 41653); one female (MCN 41654); one female (MCN 41655). Paraná: Foz do Iguaçu, Refúgio Biológico de Bela Vista (25º36'S; 54º25'W), 17.III.1991, A. B. Bonaldo col., one female (MCN 20903); Capitão Leonidas Marques, Salto Caxias, Rio Iguaçú (25°28’44”S; 53°36’50”W), 20–28.III.1993, A. B. Bonaldo col., two females (MCN 23245); Antonina, Reserva Natural do Rio Cachoeira (25°25’44”S; 48°42’43”N), 26.IX.2005, E. Alvarez col., one female (MCN 44656); R. Ott col., two males (MCN 44680); E. Alvarez col., one male (MCN 45611); H. Höfer col., one female (MCN 45930); 25.IX.2005, I. Czisauskas col., two females (MCN 44692); 28.IX.2005, E. Alvarez col., two females (MCN 45045); 21.IX.2005, R. Ott col., one male (MCN 45680); Guaraqueçaba, Reserva Natural Serra do Itaqui (25°17'19"S; 48°28'29"W), 16.IX.2007, G. Perroni col., one female (MCN 45183); I. Czisauskas col., one male (MCN 45288); 19.IX.2007, J. Ricetti col., one male (MCN 44736); 22.IX.2007, E. Alvarez col., one male (MCN 46472). Santa Catarina: Blumenau, Parque Natural Municipal Nascentes do Ribeirão Garcia (27°01’S; 49°09’W), 21-28.I.2003, Equipe Biota col., one female (MCN 40150); Paulo Lopes, Parque Estadual da Serra do Tabuleiro (27°57’43”S - 48°41’02”W), 10-20.I.2003, Equipe Biota col., two males, one female (MCN 42852); one male (MCN 42853); one female (MCN 42854). Rio Grande do Sul: Derrubadas, Parque Estadual do Turvo (27º00’- 27º20’S; 53º40’- 54º10’W), 27–31.X.2003, R. Ott et al. col., one female (MCN 37779); 04–- 07.V.2004, one male, one female (MCN 37919); 25–30.IV.2005, one female (MCN 39287); General Câmara (29°54’18”S; 51°45’36”W), 16.X.1982, A. A. Lise col., one female (MCN 21853); Cambará do Sul (29°02’52”S; 50°08’42”W), 11–13.IV.1994, M. A. L. Marques col., one female (MCN 25453); Maquiné, Reserva da FEPAGRO (29°40’30”S; 50°12’25”W), 18–27.I.2002, Equipe Biota col., one female (MCN 43216); Parobé, Mata Ciliar do Rio dos Sinos (29°41’06.94”S; 50°51’05.98”W), 06.VI.2009, E. N. L. Rodrigues & P. E. S. Rodrigues col., one female (MCN 47755); 25.IV.2009, one male (MCN 47772); 07.II.2009, one female (MCN 47822); 25.XII.2008, one male (MCN 47849).
Distribution. Brazil (Minas Gerais, Rio de Janeiro, São Paulo, Paraná, Santa Catarina e Rio Grande do Sul).
description: Published as part of Rodrigues, Everton Nei Lopes, 2013, Six new species, complementary descriptions and new records from the Neotropical Region of the spider genus Dipoena (Araneae: Theridiidae), pp. 1-25 in Zootaxa 3750 (1) on pages 11-13, DOI: 10.11646/zootaxa.3750.1.1, http://zenodo.org/record/285319