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

ABSTRACT: 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.

SUBMITTER: Napoles JR

PROVIDER: S-EPMC4829969 | biostudies-literature |

REPOSITORIES: biostudies-literature

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

Project description: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.

| S-EPMC7250936 | biostudies-literature

Patterns of Seed Penetration by the Date Stone Beetle Coccotrypes dactyliperda (Coleoptera, Curculionidae, Scolytinae).

Project description:The cryptic spermatophagus date stone beetle (Coccotrypes dactyliperda Fabricius, 1801) tunnels into palm seeds for oviposition and subsequent establishment of brood galleries. Based on behavioral observations this paper describes the biomechanical and gustatory parameters that govern the initial excavation of the tunnels and the subsequent establishment of the galleries. When tunneling into Canary Islands Date Palm (Phoenix canariensis Chabaud, 1882) seeds, penetration principally occurs at the dorsal side of the seed, in particular the groove, which allows the beetle to gain the required traction. Tunneling is executed in a circular fashion with clockwise or counter-clockwise repositioning in approximately one-eighth to one-quarter turns. Biomechanically, the three pairs of legs provide thrust (hind legs), pivoting (mid legs), and lateral control (fore legs). Gustatory cues, the nature of which remains unclear at this point, prevent the beetle from tunneling through to the other side.

| S-EPMC8781270 | 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

Discovery of the water scavenger beetle genus Brownephilus Mouchamps in Turkey (Coleoptera, Hydrophilidae, Hydrophilini.

Project description:The recently described Hydrochara major ?ncekara, Mart, Polat, & Karaca, 2009 from Turkey is transferred to the genus Brownephilus Mouchamps. New records and habitat information are given for the species, as well as diagnostic features for separating it from the only other described member of the genus, Brownephilus levantinus Balfour-Browne. The discovery of Brownephilus in Turkey marks the first time the lineage has been found since its original description more than seventy years ago.

| S-EPMC3088036 | biostudies-literature

Revision of the Neotropical water scavenger beetle genus Quadriops Hansen, 1999 (Coleoptera, Hydrophilidae, Acidocerinae).

Project description:The genus Quadriops Hansen, 1999 is revised and redescribed. The genus is found to contain six species, including two that are here described as new: Quadriops clusiasp. n. (Brazil, Guyana, Suriname) and Q. acroreiussp. n. (Suriname, French Guiana). Two species are found to be junior subjective synonyms of Q. depressus Hansen, 1999: Q. amazonensis García, 2000, syn. n. and Q. politus Hansen, 1999, syn. n. The male of Q. similaris Hansen, 1999 is described for the first time. New records are provided for Q. dentatus Hansen, 1999, Q. reticulatus Hansen, 1999, and Q. similaris. All species are described and illustrated in detail. Most species are confirmed as having a terrestrial way of life, with several species being found in rotten fruits, sap flows, and dead wood. Furthermore, we discuss ecological trends of the species given their collecting information.

| S-EPMC5674056 | biostudies-literature

Revision of the Neotropical water scavenger beetle genus Tobochares Short & Garcia, 2007 (Coleoptera, Hydrophilidae, Acidocerinae).

Project description:The genus Tobochares Short & García, 2007 is revised. A combination of morphological and molecular data provide support for ten distinct species. Five new species are described: T. canaliculatussp. n. (Venezuela), T. canthussp. n. (Venezuela), T. emarginatussp. n. (Suriname), T. kusadsp. n. (Guyana), and T. pallidussp. n. (Venezuela). All four preexisting species are redescribed. A tenth species, known from a single female from Venezuela, is left undescribed pending the collection of additional specimens. New collecting records are provided for T. sulcatus Short & García, 2007 and T. kasikasima Short, 2013. Tobochares sipaliwini Short & Kadosoe, 2011 is newly recorded from Guyana. All species are associated with seepage or wet rock habitats, although some species have also been found along the margins of streams that flow over rocky substrates. High-resolution images including scanning electron micrographs are provided, as well as a key to species and habitat photographs.

| S-EPMC5523376 | 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

Definition of the jianfengling species group of the ground beetle genus Orthogonius MacLeay (Coleoptera, Carabidae, Orthogoniini).

Project description:The jianfengling species group of the termitophilous carabid genus Orthogonius MacLeay, 1825 is defined and reviewed. This species group ranges from southern China, crossing Indochina and Myanmar to eastern India. To date, the jianfengling species group is composed of ten species, including six new species which are hereinafter described and illustrated: Orthogonius wrasei sp. n. (Myanmar), Orthogonius bellus sp. n. and Orthogonius limbourgi sp. n. (Vietnam), Orthogonius politior sp. n., Orthogonius aberlenci sp. n. (Laos) and Orthogonius meghalayaensis sp. n. (India). Habitus, elytral apices and male genitalia of all species are illustrated. A key to species and a distribution map of jianfengling species group are provided.

| S-EPMC5027780 | biostudies-literature

Revision of the Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera, Dytiscidae, Hydroporinae, Bidessini).

Project description:The Neotropical diving beetle genus Hydrodessus J. Balfour-Browne, 1953 (Coleoptera: Dytiscidae: Hydroporinae: Bidessini) is revised. Thirty species are recognized. The following new species are described: Hydrodessus bimaculatus sp. n. (Venezuela), Hydrodessus brevis sp. n. (Venezuela), Hydrodessus concolorans sp. n. (Venezuela), Hydrodessus continuus sp. n. (Venezuela), Hydrodessus disjunctus sp. n. (Suriname), Hydrodessus fasciatus sp. n. (Brazil), Hydrodessus imparilis sp. n. (Ecuador), Hydrodessus keithi sp. n. (Brazil, Colombia, Ecuador), Hydrodessus kurti sp. n. (Suriname), Hydrodessus kylei sp. n. (Suriname, Venezuela), Hydrodessus laetus sp. n. (Venezuela), Hydrodessus latotibialis sp. n. (Peru), Hydrodessus maculatus sp. n. (Guyana, Venezuela), Hydrodessus morsus sp. n. (Venezuela), Hydrodessus palus sp. n. (Venezuela), and Hydrodessus tenuatus sp. n. (Suriname). The following new synonyms are established: Hydrodessus fragrans Spangler, 1985 = Hydrodessus biguttatus (Guignot, 1957) syn. n. and Hydrodessus robinae Spangler, 1985 = Hydrodessus octospilus (Guignot, 1957), syn. n. One species is transferred from Hydrodessus to Amarodytes Régimbart, Amarodytes soekhnandanae (Makhan, 1994), comb. n. Habitus photographs (dorsal and lateral) and photos of the ventral surfaces are provided for most species. Line drawings of male and female genitalia and other diagnostic features are also provided along with distribution maps.

| S-EPMC4829950 | biostudies-literature

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

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