Exocora phoenix , Lemos, Yuji & Brescovit, Antonio D., 2013

Lemos, Yuji & Brescovit, Antonio D., 2013, New species of the spider genus Exocora Millidge, 1991 (Araneae: Linyphiidae) from Brazil, Zootaxa 3599 (3), pp. 261-278: 262-265

publication ID

http://dx.doi.org/10.11646/zootaxa.3599.3.4

publication LSID

lsid:zoobank.org:pub:8570920B-EAC4-48A6-A831-6463682B36D1

persistent identifier

http://treatment.plazi.org/id/03C72F26-1061-414E-FF4C-F95AFA95A6B9

treatment provided by

Plazi

scientific name

Exocora phoenix
status

new species

Exocora phoenix  new species

Figs. 1View FIGURE 1 A–E; 2 A–F; 3 A, B; 15 A; 16 A; 17

Types: Holotype 1 ɗ, from Reserva Florestal Morro Grande (23 ° 36 'S, 46 ° 55 'W), Cotia, São Paulo, Brazil, 20 /XII/ 2002, A. A. Nogueira et al. col. ( IBSPAbout IBSP 131228). Paratypes: 2 ɗ 1 Ψ, from Carrancas (21 º 29 ' 16 ''S; 44 º 38 ' 34 ''W), Minas Gerais, Brazil, X/ 2008, R. A. Zampaulo col. ( IBSPAbout IBSP 124128); 1 Ψ, from Fragmento Florestal Dito André (23 ° 36 ' 14 ''S; 46 ° 55 ' 8 ''W), Cotia, São Paulo, Brazil, 10 /XII/ 2002, A. A. Nogueira et al. col. ( IBSPAbout IBSP 131231); 1 ɗ, from Reserva Natural da Serra do Itaqui (25 ° 18 ' 25 ''S; 48 ° 19 ' 44 ''W), Guaraqueçaba, Paraná, Brazil, 18 /IX/ 2007, E.

F. Ramos col. ( MCN 45119View Materials); 2 Ψ, from Reserva Natural do Rio Cachoeira (25 ° 25 ' 44 ''S; 48 ° 42 ' 43 ''W), Antonina, Paraná, Brazil, 21 /IX/ 2005, H. Höfer col. ( MCN 45924View Materials).

Etymology: The species name is a noun in apposition and refers to the bird from Greek mythology that rose from its ashes, symbolizing hope. The name alludes to material examined, found after the fire on the collection of Instituto Butantan in May 15, 2010.

Diagnosis: Males of Exocora phoenix  n. sp. are distinguished from those of other species in the genus, except from E. proba  , by the shape of the lamella characteristica, more rectangular in the proximal part, sinuous and pointed distally, and the shape of the embolic membrane, curved towards the dorsal part, with the proximal part wider and distal part pointed ( Figs 1View FIGURE 1 A–C; 3 A, B). Males are distinguished from E. proba  by the distal part of the lamella characteristica, bifid in E. proba  ( Millidge 1991: figs 190, 191). The females are distinguished by the small median projection in the posterior margin of ventral plate of the epigynum; by having the dorsal plate wider in the posterior region, dividing the atrium medially ( Figs 1View FIGURE 1 D; 15 A), and by the shape of the copulatory ducts, much longer and sinuous than in the other species ( Figs 1View FIGURE 1 E; 16 A).

Description: Male (Holotype IBSPAbout IBSP 131228): Total length 2.34. Carapace 1.08 long, 0.9 wide. Orange, with two dorsolateral dark marking. Sternum 0.52 long, 0.62 wide, orange, with dark margins. Clypeus 0.18 high. Chelicerae promargin with two teeth, retromargin with four teeth. Abdomen pale brown, with dark marking and white spots along its surface ( Figs 2View FIGURE 2 A, B). Eyes diameters and interdistances: AME 0.07, ALE 0.11, PME 0.1, PLE 0.11, AME-AME 0.02, PME-PME 0.03, AME-ALE 0.01, PME-PLE 0.04. Eyes, projected anteriorly. Ocular area with bristles ( Fig. 2View FIGURE 2 B). Coxa IV separation 1.22 times their width. Femur I/II/III/IV 1.08 /1.0/ 0.72 / 0.9; patella I 0.36; tibia I 1.1; metatarsus I 1.12; tarsus I 0.62. Legs yellowish, with dark markings on each articles. Tibia I with a thick prolateral macroseta ( Fig. 2View FIGURE 2 C). TmI 0.21. Palpal tibia without apophysis. Protegulum present. Embolic division with small radix. Embolus long and filiform, with posterior origin on the embolic division, curves to ectal side and runs anteriorly, getting into the lamella characteristica, slightly twisted ( Figs 1View FIGURE 1 A–C; 3 A, B).

Female (Paratype IBSPAbout IBSP 131231): Total length 2.04. Carapace 0.84 long, 0.64 wide. Sternum 0.44 long, 0.5 wide. Clypeus 0.12 high. Chelicerae promargin with 3 teeth, retromargin with 5 teeth. Color pattern same as male ( Figs 2View FIGURE 2 D, E). Eyes diameter and interdistances: AME 0.07, ALE 0.1, PME 0.09, PLE 0.08, AME-AME 0.01, PME-PME 0.02, AME-ALE 0.02, PME-PLE 0.02. Eyes as in male, with fewer bristles in ocular area ( Fig. 2View FIGURE 2 E). Coxa IV separation 1.14 times their width. Femur I/II/III/IV 0.84 / 0.78 / 0.6 / 0.8; patella I 0.26; tibia I 0.76; metatarsus I 0.74; tarsus I 0.52. Legs as in male. Tibia I prolateral macroseta thinner ( Fig. 2View FIGURE 2 F). TmI 0.19. Epigynum prominent, with median projection on the posterior margin of ventral plate. Spermathecae rounded. Fertilization ducts originating in the dorsal part of the spermathecae and oriented mesally ( Figs 1View FIGURE 1 D, E; 15 A; 16 A).

Variation: Males (n= 10): Total length 1.84–2.12; carapace length 0.84–1.04; carapace width 0.66–0.86; femur I length 0.84–1.06. Females (n= 10): Total length 1.84–2.3; carapace length 0.78–0.94; carapace width 0.64–0.74; femur I length 0.74–0.92.

Distribution: States of Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná and Santa Catarina, in Brazil ( Fig. 17View FIGURE 17).

Material examined (N= 56): BRAZIL, Espírito Santo: Linhares, Floresta Nacional de Goytacazes (19 º 26 '07''S; 40 º 28 ' 36 ''W), 1 Ψ, 26 /X/ 2005, T. Souza et al. col. ( IBSPAbout IBSP 133404); Rio de Janeiro: Resende, Área de Mata das Indústrias Nucleares do Brasil (22 ° 28 ' 8 ''S; 44 ° 26 ' 49 ''W), 1 Ψ, VIII– IX/ 2007, E. F. Ramos col. ( IBSPAbout IBSP 120043); Volta Redonda, Floresta da Cicuta (22 ° 31 ' 54 ''S; 44 ° 6 ' 27 ''W), 1 Ψ, 11–18 /VI/ 2001, Equipe Biota col. ( IBSPAbout IBSP 143777); Pinheiral, Fazenda Santa Helena (22 ° 30 ' 46 ''S; 44 °00'03''W), 1 Ψ, 5–11 /XI/ 1999, A. D. Brescovit et al. col. ( IBSPAbout IBSP 143791). São Paulo: Cotia, Caucaia do Alto (23 ° 41 ' 19 ''S; 47 °01' 15 ''W), 1 ɗ 1 Ψ, 18–28 /VI/ 2002 ( IBSPAbout IBSP 143789, 143790) (Fragmento Florestal Beto/Jamil, 23 º 42 ' 57 ”S; 47 º04' 25 ”W), 1 Ψ, 7 /XII/ 2002 ( IBSPAbout IBSP 131429); (Fragmento Florestal Lacerda, 23 º 42 ' 57 ”S; 47 º06' 52 ”W), 1 Ψ ( IBSPAbout IBSP 131226); (Fragmento Florestal Lila, 23 º 43 ' 43 ”S; 47 º06' 55 ”W), 1 Ψ ( IBSPAbout IBSP 131230); (Fragmento Florestal Mioko, 23 º 43 ' 32 ”S; 47 º03' 49 ”W), 1 Ψ ( IBSPAbout IBSP 131431); (Fragmento Florestal Pedro, 23 º 42 ' 55 ”S; 47 º05' 35 ”W), 1 Ψ ( IBSPAbout IBSP 131233); (Fragmento Florestal Pedroso, 23 º 44 ' 17 ”S; 47 º04' 25 ”W), 2 Ψ ( IBSPAbout IBSP 131232); (Reserva Florestal do Morro Grande, 23 ° 36 ' 14 ''S; 46 ° 55 ' 8 ''W), 1 ɗ 2 Ψ, 3 /XII/ 2002, A. A. Nogueira et al. col. ( IBSPAbout IBSP 131227 – 131229); Cubatão, Área de Preservação da COPEBRÁS (23 ° 53 ' 42 ''S; 46 ° 25 ' 30 ''W), 1 ɗ, XII/ 2008, A. A. Nogueira col. ( IBSPAbout IBSP 143793); São Paulo, Reservatório Guarapiranga, Parque Ilha dos Eucaliptos (23 ° 44 ' 1 ''S; 46 ° 44 ' 1 ''W), 2 Ψ, 7–13 /IV/ 2005, I. Cizauskas & C. R. M. Garcia col. ( IBSPAbout IBSP 65880, 65881); Mogi das Cruzes, Biritiba-Uçu, Manuel Ferreira (23 ° 31 ' 22 ''S; 46 ° 11 ' 16 ''W), 1 ɗ, V/ 2001, E. K. Kashimata & R. Martins col. ( IBSPAbout IBSP 56366); Sorocaba, Universidade Federal de São Carlos, Campus Sorocaba (23 ° 35 '0''S; 47 ° 31 ' 26 ''W), 2 Ψ, 19–25 /XI/ 2008, V. S. Saito & A. Calazans col. ( IBSPAbout IBSP 143775, 143776); Paraná: Antonina, Reserva  Natural do Rio Cachoeira (25 ° 25 ' 44 ''S; 48 ° 42 ' 43 ''W), 2 Ψ, 13–19 /IV/ 2004, H. Höfer et al. col. ( IBSPAbout IBSP 136222, 143795), 1 ɗ 4 Ψ, IX/ 2005, E. Álvarez et al. col. ( IBSPAbout IBSP 143780; MCN 45059View Materials, 45114); Guaraqueçaba, Reserva Natural da Serra do Itaqui (25 ° 18 ' 25 ''S; 48 ° 19 ' 44 ''W), 1 ɗ, 18 /IX/ 2007, I. Cizauskas col. ( IBSPAbout IBSP 143774), 1 Ψ, 19 /IX/ 2007, I. Cizauskas col. ( IBSPAbout IBSP 143773), 2 ɗ 2 Ψ, 20 /IX/ 2007, E. F. Ramos col. ( IBSPAbout IBSP 143748), 4 Ψ, 20 /IX/ 2007, E. Álvarez col. ( IBSPAbout IBSP 143749), 4 ɗ 10 Ψ, IX/ 2007, E. F. Ramos et al. col. ( IBSPAbout IBSP 151672, 151673; MCN 45929View Materials); Morretes (25 ° 28 ' 37 ''S; 48 ° 50 ' 2 ''W), 1 ɗ, 28–29 /X/ 1995, A. B. Bonaldo col. ( MCN 26957View Materials); Santa Catarina: Chapecó, Rio Monte Alegre (27 º 10 '52,07''S; 52 º 46 '42,03''W), 2 Ψ, II/ 2008, R. C. Francisco col. ( IBSPAbout IBSP 126458, 126459).

IBSP

Instituto Biologico de Sao Paulo

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Linyphiidae

Genus

Exocora