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. 2024 Oct 25:1216:219-264.
doi: 10.3897/zookeys.1216.130270. eCollection 2024.

Taxonomic review of the grasshopper genus Pteropera Karsch, 1891 (Orthoptera, Acrididea, Catantopinae) with description of three new species and a preliminary phylogeny of the Cameroonian species

Jeanne Agrippine Yetchom Fondjo  1   2 , Armand Richard Nzoko Fiemapong  3 , Maurice Tindo  1 , Tarekegn Fite Duressa  2   4 , Slobodan Ivković  2 , Martin Husemann  2
Affiliations

Taxonomic review of the grasshopper genus Pteropera Karsch, 1891 (Orthoptera, Acrididea, Catantopinae) with description of three new species and a preliminary phylogeny of the Cameroonian species

Jeanne Agrippine Yetchom Fondjo et al. Zookeys. .

Abstract

The Afrotropical grasshopper genus Pteropera Karsch, 1891, is reviewed. Some species present in Cameroon are described, Pteroperaaugustini Donskoff, 1981, is recorded for the first time in the country, and three new species are described from Cameroon, Pteroperakennei Yetchom & Husemann, sp. nov., Pteroperamatzkei Yetchom & Husemann, sp. nov. and Pteroperamissoupi Yetchom & Husemann, sp. nov., increasing the number of Pteropera species in Cameroon from eight to 12, and overall to 30 species in Central Africa. An updated key of Pteropera is provided. Photographs with data on the distributions of all known species are given. In addition, a phylogenetic tree was constructed using maximum likelihood and Bayesian inference on the basis of a concatenated dataset of COI, 16S, and 12S markers of available Cameroonian species. The maximum likelihood and Bayesian inference analyses of the concatenated datasets resulted in a well-resolved phylogeny of the group and species of Pteropera were recovered as monophyletic, largely with high support. In all cases, the discrimination of all studied species based on barcode information was congruent with the species limits determined by traditional taxonomy. Our findings show the potential of integrative taxonomy to resolve the relationships among grasshoppers below the family level. Further analyses, including more comprehensive taxon sampling and additional nuclear markers, are needed, and the occurrence of several taxa still needs to be confirmed in African rainforests.

Keywords: DNA barcodes; integrated taxonomy; short-horned grasshopper; tropical Africa.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1.
Figure 1.
Phylogenetic tree built from the maximum likelihood (ML) and Bayesian inference (BI) analyses of the concatenated (COI/16S/12S) dataset. The numbers close to the nodes of the tree are the bootstrap support (%) and the Bayesian posterior probabilities (PP). The collection localities are also indicated preceded by CM (Cameroon).
Figure 2.
Figure 2.
Images of holotypes, allotypes, and paratypes of Pteropera species in lateral view AP.augustini (holotype ♂) BP.augustini (allotype ♀) CP.balachowskyi (holotype ♂) DP.balachowskyi (allotype ♀) EP.bertii (holotype ♂) FP.bertii (paratype ♀) GP.brosseti (holotype ♂) HP.brosseti (allotype ♀) IP.basilewskyi (paratype ♀) JP.bredoi (holotype ♀).
Figure 3.
Figure 3.
Images of holotypes and allotypes of Pteropera species in lateral view AP.carnapi (holotype ♂) BP.carnapi (paratype ♀) CP.congoensis (holotype ♂) DP.congoensis (allotype ♀) EP.cornici (holotype ♂) FP.cornici (allotype ♀) GP.descampsi (holotype ♂) HP.descampsi (allotype ♀) IP.descarpentriesi (holotype ♂) JP.descarpentriesi (allotype ♀).
Figure 4.
Figure 4.
Images of holotypes, allotypes and paratypes of Pteropera species and subspecies in lateral view AP.femorata (holotype ♂; Cigliano et al. 2024) BP.femorata (♀) CP.grilloti (holotype ♂) DP.meridionalis (holotype ♀) EP.jeanninae (holotype ♂) FP.jeanninae (allotype ♀) GP.karschikarschi (♂) HP.karschikarschi (♀) IP.karschizenkeri (holotype ♂) JP.karschizenkeri (allotype ♀).
Figure 5.
Figure 5.
Images of Holotypes and Allotypes of Pteropera species in lateral view AP.menieri (Holotype ♂) BP.menieri (Allotype ♀) CP.mirei (Holotype ♂) DP.mirei (Allotype ♀) EP.morini (Holotype ♂) FP.morini (Allotype ♀) GP.pillaulti (Holotype ♂) HP.pillaulti (Allotype ♀) IP.poirieri (Holotype ♂) JP.poirieri (Allotype ♀).
Figure 6.
Figure 6.
Images of holotypes, allotypes, letotype and neallotype of Pteropera species in lateral view AP.spleniata (holotype ♂) BP.spleniata (holotype ♀) CP.teocchii (holotype ♂) DP.teocchii (allotype ♀) EP.thibaudi (holotype ♂) FP.thibaudi (allotype ♀) GP.verrucigena (lectotype ♂) HP.verrucigena (♀) IP.villiersi (holotype ♂) JP.villiersi (allotype ♀) KP.uniformis (neallotype ♂).
Figure 7.
Figure 7.
Images of holotypes, allotypes and paratype of Pteropera species in dorsal view AP.augustini (holotype ♂) BP.augustini (allotype ♀) CP.balachowskyi (holotype ♂) DP.balachowskyi (allotype ♀) EP.bertii (holotype ♂) FP.bertii (paratype ♀) GP.brosseti (holotype ♂) HP.brosseti (allotype ♀) IP.basilewskyi (paratype ♀) JP.bredoi (holotype ♀).
Figure 8.
Figure 8.
Images of holotypes, allotypes and paratype of Pteropera species in dorsal view AP.carnapi (holotype ♂) BP.carnapi (paratype ♀) CP.congoensis (holotype ♂) DP.congoensis (allotype ♀) EP.cornici (holotype ♂) FP.cornici (allotype ♀) GP.descampsi (holotype ♂) HP.descampsi (allotype ♀) IP.descarpentriesi (holotype ♂) JP.descarpentriesi (allotype ♀).
Figure 9.
Figure 9.
Images of holotypes, allotypes and paratype of Pteropera species in dorsal view AP.grilloti (holotype ♂) BP.meridionalis (holotype ♀) CP.jeanninae (holotype ♂) DP.jeanninae (allotype ♀) EP.karschikarschi (paratype ♂) FP.karschikarschi (paratype ♀) GP.karschizenkeri (holotype ♂) HP.karschizenkeri (allotype ♀) IP.menieri (holotype ♂) JP.menieri (allotype ♀).
Figure 10.
Figure 10.
Images of holotypes, allotypes and paratype of Pteropera species in dorsal view AP.mirei (holotype ♂) BP.mirei (allotype ♀) CP.morini (holotype ♂) DP.morini (allotype ♀) EP.pillaulti (holotype ♂) FP.pillaulti (allotype ♀) GP.poirieri (holotype ♂) HP.poirieri (allotype ♀) IP.spleniata (holotype ♂) JP.spleniata (holotype ♀).
Figure 11.
Figure 11.
Images of holotypes, allotypes, neallotype and paratype of Pteropera species in dorsal view AP.teocchii (holotype ♂) BP.teocchii (allotype ♀) CP.thibaudi (holotype ♂) DP.thibaudi (allotype ♀) EP.verrucigena (holotype ♂) FP.verrucigena (allotype ♀) GP.villiersi (holotype ♂) HP.villiersi (allotype ♀) IP.uniformis (neallotype ♂) JP.femorata (♀).
Figure 12.
Figure 12.
Pteroperakennei sp. nov. A habitus image of a male under natural conditions B male frontal view C female frontal view D male lateral view E female lateral view F male dorsal view G female dorsal view H epiphallus dorsal view I phallic complex lateral view J phallic complex dorsal view K phallic complex ventral view L female subgenital plate M female spermatheca.
Figure 13.
Figure 13.
Pteroperamatzkei sp. nov. A image of a female under natural conditions B male frontal view C female frontal view D male lateral view E female lateral view F male dorsal view G female dorsal view H epiphallus dorsal view I phallic complex lateral view J phallic complex dorsal view K phallic complex ventral view L female subgenital plate M female spermatheca.
Figure 14.
Figure 14.
Pteroperamissoupi sp. nov. A habitus image of a female under natural conditions B male frontal view C female frontal view D male lateral view E female lateral view F male dorsal view G female dorsal view H epiphallus dorsal view I phallic complex lateral view J phallic complex dorsal view K phallic complex ventral view L female subgenital plate M female spermatheca.
Figure 15.
Figure 15.
Internal genitalia of P.carnapi (A–D), P.descampsi (E–H), P.karschizenkeri (I–L), P.uniformis (M–P) and P.verrucigena (O–T).
Figure 16.
Figure 16.
Distribution of Pteropera species in African rainforests.
Figure 17.
Figure 17.
Distribution of Pteropera species in African rainforests.
Figure 18.
Figure 18.
Distribution of Pteropera species in African rainforests.
See this image and copyright information in PMC

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