A new species of the wasp genus Trypoxylon from southern Brazil, with notes on the systematics of Pisoxylon (Hymenoptera, Crabronidae)

A new species of Trypoxylon is described from females and males collected in trap-nests and Malaise traps disposed in sites of Atlantic forest in southern Brazil (Paraná and São Paulo states). Trypoxylon basirufum sp. nov. is structurally very similar to Pisoxylon roosevelti Antropov, differing in details of the color pattern, clypeal apex, male antenna and propleura. In an ongoing molecular phylogenetic study of the genus Trypoxylon, T. basirufum sp. nov. did not group with Pisoxylon amenkei Antropov, a species very close morphologically to P. xanthosoma Menke, the type species of Pisoxylon. Based on these results, the scope of the Neotropical wasp genus Pisoxylon Menke is changed to include only the type species and P. amenkei, and consequently Pisoxylon roosevelti is transferred to Trypoxylon s. str.

Keywords.
Digger-wasps; Crabroninae; Neotropics; Taxonomy; Trypoxylini

Authorship

David Barros Muniz ²2E-mail: david_bio@yahoo.com.br (correspondent author)

Universidade Federal do Paraná (UFPR), Setor de Ciências Biológicas, Departamento de Zoologia (DZOO), Laboratório de Biologia Comparada de Hymenoptera (LBCH). Curitiba, PR, BrasilUniversidade Federal do ParanáBrasilCuritiba, PR, BrasilUniversidade Federal do Paraná (UFPR), Setor de Ciências Biológicas, Departamento de Zoologia (DZOO), Laboratório de Biologia Comparada de Hymenoptera (LBCH). Curitiba, PR, Brasil

https://orcid.org/0000-0003-1152-2376

Gabriel A.R. Melo ³3E-mail: garmelo@ufpr.br

https://orcid.org/0000-0001-9042-3899

²E-mail: david_bio@yahoo.com.br (correspondent author)

³E-mail: garmelo@ufpr.br

AUTHORS’ CONTRIBUTIONS

D.B.M.: Prepared the specimens for taxonomy; identified, described the species and revised the literature; took the photographs and prepared the figures; prepared the manuscript and review; ensured standardization and following of journal norms. G.A.R.M.: Supervision, assisted in writing manuscript and review. All authors approved the final manuscript.

Edited by: Kelli dos Santos Ramos

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (4)

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Figure 1
Habitus, lateral view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

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Figure 2
Habitus, dorsal view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

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Figure 3
Head, frontal view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

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Figure 4
Holotype female of Pisoxylon rooseveltiAntropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).. (A) Head, frontal view. (B) Habitus, dorsal view. (C) Specimen labels. (D) Habitus, lateral view.

Figure 1 Habitus, lateral view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

Figure 2 Habitus, dorsal view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

Figure 3 Head, frontal view. (A) Trypoxylon roosevelti (Antropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).), female from Manaus, Amazonas, Brazil. (B) Trypoxylon roosevelti, male from Rio Branco, Acre, Brazil. (C) Trypoxylon basirufum sp. nov., female holotype. (D) Trypoxylon basirufum sp. nov., male paratype from Antonina, Paraná, Brazil. Scale = 1 mm.

Figure 4 Holotype female of Pisoxylon rooseveltiAntropov, 1998Antropov, A.V. 1998. Digger Wasps of the Genus Pisoxylon (Hymenoptera, Sphecidae, Trypoxylini). Entomological Review, 78(6): 761-767. Translated from Zoologicheskii Zhurnal, 77(8).. (A) Head, frontal view. (B) Habitus, dorsal view. (C) Specimen labels. (D) Habitus, lateral view.

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A new species of the wasp genus Trypoxylon from southern Brazil, with notes on the systematics of Pisoxylon (Hymenoptera, Crabronidae)

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[1] ²E-mail: david_bio@yahoo.com.br (correspondent author)