Dipoena pusilla (Keyserling, 1886)

Rodrigues, Everton Nei Lopes, 2013, Six new species, complementary descriptions and new records from the Neotropical Region of the spider genus Dipoena (Araneae: Theridiidae), Zootaxa 3750 (1), pp. 1-25 : 11-13

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).

Figures

FIGURES 28 – 33. Dipoena pusilla (Keyserling, 1886): (28 – 30) Male: (28) palp, ventral, (29) body, dorsal, (30) body, lateral. Dipoena peruensis Levi, 1963: (31 – 33) Male: (31) palp, ventral, (32) body, dorsal, (33) body, lateral (C, conductor; E, embolus; MA, median apophysis; TTA, theridioid tegular apophysis). Scale bars: 0.25 mm.