• David Bonde posted an update 6 months ago

    Two new species of the genus Scaphidium Olivier from Xizang (Tibet Autonomous Region), China are described 1) S. rhopaliparamerosum sp. nov. , distinguished by four dark red big fasciae on apical 1/3 and basal 1/3 parts of elytra; and 2) S. russipenne sp. nov. , distinguished by the unified brownish red colour on elytra. For both new species, we provide descriptions and colour plates of normal light photos for the diagnostic characters habitus in both dorsal and ventral views, an antenna, a prefemur, and the detailed structures of the aedeagus (if male available). Additionally, a new spot pattern of S. formosanum Pic is reported from Yunnan.A new skink of the genus Scincella Mittleman, 1950, from Binh Phuoc Province, southern Vietnam is described based on morphological data, including hemipenial characters, and nucleotide sequences from COI. The following morphological characters diagnose Scincella baraensis sp. nov. relatively small size in adults (snout-vent length up to 49.2 mm); when limbs adpressed, toes do not or just reach fingers; 30 smooth midbody scale rows and dorsal scales not enlarged; 66-70 paravertebral scales; 64-66 ventral scale rows; 7 supralabials, the fifth and sixth below the center of the eye; enlarged temporal scales 1+2; nuchals present; ear with small auricular lobules; 18-20 smooth lamellae beneath toe IV; hemipenis smooth, short, and unforked; dorsum with faint black dots. The new species differs from its congeners by an uncorrected p-distance in COI sequences of at least 16.2%.All four species of the soft scale insect genus Pulvinaria Targioni Tozzetti (Hemiptera Coccomorpha Coccidae) known from the Ryukyu Islands, Japan, are reviewed. For each species, the detailed morphology of the adult female is redescribed from specimens recently collected in the Ryukyu Islands and is compared with previous descriptions. A key to the species of Pulvinaria in the Ryukyu Islands is provided. A table of diagnostic morphological character states of the reviewed species and the type species of the genus, P. vitis (Linnaeus, 1758), is provided for use in future taxonomic revision of the genus; this comparison indicates that all four species of Pulvinaria in this region and the type species of the genus, P. vitis can be distinguished clearly from each other by several diagnostic morphological character states.Biting midges, nematoceran flies family Ceratopogonidae, is represented by more than 6200 valid species. This group is still poorly known and not easy in identification. Structural coloration of insect wings (WIP, or Wing Interference Pattern) is an example of an optical phenomenon called iridescence, which is based on the formation of pigment-free, rainbow colours caused by the interference of white light reflected from transparent or semi-transparent structures. Preliminary results indicate that the structural colouring of the wings of these insects may be helpful in the delimitation of closely related and cryptic species.Neotropical toads from the Rhinella margaritifera species group have been considered a taxonomic puzzle for a long time. Because of the high morphological similarity and an unknown number of undescribed taxa among the species of this group, we did an extensive search for character distribution within all nominal taxa. Herein we describe Rhinella parecis sp. nov. a new species from Southern Brazilian Amazon. We provide a morphological diagnosis, morphometric comparisons with similar species, and a molecular phylogenetic hypothesis on the relationships of the new species. Rhinella parecis sp. selleck chemical nov. is assigned to the R. margaritifera group and differs from others species by snout-vent length ranging 40.7-53.5 mm in males (n=12) and 44.9-54.8 mm in females (n=4), snout rounded in dorsal view, acute with fleshy ridge extending to tip of snout in lateral view, canthal and pre-orbital crests absent, supra-orbital, parietal and supra-tympanic crests present and low, dorsolateral row of tubercles present, bony protrusion at the angle of jaws absent, tympanum evident, vertebral apophyses absent and toes half-webbed. The new species is the 20th species associated to the R. margaritifera group distributed in the Chapada dos Parecis, a probable center of endemism in states of Rondônia and Mato Grosso, Brazil.The leafhopper genus Thaia Ghauri, 1962 and two related genera, Parathaia Kuoh, 1982 and Pseudothaia Kuoh, 1982, are revised. Nlunga Dworakowska, 1974, previously treated as a subgenus of Thaia, is elevated to the genus level, and Parathaia Kuoh, 1982, previously treated as a synonym of Thaia, is reinstated to valid status. The Oriental species lacking foveae on the pronotum are excluded from Nlunga and transferred to a new genus, Etmaria gen. n. Two species, Pseudothaia caudata Song Li, 2013 and Thaia (Nlunga) leishanensis (Song Li, 2007), are treated as Incertae sedis within Erythroneurini. Moreover, nine additional new species are described and illustrated Nlunga parareeneni, Etmaria brevis, E. chaiyaphumica, E. dentata, E. indonesica, E. magna, E. triquetra, E. ulterior and Pseudothaia forcipis spp. nov.The brachyuran fauna of the large southern Philippine island of Mindanao is poorly known, with only a few freshwater and estuarine crab species described or recorded in the last 30 years. Renewed interest in crab biodiversity has led to recent, small-scale surveys (2016-2019) of freshwater and estuarine habitats in various localities in Mindanao, which have yielded a good diversity of brachyuran crabs. As a result, a total of 26 species of brachyuran crab, representing 6 families (Hymenosomatidae, Oziidae, Gecarcinidae, Sesarmidae, Varunidae, and Ocypodidae), are reported here. Of these, 15 species are new records for the main island of Mindanao, 6 of which are also new records for the Philippines. Remarks on the taxonomy, distribution, and natural history of these species are also provided.A new typhlocybine leafhopper genus, Uniformus gen. nov. is described and illustrated based on males of two species Uniformus rostellatus sp. nov., Uniformus inclusus sp. nov. from CHINA Yunnan Province. The genus is placed in the tribe Dikraneurini. It is unique among known Dikraneurini in having a large preatrium, long paramere, and aedeagus shaft with microtrichia. A key to species of Uniformus is provided.

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