Three new species of the subgenus Leipopleura Seidlitz from Tibet, China (Coleoptera, Tenebrionidae, Bioramix Bates).
ABSTRACT: Three new species of darkling beetles (Tenebrionidae) belonging to the subgenus Leipopleura of the genus Bioramix Bates, 1879, Bioramix (Leipopleura) baqenensis Li & Egorov, sp. n., Bioramix (Leipopleura) nyainrongensis Li & Egorov, sp. n., and Bioramix (Leipopleura) banbarensis Li & Egorov, sp. n. are described from the Tibet Autonomous Region in China. Additionally, a new identification key is provided to all known Chinese representatives of the subgenus Leipopleura.
Project description:Three new species of genus Chlaenius Bonelli subgenus Lithochlaenius Kryzhanovskij are described from China: Chlaenius chuanqianensis Liu & Liang, sp. n. (type locality: Xishui, Guizhou Province), Chlaenius linwensini Liu & Liang, sp. n. (type locality: Fujian Province), and Chlaenius propeagilis Liu & Kavanaugh, sp. n. (type locality: Gaoligongshan, Yunnan Province). Seven species of the subgenus are redescribed: Chlaenius agiloides Jedli?ka, Chlaenius formosensis Lorenz, Chlaenius agilis Chaudoir, Chlaenius leishanensis Kirschenhofer, Chlaenius noguchii Bates, Chlaenius rambouseki Lutshnik, and Chlaenius wrasei Kirschenhofer. Additional taxonomic changes include the following: Chlaenius formosanus Jedli?ka is treated as a junior synonym of Chlaenius rambouseki Lutshnik and Chlaenius anchomenoides Bates, syn. n. and Chlaenius nuristanus Jedli?ka as junior synonyms of Chlaenius agilis Chaudoir, syn. n.Chlaenius latroLaFerté-Sénectère is considered a nomen nudum stat. n. and unavailable, leaving Chlaenius agilisChaudoir as the next available name. Chlaenius nuristanusaberration rubridipesJedli?ka is also an unavailable name. Chlaenius formosensisLorenz (=Chlaenius formosanusHabu) is returned to species status stat. n. A key to adults of the 10 known species of subgenus Lithochlaenius is provided.
Project description:Two new species of the Macropsinae leafhopper subgenus Pediopsoides (Pediopsoides) Matsumura, 1912, Pediopsoides (Pediopsoides) damingshanensis Li, Dai & Li, sp. n. and Pediopsoides (Pediopsoides) tishetshkini Li, Dai & Li sp. n., are described and illustrated from Guangxi Province of southern China. A key to males is provided to distinguish the species of the subgenus along with a map showing the distribution of the new species.
Project description:The leafhopper subgenus Pediopsoides (Sispocnis) Anufriev, 1967 is reviewed and the type species is fixed as Bythoscopuskogotensis Matsumura, 1912. Six valid species of the subgenus are recognized including two new species described and illustrated here, Pediopsoides (Sispocnis) rectus Li, Li & Dai, sp. nov. and P. (S.) triangulus Li, Li & Dai, sp. nov. from Sichuan Province of Southwestern China. Additionally P. (S.) heterodigitatus Dai & Zhang, 2009 is proposed as a junior synonym of P. (S.) aomians (Kuoh, 1981) based on examination of many specimens. A key to species of the subgenus is also provided for identification.
Project description:Ulomimus indicus Bates, 1873 of the tribe Ulomini is recorded for the first time from China (Guangxi and Hainan), Indonesia (Sumatra) and Thailand (Chiang Dao). A redescription of the male and the first description of the female are also provided.
Project description:Sadonebria Ledoux & Roux, 2005 is one of the more diverse subgenera of the genus Nebria Latreille, 1802 in East Asia, and its taxonomy remains unrevised at the subgeneric and specific levels. In this paper, two new species of this subgenus are described from Japan. Nebria quinquelobata sp. n. is described from Mt. Myôkô and is externally similar to Nebria saeviens Bates, 1883, to which specimens of this new species previously had been assigned. Nebria yatsugatakensis sp. n. is described from the Yatsugatake Mountains and is externally similar to locally adjacent species that had been recognized as Nebria sadona Bates, 1883 and were recently revealed as separate species. Both new species are distinguished by morphological (the shape of the endophallus) and morphometric (geometric morphometrics of the pronotum and aedeagus) features. For Nebria yatsugatakensis, the morphology of all larval instars is described based on specimens reared from eggs laid by collected adults. These results, together with previous studies of the species-level taxonomy of Sadonebria and larval morphology of other Nebria subgenera, suggest (i) the utility of geometric morphometrics in species-level taxonomy; (ii) the importance of larval secondary setae in the subgeneric taxonomy of the genus Nebria; and (iii) the presence of further cryptic species in Sadonebria.
Project description:THIS STUDY DESCRIBES AND ILLUSTRATES THE LARVAE AND PUPAE OF TWO NORTH AMERICAN DARKLING BEETLES (COLEOPTERA: Tenebrionidae) in the subfamily Stenochiinae, Glyptotus cribratus LeConte from the southeastern United States, and Cibdelis blaschkei Mannerheim from California. Both species inhabit forested regions where adults and larvae occur in soft rotten dry wood of dead branches on living trees or in sections recently fallen from them. Species identity was confirmed by rearing of adults and pupae and the discovery of both in pupal cells with associated exuvia. Specimen label data and notes on habitats are provided. Antipredator defense structures and behaviour are noted for larvae and pupae of both species.
Project description:Darkling beetle larvae (Coleoptera, Tenebrionidae) are collectively referred to as false wireworms. Larvae from several species in the genus Eleodes are considered to be agricultural pests, though relatively little work has been done to associate larvae with adults of the same species and only a handful of species have been characterized in their larval state. Morphological characters from late instar larvae were examined and coded to produce a matrix in the server-based content management system mx. The resulting morphology matrix was used to produce larval species descriptions, reconstruct a phylogeny, and build a key to the species included in the matrix. Larvae are described for the first time for the following 12 species: Eleodes anthracinus Blaisdell, Eleodes carbonarius (Say), Eleodes caudiferus LeConte, Eleodes extricatus (Say), Eleodes goryi Solier, Eleodes hispilabris (Say), Eleodes nigropilosus LeConte, Eleodes pilosus Horn, Eleodes subnitens LeConte, Eleodes tenuipes Casey, Eleodes tribulus Thomas, and Eleodes wheeleri Aalbu, Smith & Triplehorn. The larval stage of Eleodes armatus LeConte is redescribed with additional characters to differentiate it from the newly described congeneric larvae.
Project description:Nebria (Falcinebria) reflexa Bates (Carabidae), a Japanese endemic flightless ground beetle, is geographically polytypic and was thought to be composed of four subspecies (including nominotypical subspecies). Populations from Honshû recognized as three subspecies were taxonomically revised based primarily on the shape of the endophallus, a membranous inner sac everted from the aedeagus. Three known taxa, Nebria reflexa, Nebria niohozana Bates, and Nebria uenoi Nakane, are redefined based on endophallus morphology, and the latter two are described as distinct species rather than subspecies of N. reflexa. Seven new species are described: N. sagittata sp. nov., N. iidesana sp. nov., N. furcata sp. nov., N. pisciformis sp. nov., N. kuragadakensis sp. nov., N. dichotoma sp. nov., and N. chugokuensis sp. nov. Comparative morphology, primarily of the endophallus, indicated that N. furcata, N. pisciformis, N. kuragadakensis, and N. uenoi form basal lineages, and the remaining six species form a clade in which N. niohozana and N. dichotoma are sister taxa. Species phylogeny and known distributions suggest that the initial diversification of these species occurred in the western Chûbu and eastern Kinki regions of Japan.
Project description:Trephionus Bates, 1883, a Japanese endemic genus in the subtribe Synuchina (Coleoptera, Carabidae, Sphodrini), is revised taxonomically based mainly on the shape of the endophallus, a membranous inner sac everted from the aedeagus of the male genitalia. Three known species from central Honshu, T. kinoshitai Habu, 1954; T. shibataianus Habu, 1978; and T. babai Habu, 1978, are re-defined based on this genital character, and five new species are described from the region: T. cylindriphallus Sasakawa, sp. n., T. niumontanus Sasakawa, sp. n., T. inexpectatus Sasakawa & Itô, sp. n., T. abiba Sasakawa & Itô, sp. n., and T. bifidilobatus Sasakawa & Itô, sp. n. The observed interspecies differences in endophallus morphology are discussed in terms of the species-level phylogeny and genus-level taxonomy of Trephionus.
Project description:Fossil records indicate that the genus Pinus L. split into two subgenera by the Late Cretaceous, although subgenus Strobus (D. Don) Lemmon is less well documented than subgenus Pinus L., especially in eastern Asia. In this paper, Pinus maomingensis sp. nov. is established based on a compressed seed cone from the upper Eocene of the Maoming Basin of southern China. This species is attributed to genus Pinus, subgenus Strobus, section Quinquefoliae Duhamel, subsection Strobus Loudon based on the combination of morphological characters obtained from the cone scales, specifically from the terminal umbo, rhombic apophysis, and cuticle structure. Associated fascicles of needle leaves with deciduous sheaths and bulbous bases are recognized as Pinus sp. and also represent Pinus subgenus Strobus. This new discovery from the Maoming Basin constitutes the first megafossil record of subgenus Strobus from southern China and implies that the members of this subgenus arrived in the southern region of China by the late Eocene. The extant species of subgenus Strobus are mainly distributed in northern temperate and tropical to subtropical mountainous regions. We propose that the Maoming Basin was adjacent to a mountainous region during the late Eocene.