On the genus Diphya: notes on the Brazilian D. bicolor and a new species from Ecuador (Araneae: Tetragnathidae)

In this paper a new species of Diphya Nicolet, 1849, D. napo sp. nov. is described based on males and females from Ecuador. The female of Diphya bicolor Vellard, 1926 is described and illustrated for the first time and new records are presented. Oarces ornatus Mello-Leitão, 1935 and Azilia eximia (Mello-Leitão, 1940) are synonymized with D. bicolor, being A. eximia removed from the synonym of Azilia Keyserling, 1881 and being Cardimia Mello-Leitão, 1940 considered synonym of Diphya.

KEYWORDS
Neotropical; new records; South America; Tetragnathinae; taxonomy

Authorship

Ricardo Ott

Museu de Ciências Naturais, Secretaria do Meio Ambiente e Infraestrutura do Rio Grande do Sul, Rua Dr. Salvador França, 1427, 90690-000 Porto Alegre, RS, Brazil. Museu de Ciências NaturaisBrazilPorto Alegre, RS, Brazil Museu de Ciências Naturais, Secretaria do Meio Ambiente e Infraestrutura do Rio Grande do Sul, Rua Dr. Salvador França, 1427, 90690-000 Porto Alegre, RS, Brazil.

http://orcid.org/0000-0001-7392-1415

Everton Nei Lopes Rodrigues

Universidade Estadual de Maringá (UEM), Departamento de Biologia (DBI), Av. Colombo, 5790, Zona 7, 87030-121 Maringá, PR, Brazil. Universidade Estadual de MaringáBrazilMaringá, PR, Brazil Universidade Estadual de Maringá (UEM), Departamento de Biologia (DBI), Av. Colombo, 5790, Zona 7, 87030-121 Maringá, PR, Brazil.

http://orcid.org/0000-0002-9814-0954

Antonio D. Brescovit

Laboratório de Coleções Zoológicas, Instituto Butantan, Av. Vital Brasil, 1500, 05503-090 São Paulo, SP, Brazil. Instituto ButantanBrazilSão Paulo, SP, BrazilLaboratório de Coleções Zoológicas, Instituto Butantan, Av. Vital Brasil, 1500, 05503-090 São Paulo, SP, Brazil.

http://orcid.org/0000-0002-1511-5324

aracnomcn@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (10)

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Figs 1-5.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male MCN 35220: 1, 2, lateral view; 3, dorsal view; 4, ventral view; 5, frontal view.

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Figs 6-10.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male MCN 35220, palp: 6, retrolateral view; 7, ventral view; 8, dorsal view; 9, prolateral view; 10, frontal view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium).

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Figs 11-16.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male IBSP 20101. SEM palp: 11, retrolateral view; 12, ventro-apical view; 13, dorsal view; 14, apical view; 15, detail, posterior view; 16, prolateral view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium; RTA, retrolateral tibial apophysis).

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Figs 17-20.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male IBSP 20101. SEM: 17, palp, detail, cymbial ectomedian process; 18, tibia, dorsal view; 19, palp, detail, cymbium apical; 20, leg IV, claws (TO, tarsal organ).

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Figs 21-26.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female, IBSP 27464. SEM: 21, Leg I, prolateral view; 22, same, claws; 23, palp claw, prolateral view; 24, chelicerae, anterior view; 25, same, detail; 26, epigynum, ventral view (AP, anterior pockets; BP, basal plate; CO, copulatory opening).

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Figs 27-34.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female. 27-31, MCN 35220 (Rio Grande do Sul); 32, MCN 30679 (Rio Grande do Sul); 33, MCN 2214 (Rio de Janeiro); 34, IBSP 20102 (Minas Gerais). 27, lateral view; 28, carapace, frontal; 29, dorsal view; 30, ventral view; 31, epigynum, ventral view; 32-34, epigyna, ventral, cleared (A, atrium; AP, anterior pockets; BP, basal plate; CD, copulatory duct; CO, copulatory opening; FD, fertilization duct; LP, lateral plate; MP, marginal plate; S, spermathecae).

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Figs 35-38.
Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female, alive appearance: 35, frontal view; 36, 37, lateral view; 38, dorsal view. Images: Felipe Rasmini, Iraí, RS.

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Figs 39-48.
Diphya napo sp. nov., male paratype IBSP 283137: 39-43, body; 44-48, palp. 39, 40, Lateral view; 41, dorsal view; 42, carapace, frontal view; 43, ventral view; 44, detail, retrolateral tibial apophysis, prolateral view; 45, dorsal view; 46, prolateral view; 47, ventral view; 48, retrolateral view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium; RTA, retrolateral tibial apophysis).

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Figs 49-57.
Diphya napo sp. nov., female paratype IBSP 283136: 49-53, body; 54-57, epigynum. 49, 50, lateral view; 51, dorsal view; 52, ventral view; 53, carapace, frontal view; 54, epigynum, ventral view; 55, epigynum, posterior view; 56, ventral, clove oil cleared; 57, dorsal, clove oil cleared (A, atrium; BP, basal plate; CD, copulatory duct; CO, copulatory opening; FD, fertilization duct; LP, lateral plate; S, spermathecae).

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Fig. 58.
Distribution of Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331. and D. napo sp. nov. in South America.

Figs 1-5. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male MCN 35220: 1, 2, lateral view; 3, dorsal view; 4, ventral view; 5, frontal view.

Figs 6-10. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male MCN 35220, palp: 6, retrolateral view; 7, ventral view; 8, dorsal view; 9, prolateral view; 10, frontal view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium).

Figs 11-16. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male IBSP 20101. SEM palp: 11, retrolateral view; 12, ventro-apical view; 13, dorsal view; 14, apical view; 15, detail, posterior view; 16, prolateral view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium; RTA, retrolateral tibial apophysis).

Figs 17-20. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., male IBSP 20101. SEM: 17, palp, detail, cymbial ectomedian process; 18, tibia, dorsal view; 19, palp, detail, cymbium apical; 20, leg IV, claws (TO, tarsal organ).

Figs 21-26. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female, IBSP 27464. SEM: 21, Leg I, prolateral view; 22, same, claws; 23, palp claw, prolateral view; 24, chelicerae, anterior view; 25, same, detail; 26, epigynum, ventral view (AP, anterior pockets; BP, basal plate; CO, copulatory opening).

Figs 27-34. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female. 27-31, MCN 35220 (Rio Grande do Sul); 32, MCN 30679 (Rio Grande do Sul); 33, MCN 2214 (Rio de Janeiro); 34, IBSP 20102 (Minas Gerais). 27, lateral view; 28, carapace, frontal; 29, dorsal view; 30, ventral view; 31, epigynum, ventral view; 32-34, epigyna, ventral, cleared (A, atrium; AP, anterior pockets; BP, basal plate; CD, copulatory duct; CO, copulatory opening; FD, fertilization duct; LP, lateral plate; MP, marginal plate; S, spermathecae).

Figs 35-38. Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331., female, alive appearance: 35, frontal view; 36, 37, lateral view; 38, dorsal view. Images: Felipe Rasmini, Iraí, RS.

Figs 39-48. Diphya napo sp. nov., male paratype IBSP 283137: 39-43, body; 44-48, palp. 39, 40, Lateral view; 41, dorsal view; 42, carapace, frontal view; 43, ventral view; 44, detail, retrolateral tibial apophysis, prolateral view; 45, dorsal view; 46, prolateral view; 47, ventral view; 48, retrolateral view (Co, conductor; Cy, cymbium; CEMP, cymbial ectomedian process; E, embolus; PC, paracymbium; RTA, retrolateral tibial apophysis).

Figs 49-57. Diphya napo sp. nov., female paratype IBSP 283136: 49-53, body; 54-57, epigynum. 49, 50, lateral view; 51, dorsal view; 52, ventral view; 53, carapace, frontal view; 54, epigynum, ventral view; 55, epigynum, posterior view; 56, ventral, clove oil cleared; 57, dorsal, clove oil cleared (A, atrium; BP, basal plate; CD, copulatory duct; CO, copulatory opening; FD, fertilization duct; LP, lateral plate; S, spermathecae).

Fig. 58. Distribution of Diphya bicolorVellard, 1926Vellard, J. 1926. Contribution à l’étude des araignées. Nouvelles espèces d’Argiopidae. Memórias do Instituto Butantan 3:327-331. and D. napo sp. nov. in South America.

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Museu de Ciências Naturais Museu de Ciências Naturais, Secretária do Meio Ambiente e Infraestrutura, Rua Dr. Salvador França, 1427, Jardim Botânico, 90690-000 - Porto Alegre - RS - Brasil, Tel.: + 55 51- 3320-2039 - Porto Alegre - RS - Brazil
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On the genus Diphya: notes on the Brazilian D. bicolor and a new species from Ecuador (Araneae: Tetragnathidae)

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[1] aracnomcn@gmail.com