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Zootaxa
Magnolia Press
Zootaxa

Magnolia Press

1175-5326

Zootaxa/Journal ZootaxaSCIISTPAHCI
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    Neotype designation for Sphingius thecatus Thorell, 1890, synonymies, new records and descriptions of six new species from Southeast Asia (Araneae, Liocranidae)

    PAKAWIN DANKITTIPAKULMARIA TAVANOTIPPAWAN SINGTRIPOP
    20页
    查看更多>>摘要:A neotype is designated for Sphingius thecatus Thorell, 1890, the type species of the genus from type locality of Penang Island, Malaysia; its conspecific female is described for the first time. Detailed morphological descriptions and illustrations for both sexes are provided. Six new species are described from Southeast Asia: S. rama sp. nov. and S. prolixus sp. nov. from eastern Thailand; S. elongatus sp. nov. from southern Thailand; S. superbus sp. nov. and S. bifurcatus sp. nov. from Thailand andMalaysia; S. spinosus sp. nov. from Thailand, Malaysia and Indonesia. Sphingius pingtung Tso et al, 2005 known from Taiwan, China is considered a junior synonym of S. scrobiculatus Thorell, 1897. Sphingius sinensis (Schenkel, 1963), originally placed inScotophaeoides (Gnaphosidae), is regarded as a junior synonym of S. gracilis (Thorell, 1895). Additional specimens of S. gothicus Deeleman-Reinhold, 2001 were collected from northeastern and central Thailand, expanding species distribution range towardsthe south. Specimens of S. punctatus Deeleman-Reinhold, 2001 were collected from Thailand and Indonesia. Sphingius vivax (Thorell, 1897) and S. scrobiculatus Thorell, 1897 are recorded from Thailand for the first time.

    On four new canopy spiders of Dictynidae (Araneae) from Xishuangbanna Rainforest, China

    ZHI-SHENG ZHANGSHUQIANG LI
    16页
    查看更多>>摘要:Four new Dictynidae species from the rainforest canopy of Xishuangbanna, Yunnan Province, China, are described in the present paper. Two belong to the genus Sudesna Lehtinen, 1967: S. circularis sp. nov. (male, female) and S. digitata sp. nov. (female). And the others are assigned to a new genus, BannaeWa gen. nov., which are B. sinuata sp. nov. (female) and B. tibialis sp. nov. (male, female). The new genus is similar to Brommella and Scotolathys in having similar appearances, but can be easily distinguished by the broad dorsal tibial apophysis of the male palp and the simple epigynal ducts of the female. Morphological descriptions, illustrations and photos of all species are given. Additionally, photos of two Chinese species, Brommella punctosparsa (Oi, 1957) from Hunan and Sudesna hedini (Schenkel, 1936) from Guizhou, are also presented, in order to compare with the new genus and the new species of Sudesna.

    Calls of five species of the Scinax ruber (Anura: Hylidae) clade from Brazil with comments on their taxonomy

    LEANDRO MAGRINISERGIO R DE CARVALHO-E-SILVAARLINDO F. BEDAARIOVALDO A. GIARETTA...
    15页
    查看更多>>摘要:As currently defined, tree frogs of the genus Scinax comprises the most species-rich genus within Hylinae. Although in the last decades there have been an increasing number of taxonomic studies on Scinax, populations of several species still deserve further studies to assess their taxonomic status. The purpose of this paper is to contribute to the taxonomy and zoogeography of some species of Scinax from Brazil assigned to the Scinax ruber clade through the description/redescrip-tion of their advertisement calls. The advertisement call of S. duartei from topotypic specimens and the call of S. acumi-natus are described here for the first time. The call of S. duartei is in disagreement with descriptions from the literature what suggests that an unnamedspecies is hidden under this specific name. Redescriptions of the calls of S. crospedospilus, S. eurydice, and S. hayii are also provided and compared with previous studies. In order to better assess the taxonomic status of species with advertisement calls that present more than one emphasized frequency, as in some species of the Scinax ruber clade, we recommend special attention in the descriptions of the spectral components of these calls.

    Onigocia sibogae, a replacement name for a distinct species of flathead fish, Platycephalus grandisquamis Weber, 1913 (Teleostei: Platycephalidae)

    HISASHI IMAMURA
    9页
    查看更多>>摘要:A replacement name, Onigocia sibogae, is given for a platycephalic! fish, Platycephalus grandisquamis Weber, 1913, being preoccupied by Platycephalus grandisquamis Regan, 1908. Although this species has been considered to be conspe-cific with Onigociaoligplepis (Regan, 1908), it was revealed that its five extant syntypes include three species and one of them is a distinct species from congeners of the genus, including O. oliglepis. To avoid taxonomic confusion, the lectotype (ZMA 112434, 51.2 mm SL)of O. sibogae is designated here. Onigocia sibogae differs from seven congeners in having usually I+VII-11 dorsal and 11 anal fin rays, eight caudal fin rays, 30-31 lateral line scales, anterior two or three scales with spine, three scales between second dorsal fin and lateral line, no ocular and interopercular flaps, upper iris lappet usually finely crenate, two or three antrorse lachrymal spines, usually no spines on the inner ridge of the lachrymal, 2-5 preocular spines, no notch on the suborbital ridge below the eye, suborbital ridge serrated by 16-26 small spines, and 2-4 distinct blackish spots on middle and posterior portions of the pelvic fin rays.

    Akysis bilustris, a new species of catfish from southern Laos (Siluriformes: Akysidae)

    HEOK HEE NG
    8页
    查看更多>>摘要:Akysis bilustris, new species, is described from the Xe Kong drainage (a subdrainage of the Mekong River) in southern Laos. It is distinguished from congeners in having a unique combination of the following characters: eye diameter 14.0-17.5% HL, serrae on posterior margin of pectoral spine 2-3 and longer than half width of spine, pectoral fin reaching to or overlapping pelvic-fin base (length 24.5-29.3% SL), adipose-fin base length 14.3-18.3% SL, body depth at anus 11.4-13.8% SL, caudal-peduncle length 19.6-23.4% SL, caudal-peduncle depth 6.7-9.2% SL, caudal fin emarginate, and vertebrae 30-31.