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

publication ID

http://dx.doi.org/10.11646/zootaxa.3750.1.1

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lsid:zoobank.org:pub:D24E1DA8-ADDA-4155-BE03-7A4ECBDD1654

persistent identifier

http://treatment.plazi.org/id/03FC87C6-9F41-3D74-72F6-75C2A5D9FB88

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scientific name

Dipoena pusilla (Keyserling, 1886)
status

 

Dipoena pusilla (Keyserling, 1886) 

( Figures 28–30View FIGURES 28 – 33)

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. 28View FIGURES 28 – 33), but differs in the median apophysis longer, conductor large, theridioid tegular apophysis longer ( Fig. 28View FIGURES 28 – 33) and in the pattern and shape of the carapace in lateral view ( Fig. 30View FIGURES 28 – 33).

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. 30View FIGURES 28 – 33), with grooves ( Fig. 29View FIGURES 28 – 33), 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. 29View FIGURES 28 – 33), 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 (19 º09’ 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 (22 º 34 ’S- 44 º 21 '”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 (25 º 36 'S; 54 º 25 '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 (27 º00’- 27 º 20 ’S; 53 º 40 ’- 54 º 10 ’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).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Theridiidae

Genus

Dipoena