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Revision and Phylogenetic Analysis of the Genus Phonoctonus Stal, 1853 (Heteroptera, Reduviidae, Harpactorinae).

ABSTRACT: This paper presents a taxonomic revision and phylogenetic analysis of nine known species of the genus Phonoctonus Stål, 1853, distributed exclusively in the Afrotropical region. The revision and phylogenetic analysis were performed using morphological data. A full redescription for all species is provided, taxonomical problems are clarified, and diagnostic characters are presented and illustrated. Based on the analysis, thirteen species are recognised as valid: Phonoctonus bifasciatus stat. nov., P. caesar, P. elegans, P. fairmairei stat. nov., P. fasciatus, P. grandis, P. immitis stat. rev., P. luridus, P. lutescens, P. nigrofasciatus stat. rev., P. picta stat. nov., P. picturatus stat. rev., and P. principalis. New synonymies are proposed: Phonoctonus nigrofasciatus= P. fasciatus var. poultoni syn. nov., P. picturatus = P. fasciatus var. discalis syn. nov., and P. principalis = P. validus syn. nov. An identification key to separate the species, drawings of dorsal habitus, and distribution maps of all valid species are presented. Performed morphological phylogenetic analyses indicate monophyly of the genus Phonoctonus.

SUBMITTER: Bugaj-Nawrocka A

PROVIDER: S-EPMC8705300 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Erratum: Corrigendum: Three new species of the genus Biasticus Stal, 1867 (Insecta, Heteroptera, Reduviidae, Harpactorinae) from Central Highlands, Vietnam. ZooKeys 1118: 133-180. https://doi.org/10.3897/zookeys.1118.83156.

Project description:[This corrects the article DOI: 10.3897/zookeys.1118.83156.].

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Project description:The male of Hiranetis atra Stål, 1872 is described and illustrated for the first time. In addition, this paper illustrates the female and provides new country records for this species. Photographs of all extant types of species of Hiranetis Spinola, 1840 are presented with taxonomic notes on the other two species of the genus.

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Review of the Genus Sycanus Amyot & Serville, 1843 (Heteroptera: Reduviidae: Harpactorinae), from China Based on DNA Barcoding and Morphological Evidence.

Project description:Due to the variability of body coloration and morphological similarity among closely related species, unresolved issues and debates still persist in the taxonomic study of the genus Sycanus from China. In this study, we conducted phylogenetic analyses and species delimitation for Sycanus in China based on a COI DNA barcoding dataset comprising 81 samples. The results revealed that all the samples could be classified into 12 species by integrating molecular analyses with morphological comparison. This paper provides a comprehensive systematic review of the Sycanus species found in China, including descriptions of three new species: S. taiwanensis Zhao & Cai sp. nov., S. flavicorius Li & Cai sp. nov., and S. hainanensis Wang & Cai sp. nov. Furthermore, it is proposed that S. croceovittatus Dohrn, 1859, S. leucomesus Walker, 1873, and S. villicus Stål, 1863, are three synonyms of S. bifidus (Fabricius, 1787); S. bicolor Hsiao, 1979, is a synonym of S. versicolor Dohrn, 1859; and S. hsiaoi Maldonado-Capriles, 1990, is a synonym of S. marginellus Putshkov, 1987. Additionally, brief biological information is provided for two species, S. falleni Stål, 1863, and S. croceus Hsiao, 1979.

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A new synonym of a species of Stachyotropha Stal, 1871, a genus of Asian Stenopodainae (Hemiptera, Heteroptera, Reduviidae).

Project description:BackgroundStachyotropha Stål, 1871 (Reduviidae, Stenopodainae) currently includes only two species: S.punctifera Stål, 1871 and S.miyamotoi Hidaka & Miller, 1959 only recorded from East Asia.New informationThis study reviews the genus Stachyotropha Stål, 1871 and its two described species. Based on the examination of the type specimens and the original descriptions, S.miyamotoi Hidaka & Miller, 1959 is regarded as a junior synonym of S.punctifera. Further, we briefly discuss the distribution and biology of S.punctifera.

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Project description:Based on examination of its holotype, Helonotus pallidulus Walker, 1873 is transferred to the genus Heza Amyot & Serville, 1843 with the resulting new combination: Heza pallidula (Walker, 1873), comb. nov. (Hemiptera, Heteroptera, Reduviidae, Harpactorinae, Harpactorini). A comparison with the similar Heza ventralis Stål,1872 is provided.

| S-EPMC6718368 | biostudies-literature

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Project description:Sclomina Stål, 1861 (Heteroptera: Reduviidae: Harpactorinae) is endemic to China and Vietnam, with only two species, Sclomina erinacea Stål, 1861 and Sclomina guangxiensis Ren, 2001, characterized by spinous body and dentate abdominal connexivum. However, due to variable morphological characteristics, Sclomina erinacea, which is widely distributed in South China, is possibly a complex of cryptic species, and Sclomina guangxiensis was suspected to be an extreme group of the S. erinacea cline. In the present study, we conducted species delimitation and phylogenetic analyses based on the mitochondrial cytochrome c oxidase subunit I (COI) gene sequences of 307 Sclomina specimens collected from 30 sampling localities combined with morphological evidence. The result showed that all samples used in this study were identified as five species: Sclomina guangxiensis is a valid species, and Sclomina erinacea actually includes three cryptic species: Sclomina xingrensis P. Zhao and Cai sp. nov., Sclomina pallens P. Zhao and Cai sp. nov., and Sclomina parva P. Zhao and Cai sp. nov. In this paper, the genus Sclomina is systematically revised, and the morphological characteristics of the five species are compared, described, and photographed in detail. We elucidate the evolutionary history of Sclomina based on results of estimated divergence time. The body shape and coloration (green in nymph and brown in adult) of Sclomina match their environment and mimic the Rubus plants on which they live. The symbiotic relationship between Sclomina and spinous Rubus plants is presented and discussed.

| S-EPMC8001484 | biostudies-literature

Analysis of the karyotype structure in Ricolla quadrispinosa (Linneus, 1767): inferences about the chromosomal evolution of the tribes of Harpactorinae (Heteroptera, Reduviidae).

Project description:The subfamily Harpactorinae is composed of six tribes. Phylogenetic studies bring together some of Harpactorinae tribes, but by and large the data on evolutionary relationships of the subfamily are scarce. Chromosome studies are of great importance for understanding the systematics of different groups of insects. For Harpactorinae, these studies are restricted to some subfamilies and involved only conventional chromosome analysis. This work analyzed cytogenetically Ricolla quadrispinosa (Linneus, 1767). The chromosome number was determined as 2n = 24 + X1X2Y in males. In metaphase II the autosomal chromosomes were organized in a ring with the pseudo-trivalent of sex chromosomes in its center. After C-banding followed by staining with DAPI, AT-rich blocks in autosomes were observed and the negatively heteropycnotic sex chromosomes. The data obtained, together with existing data for other species of the group, indicated that different chromosomal rearrangements are involved in the evolution of the species. In addition, a proposal of karyotype evolution for the subfamily, based on existing phylogenetic studies for the group is presented.

| S-EPMC5240520 | biostudies-literature

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| S-EPMC9604541 | biostudies-literature

Renicorisrobustus, a new genus and species of the subfamily Harpactorinae (Hemiptera, Reduviidae) from China.

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