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A new genus of spider beetle (Coleoptera, Ptinidae) from western Peru.

ABSTRACT: A new genus of flightless spider beetle from Peru with two new species is described. It is characterized by unique heart-shaped fused elytra and a broad pronotum with five basal depressions. The characters of this new genus and species are illustrated and discussed and the possible phylogenetic placement of this taxon is also included.

SUBMITTER: Philips TK

PROVIDER: S-EPMC7250936 | biostudies-literature |

REPOSITORIES: biostudies-literature

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New Coleoptera records from New Brunswick, Canada: Dermestidae, Endecatomidae, Bostrichidae, and Ptinidae.

Project description:We report ten new species records for the Coleoptera fauna of New Brunswick, Canada from the families Dermestidae, Endecatomidae, Bostrichidae, and Ptinidae. Anthrenus fuscus Olivier and Anthrenus museorum (Linnaeus) of the family Dermestidae are newly recorded for New Brunswick. Endecatomus rugosus (Randall) and the family Endecatomidae are recorded for the first time for New Brunswick and the Maritime provinces. Two Bostrichidae, the adventive Dinoderus minutus (Fabricius) and the native Stephanopachys substriatus (Paykull), are newly recorded for the province. Five species of Ptinidae, the adventive Anobium punctatum (DeGeer) and Microbregma emarginatum emarginatum (Duftschmid), and the native Hadrobregmus notatus (Say), Ptilinus lobatus Casey, and Ptilinus ruficornis Say are added to the faunal list of New Brunswick. Collection data, habitat data, and distribution maps are presented for all these species.

| S-EPMC3337057 | biostudies-literature

Nine new species of Clada from Madagascar (Coleoptera, Ptinidae).

Project description:Nine new species of the genus Clada (s. str.) Pascoe, 1887 (Bostrichoidea: Ptinidae: Eucradinae) are described from Madagascar: Clada (Clada) barclayisp. n., C. (C.) dimbyisp. n., C. (C.) fasciatasp. n., C. (C.) lalaesp. n., C. (C.) madagascarensissp. n., C. (C.) mamyisp. n., C. (C.) njakaisp. n., C. (C.) obesasp. n., and C. (C.) rindraisp. n. No species of this genus were previously known from Madagascar. Photographs of the dorsal habiti and drawings the male and female antennae and aedeagi of most of these species are given.

| S-EPMC6302070 | biostudies-literature

Nornalup, a new genus of pselaphine beetle from southwestern Australia (Coleoptera, Staphylinidae, Pselaphinae, Faronitae).

Project description:A new genus and three new species of the southwestern Australian pselaphine beetles belonging to the supertribe Faronitae are described: Nornalup Park & Chandler, gen. n., based on Nornalup afoveatus Park & Chandler, sp. n., Nornalup quadratus Park & Chandler, sp. n., and Nornalup minusculus Park & Chandler, sp. n. Illustrations of their habitus and major diagnostic characters are provided, as well as distribution maps and a key to species.

| S-EPMC5673837 | biostudies-literature

Ashea megacephala Kim & Ahn (Coleoptera, Staphylinidae, Aleocharinae), a new gyrophaenine genus and species from Peru.

Project description:Ashea megacephala, a new Peruvian genus and species is described. The specimens were collected on mushrooms and mushroom-associated trees. This genus can be readily distinguished from the other genera of the subtribe Gyrophaenina by the large head and the three indistinctly articulated labial palpomeres. A key to the known genera of Gyrophaenina is provided. A habitus photograph and illustrations of diagnostic characters are also presented.

| S-EPMC4668907 | biostudies-other

Contributions to the knowledge of Chinese flea beetle fauna (II): Baoshanaltica new genus and Sinosphaera new genus (Coleoptera, Chrysomelidae, Galerucinae, Alticini).

Project description:Two new genera: Baoshanalticagen. n. and Sinosphaeragen. n., and two new species: Baoshanaltica minutasp. n. and Sinosphaera apterasp. n. from south-west China are described and illustrated. Baoshanaltica is compared to the allied moss-inhabiting genera Cangshanaltica Konstantinov et al. and Phaelota Jacoby, in addition to Minota Kutschera. Sinosphaera is compared to Sphaeroderma Stephens, Omeisphaera Chen & Zia, Jacobyana Maulik, and Kamala Maulik.

| S-EPMC5740446 | biostudies-literature

A new genus and species of Staphylininae rove beetle from the Peruvian Amazon (Coleoptera, Staphylinidae).

Project description:A new monotypic genus of Staphylininae Latreille, 1802 tribe incertae sedis is proposed based on Amazonothops aslaki gen. et sp. nov. from the Peruvian Amazon. Descriptions and illustrations of the new genus and species are provided. Its systematic placement and phylogenetic significance are discussed.

| S-EPMC6978408 | biostudies-literature

Five new species of the leaf-beetle genus Monolepta Chevrolat (Coleoptera, Chrysomelidae, Galerucinae) from China.

Project description:In this study, five new species of the leaf-beetle genus Monolepta Chevrolat, 1836 (Coleoptera, Chrysomelidae, Galerucinae) are described from China: M.albipunctata sp. nov., M.alticola sp. nov., M.bivittata sp. nov., M.mengsongensis sp. nov., and M.rubripennis sp. nov. A key and catalogue to the 68 Chinese species of Monolepta with the second and third antennomeres of equal length are given as well as photographs of the habitus and aedeagus of the new species and type habitus images of 37 known species.

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Systematics of the seed beetle genus Decellebruchus Borowiec, 1987 (Coleoptera, Bruchidae).

Project description:Keys to species, descriptions, synonymy, host plants, and geographical distributions are presented for the three species in the genus Decellebruchus (Borowiec 1987); of those, Decellebruchus walker (Pic 1912) was the only species included at the time of the genus denomination, Decellebruchus atrolineatus (Pic 1921) is transferred to this genus, and Decellebruchus lunae is described as a new species. The shortest and most parsimonious phylogenetic tree for genera with pectinate antennae had a length of 33, consistency index 87, and retention index 81.

| S-EPMC4829969 | biostudies-literature

Amazonopsis, an unusual new genus of riffle beetle from South America with two new species (Coleoptera, Elmidae, Elminae).

Project description:Amazonopsis gen. n. is described to include A.theranyi sp. n. from Peru, Venezuela and French Guiana, and A.camachoi sp. n. from Venezuela. The descriptions are accompanied by figures illustrating the male and female habitus of A.theranyi, the male habitus of A.camachoi, and male genitalia of both species. Amazonopsistheranyi exhibits pronounced secondary sexual dimorphism which likewise may be a characteristic of the genus. Amazonopsis males have modified protarsal and mesotarsal claws, a pair of small spines on the anterior prosternum, and a pair of ventrally directed processes on the posterior metaventrite. Females of A.theranyi display a pair of unique, oval perforations in the cuticle of the pronotum and have unmodified claws; females of A.camachoi are unknown. Descriptions are furnished of the stream habitats and microhabitats where the study specimens were collected.

| S-EPMC6292980 | biostudies-literature

Novadessus viracocha, a new genus and species of Bidessini Sharp from Peru (Coleoptera, Adephaga, Dytiscidae, Hydroporinae).

Project description:Novadessus viracochagen. n. and sp. n. is described from Peru. The genus distinctly is characterized by having the following combination: (1) a transverse occipital line absent on the head; (2) the anterior clypeal margin not modified; (3) a pair of basal pronotal striae present; (4) the basal elytral stria absent; (5) the elytral sutural stria absent; (6) the elytron without longitudinal carinae; (7) the epipleuron without a transverse carina at the humeral angle; (8) the lateral lobes of the male aedeagus two-segmented; (9) the overall habitus elongate and oval, with lateral pronotal and elytral margins discontinuous; (10) without distinct denticles along the posterior margins of the abdominal sternites; (11) the male genitalia (both median lobe and lateral lobes) bilaterally symmetrical; and (12) the metatrochanter small relative to the metafemur, approximately 0.6 × the length of the metafemur. The genus is diagnostically similar to Fontidessus Miller and Spangler and Neobidessodes Hendrich and Balke, but is superficially more similar to Liodessus Guignot. The habitus and male genitalia are illustrated, and a distribution map is provided.

| S-EPMC5096400 | biostudies-literature

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