Three new species of <i>Pelidnota</i> MacLeay (Coleoptera, Scarabaeidae, Rutelinae) and new distributional records from northeast Brazil

Three new species of Pelidnota MacLeay, 1819 are described from Brazil, P. beckeri sp. nov., P. nordestina sp. nov., and P. pernambucana sp. nov. The diagnostic characters of the new species are presented, and they are included in the previously published key to Pelidnota. Illustrations of the male genitalia and photographs of males and females of the new species are also provided. It is reported the first record of the genus for the Brazilian Caatinga (tropical seasonal forest). New records of four species and two subspecies of Pelidnota are presented, all from Bahia state, northeastern Brazil.

Keywords:
Neotropical region; Rutelini; Scarabaeoidea; Taxonomy

Authorship

André da Silva Ferreira ^** Corresponding author. E-mail:sferreira.and@gmail.com (A.S. Ferreira).

Universidade Federal da Bahia, Instituto de Biologia, Programa de Pós-Graduação em Diversidade Animal, Bahia, BA, BrazilUniversidade Federal da BahiaBrazilBahia, BA, BrazilUniversidade Federal da Bahia, Instituto de Biologia, Programa de Pós-Graduação em Diversidade Animal, Bahia, BA, Brazil

Lúcia M. Almeida

Universidade Federal do Paraná, Departamento de Zoologia, Laboratório de Sistemática e Bioecologia de Coleoptera, Curitiba, PR, BrazilUniversidade Federal do ParanáBrazilCuritiba, PR, BrazilUniversidade Federal do Paraná, Departamento de Zoologia, Laboratório de Sistemática e Bioecologia de Coleoptera, Curitiba, PR, Brazil

Freddy Bravo

Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Laboratório de Sistemática de Insetos, Feira de Santana, BA, BrazilUniversidade Estadual de Feira de SantanaBrazilFeira de Santana, BA, BrazilUniversidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Laboratório de Sistemática de Insetos, Feira de Santana, BA, Brazil

* Corresponding author. E-mail:sferreira.and@gmail.com (A.S. Ferreira).

Conflicts of interest

The authors declare no conflicts of interest.

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (11)

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Figs. 1-10
Pelidnota. 1-8, Pelidnota beckeri sp. nov.; 1-3, male holotype (dorsal, ventral, lateral); 4-6, female paratype (dorsal, ventral, lateral); 7-8, clypeus in dorsal view (male, female); 9-10, P. unicolor (Drury, 1778) (dorsal, lateral). Scale bars: Figs. 1-6 = 9.0 mm, Figs. 7-8 = 2.5 mm, Figs. 9-10 = 8.2 mm.

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Figs. 17-24
Mouthparts. 17-20, labrum in frontal view; 17, P. beckeri sp. nov.; 18, P. unicolor (Drury); 19, P. nordestina sp. nov.; 20, P. pernambucana sp. nov.; 21-24, left mandible in dorsolateral view; 21, Pelidnota beckeri sp. nov.; 22, P. unicolor (Drury); 23, P. nordestina sp. nov.; 24, P. pernambucana sp. nov. Scale bars: Figs. 17-24 = 2.0 mm.

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Figs. 25-28
Mouthparts. 25 and 26, left maxilla in dorsal view; 25, P. beckeri sp. nov.; 26, P. unicolor (Drury); 27-28, left maxilla in dorsal view; 27, Pelidnota nordestina sp. nov.; 28, P. pernambucana sp. nov. Scale bars: Figs. 25-28 = 2.0 mm.

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Figs. 53-56
Right metatibia of male in lateral view. 53, Pelidnota beckeri sp. nov.; 54, P. unicolor (Drury); 55, P. nordestina sp. nov.; 56, P. pernambucana sp. nov. Scale bars: Figs. 53-56 = 2.0 mm.

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Figs. 29-32
Mouthparts. 29-32, labium in dorsal view; 29, P. beckeri sp. nov.; 30, P. unicolor (Drury); 31, P. nordestina sp. nov.; 32, P. pernambucana sp. nov. Scale bars: Figs. 29-32 = 2.0 mm.

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Figs. 33-40
Elytral apex in frontal view and anteroexternal coxal angle of right metacoxa in lateral view. 33-36, Elytral apex; 33, Pelidnota beckeri sp. nov.; 34, P. unicolor (Drury); 35, P. nordestina sp. nov.; 36, P. pernambucana sp. nov.; 37-40, anteroexternal coxal angle of right metacoxa; 37, P. beckeri sp. nov.; 38, P. unicolor (Drury); 39, P. nordestina sp. nov.; 40, P. pernambucana sp. nov. Scale bars: Figs. 33-36 = 0.500 mm, Figs. 37-40 = 1.0 mm.

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Figs. 41-46
Protibia and pygidium in dorsal view. 41-44, left protíbia; 41, Pelidnota beckeri sp. nov.; 42, P. unicolor (Drury); 43, P. nordestina sp. nov.; 44, P. pernambucana sp. nov.; 45-46, pygidium; 45, P. nordestina sp. nov.; 46, P. pernambucana sp. nov. Scale bars: Figs. 41-42 = 1.0 mm, Figs. 45-76 = 2.7 mm.

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Figs. 47-52
Anterior tarsal claws of male and left metatibia of female in lateral view. 47-50, anterior tarsal claws of male; 47, Pelidnota beckeri sp. nov.; 48, P. unicolor (Drury); 49, P. nordestina sp. nov.; 50, P. pernambucana sp. nov.; 51 and 52, metatibia of female; 51, P. beckeri sp. nov., a spine-like seta; 52, P. unicolor (Drury), a spine (cuticular projection). Scale bars: Figs. 47-50 = 0.500 mm, Figs. 51 and 52 = 1.0 mm.

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Figs. 57-68
Male genitalia and paramers margin drawing. 57-64, male genitalia; 57 and 58, Pelidnota beckeri sp. nov. (dorsal, lateral); 59 and 60, P. unicolor (Drury) (dorsal, lateral); 61 and 62, P. nordestina sp. nov. (dorsal, lateral); 63 and 64, P. pernambucana sp. nov. (dorsal, lateral); 65-68, paramers margin drawing; 65, P. beckeri sp. nov.; 66, P. unicolor (Drury); 67, P. nordestina sp. nov.; 68, P. pernambucana sp. nov. Scale bars: Figs. 57-64 = 2.5 mm.

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Figs. 69-77
Labels attached to the hotypes. 69-71, Pelidnota beckeri sp. nov.; 72-74, P. nordestina sp. nov.; 75-77, P. pernambucana sp. nov.

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Figs. 11-16
Pelidnota. 11-13, Pelidnota nordestina sp. nov., male holotype (dorsal, ventral, lateral); 14-16, P. pernambucana sp. nov., male holotype (dorsal, ventral, lateral). Scale bars: Figs. 11-13 = 5.5 mm, Figs. 14-16 = 5.0 mm.

Figs. 1-10 Pelidnota. 1-8, Pelidnota beckeri sp. nov.; 1-3, male holotype (dorsal, ventral, lateral); 4-6, female paratype (dorsal, ventral, lateral); 7-8, clypeus in dorsal view (male, female); 9-10, P. unicolor (Drury, 1778) (dorsal, lateral). Scale bars: Figs. 1-6 = 9.0 mm, Figs. 7-8 = 2.5 mm, Figs. 9-10 = 8.2 mm.

Figs. 17-24 Mouthparts. 17-20, labrum in frontal view; 17, P. beckeri sp. nov.; 18, P. unicolor (Drury); 19, P. nordestina sp. nov.; 20, P. pernambucana sp. nov.; 21-24, left mandible in dorsolateral view; 21, Pelidnota beckeri sp. nov.; 22, P. unicolor (Drury); 23, P. nordestina sp. nov.; 24, P. pernambucana sp. nov. Scale bars: Figs. 17-24 = 2.0 mm.

Figs. 25-28 Mouthparts. 25 and 26, left maxilla in dorsal view; 25, P. beckeri sp. nov.; 26, P. unicolor (Drury); 27-28, left maxilla in dorsal view; 27, Pelidnota nordestina sp. nov.; 28, P. pernambucana sp. nov. Scale bars: Figs. 25-28 = 2.0 mm.

Figs. 53-56 Right metatibia of male in lateral view. 53, Pelidnota beckeri sp. nov.; 54, P. unicolor (Drury); 55, P. nordestina sp. nov.; 56, P. pernambucana sp. nov. Scale bars: Figs. 53-56 = 2.0 mm.

Figs. 29-32 Mouthparts. 29-32, labium in dorsal view; 29, P. beckeri sp. nov.; 30, P. unicolor (Drury); 31, P. nordestina sp. nov.; 32, P. pernambucana sp. nov. Scale bars: Figs. 29-32 = 2.0 mm.

Figs. 33-40 Elytral apex in frontal view and anteroexternal coxal angle of right metacoxa in lateral view. 33-36, Elytral apex; 33, Pelidnota beckeri sp. nov.; 34, P. unicolor (Drury); 35, P. nordestina sp. nov.; 36, P. pernambucana sp. nov.; 37-40, anteroexternal coxal angle of right metacoxa; 37, P. beckeri sp. nov.; 38, P. unicolor (Drury); 39, P. nordestina sp. nov.; 40, P. pernambucana sp. nov. Scale bars: Figs. 33-36 = 0.500 mm, Figs. 37-40 = 1.0 mm.

Figs. 41-46 Protibia and pygidium in dorsal view. 41-44, left protíbia; 41, Pelidnota beckeri sp. nov.; 42, P. unicolor (Drury); 43, P. nordestina sp. nov.; 44, P. pernambucana sp. nov.; 45-46, pygidium; 45, P. nordestina sp. nov.; 46, P. pernambucana sp. nov. Scale bars: Figs. 41-42 = 1.0 mm, Figs. 45-76 = 2.7 mm.

Figs. 47-52 Anterior tarsal claws of male and left metatibia of female in lateral view. 47-50, anterior tarsal claws of male; 47, Pelidnota beckeri sp. nov.; 48, P. unicolor (Drury); 49, P. nordestina sp. nov.; 50, P. pernambucana sp. nov.; 51 and 52, metatibia of female; 51, P. beckeri sp. nov., a spine-like seta; 52, P. unicolor (Drury), a spine (cuticular projection). Scale bars: Figs. 47-50 = 0.500 mm, Figs. 51 and 52 = 1.0 mm.

Figs. 57-68 Male genitalia and paramers margin drawing. 57-64, male genitalia; 57 and 58, Pelidnota beckeri sp. nov. (dorsal, lateral); 59 and 60, P. unicolor (Drury) (dorsal, lateral); 61 and 62, P. nordestina sp. nov. (dorsal, lateral); 63 and 64, P. pernambucana sp. nov. (dorsal, lateral); 65-68, paramers margin drawing; 65, P. beckeri sp. nov.; 66, P. unicolor (Drury); 67, P. nordestina sp. nov.; 68, P. pernambucana sp. nov. Scale bars: Figs. 57-64 = 2.5 mm.

Figs. 69-77 Labels attached to the hotypes. 69-71, Pelidnota beckeri sp. nov.; 72-74, P. nordestina sp. nov.; 75-77, P. pernambucana sp. nov.

Figs. 11-16 Pelidnota. 11-13, Pelidnota nordestina sp. nov., male holotype (dorsal, ventral, lateral); 14-16, P. pernambucana sp. nov., male holotype (dorsal, ventral, lateral). Scale bars: Figs. 11-13 = 5.5 mm, Figs. 14-16 = 5.0 mm.

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Three new species of <i>Pelidnota</i> MacLeay (Coleoptera, Scarabaeidae, Rutelinae) and new distributional records from northeast Brazil

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[1] * Corresponding author. E-mail:sferreira.and@gmail.com (A.S. Ferreira).