78 research outputs found

    Three Dimensional Superconductivity in FeSe with Tczero Up to 10.9 K Induced by Internal Strain

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    Polycrystalline sample FeSe was synthesized by a self-flux solution method which shows a zero resistance temperature up to 10.9 K and a Tconset (90% \rhon, \rhon: normal state resistivity) up to 13.3 K. The decrease of superconducting transition temperature by heat treatment indicates that internal crystallographic strain which plays the same effect as external pressure is the origin of its high Tc. The fluctuation conductivity was studied which could be well described by 3D Aslamazov-Larkin (AL) power law. The estimated value of coherence length \xic=9.2 \AA is larger than the distance between conducting layers (~6.0 \AA), indicating the three-dimensional nature of superconductivity in this compound.Comment: 5 figure

    Sweat permeable and ultrahigh strength 3D PVDF piezoelectric nanoyarn fabric strain sensor

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    Commercial wearable piezoelectric sensors possess excellent anti-interference stability due to their electronic packaging. However, this packaging renders them barely breathable and compromises human comfort. To address this issue, we develop a PVDF piezoelectric nanoyarns with an ultrahigh strength of 313.3 MPa, weaving them with different yarns to form three-dimensional piezoelectric fabric (3DPF) sensor using the advanced 3D textile technology. The tensile strength (46.0 MPa) of 3DPF exhibits the highest among the reported flexible piezoelectric sensors. The 3DPF features anti-gravity unidirectional liquid transport that allows sweat to move from the inner layer near to the skin to the outer layer in 4 s, resulting in a comfortable and dry environment for the user. It should be noted that sweating does not weaken the piezoelectric properties of 3DPF, but rather enhances. Additionally, the durability and comfortability of 3DPF are similar to those of the commercial cotton T-shirts. This work provides a strategy for developing comfortable flexible wearable electronic devices

    KP177R-based visual assay integrating RPA and CRISPR/Cas12a for the detection of African swine fever virus

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    IntroductionEarly detection of the virus in the environment or in infected pigs is a critical step to stop African swine fever virus (ASFV) transmission. The p22 protein encoded by ASFV KP177R gene has been shown to have no effect on viral replication and virulence and can serve as a molecular marker for distinguishing field virus strains from future candidate KP177R deletion vaccine strains.MethodsThis study established an ASFV detection assay specific for the highly conserved ASFV KP177R gene based on recombinase polymerase amplification (RPA) and the CRISPR/Cas12 reaction system. The KP177R gene served as the initial template for the RPA reaction to generate amplicons, which were recognized by guide RNA to activate the trans-cleavage activity of Cas12a protein, thereby leading to non-specific cleavage of single-stranded DNA as well as corresponding color reaction. The viral detection in this assay could be determined by visualizing the results of fluorescence or lateral flow dipstick (LFD) biotin blotting for color development, and was respectively referred to as fluorescein-labeled RPA-CRISPR/Cas12a and biotin-labeled LFD RPA-CRISPR/Cas12a. The clinical samples were simultaneously subjected to the aforementioned assay, while real-time quantitative PCR (RT-qPCR) was employed as a control for determining the diagnostic concordance rate between both assays.ResultsThe results showed that fluorescein- and biotin-labeled LFD KP177R RPA-CRISPR/Cas12a assays specifically detected ASFV, did not cross-react with other swine pathogens including PCV2, PEDV, PDCoV, and PRV. The detection assay established in this study had a limit of detection (LOD) of 6.8 copies/μL, and both assays were completed in 30 min. The KP177R RPA-CRISPR/Cas12a assay demonstrated a diagnostic coincidence rate of 100% and a kappa value of 1.000 (p < 0.001), with six out of ten clinical samples testing positive for ASFV using both KP177R RPA-CRISPR/Cas12a and RT-qPCR, while four samples tested negative in both assays.DiscussionThe rapid, sensitive and visual detection assay for ASFV developed in this study is suitable for field application in swine farms, particularly for future differentiation of field virus strains from candidate KP177R gene-deleted ASFV vaccines, which may be a valuable screening tool for ASF eradication

    Stenothemus dundai Svihla 2004

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    Stenothemus dundai Švihla, 2004 Figs 1E, 3D, 4D Stenothemus dundai Švihla, 2004: 199, figs 153‒154, 212. Material examined Holotype CHINA • ♂; [p] “CHINA-SICHUAN pr. // KANGDING distr. 16‒19.7. // MUGEZO lake 4500 m // R. DUNDA lgt. 1992”, “HOLOTYPUS // Stenothemus // dundai sp. n. // V. Švihla det. 2003”; NMPC. Additional material CHINA ‒ Gansu • 1 ♂, 2 ♀♀; Wenxian, Qiujiaba, Shiyaziliang; 3200‒3400 m a.s.l.; 30 Jun. 1998; J. Yao leg.; IZAS • 1 ♂; same collection data as for preceding; J. Chen leg.; IZAS. ‒ Qinghai • 1 ♂; Yushu, Gelong; 3700 m a.s.l.; 10 Jul. 1964; S.Y. Wang leg.; IZAS • 2 ♂♂; Yushu, Gelong; 4200 m a.s.l.; 13 Jul. 1964; S.Y. Wang leg.; IZAS. ‒ Shaanxi • 2 ♀♀; Liuba, Dahongqu; 2500 m a.s.l.; 20 Jul. 1998; J. Chen leg.; IZAS. ‒ Sichuan • 1 ♀; N Jiulong; 3735 m a.s.l.; 8‒14 Jul. 2001; X.D. Yu and H.Z. Zhou leg.; IZAS • 2 ♂♂, 1 ♀; N Jiulong, Lengshan Forest; 3825 m a.s.l.; 11‒14 Jul. 2001; X.D. Yu and H.Z. Zhou leg.; IZAS • 1 ♂; same collection data as for preceding; IZAS • 7 ♂♂; Luhuo; 11‒20 Aug. 2006; F.M. Shi leg.; MHBU • 1 ♂, 1 ♀; Jiangyuan, Shuajingsi; 27‒28 Jul. 2009; Z.H. Gao and Y.P. Niu leg.; MHBU • 1 ♂; Maerkang-Daoping; 3230 m a.s.l.; 12 Jul. 1961; G.F. Li leg.; IZAS. ‒ Xizang • 1 ♂; Zhikang, Qoidȇn; 4100 m a.s.l.; 15‒16 Jul. 2008; G.D. Ren leg.; MHBU. ‒ Yunnan • 2 ♂♂; Xiaozhongdian; 3800 m a.s.l.; 1 Aug. 1984; S.Y. Wang leg.; IZAS. Descriptive notes Body length (both sexes): 5.5‒7.0 mm; width: 1.1‒1.5 mm. Female ABDOMINAL STERNITE VIII (Fig. 3D). Obliquely narrowed posteriorly, lateroapical angles widely triangular, posterior margin nearly straight and feebly emarginate in middle. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4D). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.36 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, where accessory gland opens. Accessory gland thin and slightly shorter than spermatheca. Distribution China (Gansu, Qinghai, Shaanxi, Sichuan, Yunnan, Xizang). New records for Qinghai, Shaanxi, Yunnan. Remarks The female reproductive system is illustrated and described for the first time.Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on page 11, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310

    Stenothemus tryznai Svihla 2004

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    Stenothemus tryznai Švihla, 2004 Figs 5C, 7B, 8D Stenothemus tryznai Švihla, 2004: 197, figs 149‒150, 213. Material examined Holotype CHINA • ♂; [p] “China: Sichuan 28.6‒ // Jiulonggou env. 2.7. // Z. Jindra lgt., 1995”, “HOLOTYPUS // Stenothemus // tryznai sp. n. // V. Švihla det. 2003”; NMPC. Additional material CHINA ‒ Sichuan • 1 ♂, 1 ♀; Emei Shan, Jiulaodong; 1800‒1900 m a.s.l.; 28 Jul. 1957; K.R. Huang leg.; IZAS • 2 ♂♂, 1 ♀; same collection data as for preceding; Y.C. Lu leg.; IZAS • 3 ♀♀; same collection data as for preceding; 27 Jul. 1957; K.R. Huang leg.; IZAS • 1 ♀; same collection data as for preceding; 22 Jul. 1957; K.R. Huang leg.; IZAS • 2 ♂♂, 1 ♀; same collection data as for preceding; 6 Jul. 1957; F.X. Zhu leg.; IZAS • 1 ♀; same collection data as for preceding; 2 Aug. 1957; Y.C. Lu leg.; IZAS • 1 ♀; Emei Shan, Qingyin’ge; 800‒1000 m a.s.l.; 13 Jun. 1957; Y.C. Lu leg.; IZAS • 1 ♂; Baoxing, Kyaʼgyu Shan; 2400 m a.s.l.; 30 Jul. 2016; L.M. Li leg.; MHBU. Descriptive notes Body length (both sexes): 8.0‒ 11.5 mm; width: 2.0‒ 2.7 mm. Female ABDOMINAL STERNITE VIII (Fig. 7B). Strongly narrowed posteriorly, lateroapical angles widely triangular, posterior margin shallowly and roundly emarginate in middle and feebly emarginate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8D). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.32 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a slightly long tube, at opening of accessory gland. Accessory gland thin and much longer than spermatheca. Distribution China (Sichuan). Remarks The female reproductive system of this species is illustrated and described for the first time.Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on pages 17-20, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310

    Stenothemus gracilis Y. Yang & X. Yang 2021, sp. nov.

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    Stenothemus gracilis Y. Yang & X. Yang sp. nov. urn:lsid:zoobank.org:act: FC569AB0-1536-4CFF-8A47-AB758A67F21D Figs 6G‒I, 7D, 9A, 12B Differential diagnosis This new species is most similar to S. limbatipennis (Pic, 1926), but can be distinguished by the following characters: antennomeres IV‒XI each with a small oval impression in middle of outer edge in male (with longitudinal impressions in S. limbatipennis); pronotum about 1.3 times as long as wide (while nearly as long as wide in S. limbatipennis); aedeagus: ventral process of each paramere moderately bent ventrally in lateral view, middle emargination between dorsal plates longer than half its length, laterophyses clearly exceeding middle emargination (while ventral process strongly bent ventrally, middle emargination between dorsal plates shorter, apex of laterophyses just reaching in S. limbatipennis, see Yang et al. 2021: figs 3g ‒i); abdominal sternite VIII: lateroapical angles triangular and protruding, posterior margin rectangularly emarginate in middle, membrane strongly sclerotized and triangularly bilobed at apex (lateroapical angles widely rounded, middle emargination rounded, membrane weakly sclerotized and tapered at apex in S. limbatipennis, see Yang et al. 2021: fig. 8c); female internal organ of reproductive system: diverticulum obviously longer than spermatheca (while shorter in S. limbatipennis, see Yang et al. 2021: fig. 6c). Etymology The specific name is derived from the Latin ‘ gracilis ’ (‘slender’), referring to its slender body. Material examined Holotype CHINA • ♂; Hubei, Shennongjia, Dongxi; 31º34′15′′ N, 110º08′47′′ E; 819 m a.s.l.; 7‒10 Jul. 2014; Y.B. Ba and S.Y. Tang leg.; MHBU HBU(E) 410022. Paratypes CHINA ‒ Gansu • 2 ♂♂; Wenxian, Liujiaping; 2100 m a.s.l.; 27 Jun. 1998; X.K. Yang leg.; IZAS IOZ(E) 225790, 225791. ‒ Guizhou • 1 ♂; Daozhen, Yangxi, Shadang; 31 May 2004; Y.Yu leg.; MHBU HBU(E) 410027. ‒ Hubei • 1 ♂; Shennongjia, Dongxi; 31º34′15′′ N, 110º08′47′′ E; 819 m a.s.l.; 7‒10 Jul. 2014; Y.B. Ba and S.Y. Tang leg.; MHBU HBU(E) 410023 • 1 ♂, 1 ♀; Shennongjia, Pingqian; 31º28′08.0′′ N, 110º02′23.4′′ E; 1576 m a.s.l.; 4‒7 Jul. 2014; Y.B. Ba and S.Y.Tang leg.; MHBU HBU(E) 410024, 410025 • 1 ♂; Shennongjia, Wenshui Forest Farm; 12 Jul. 2018; P. Wang leg.; MHBU HBU(E) 410026 • 1 ♂; Shennongjia, Songluo; 900 m a.s.l.; 14 Jun. 1981; Y.H. Han leg.; IZAS IOZ(E) 225781. ‒ Sichuan • 1 ♂; Wushan, Liziping; 1870 m a.s.l.; 2 Jul. 1993; W.Z. Li leg.; IZAS IOZ(E) 225782 • 2 ♂♂; same collection data as for preceding; 3 Jul. 1993; W.Z. Li leg.; IZAS IOZ(E) 225783, 225784 • 2 ♂♂, 1 ♀; same collection data as for preceding; R.Z. Huang leg.; IZAS IOZ(E) 225785 to 225787 • 2 ♂♂; same collection data as for preceding; 4 Jul. 1993; R.Z. Huang leg.; IZAS IOZ(E) 225788, 225789. Description Body length (both sexes): 5.0‒ 7.2 mm (5.8 mm in holotype); width: 0.5‒1.0 mm (0.7 mm in holotype). Male (Fig. 9A) COLORATION. Body brown, clypeus, mouthparts, posterior margins of abdominal ventrites lightly yellow. Body densely covered with short, semi-erected pale pubescence. HEAD. Subquadrate, surface densely and finely punctate, each side with a smooth and rectangular impression behind antennal socket; eyes strongly protruding, head width across eyes 1.6 times wider than pronotum; terminal maxillary palpomeres long-triangular, widest in middle; antennae filiform, extending to ¾ length of elytra, antennomeres II about twice times as long as wide at apices, III about 1.8 times longer than II, IV‒XI each with a small and smooth oval impression in middle of outer edge, VII longest, XI slightly longer than X, pointed at apex. PRONOTUM. Subquadrate, about 1.3 times as long as wide, anterior margin slightly arcuate, anterior angles obtuse, sub-rectangular, lateral margins nearly parallel and slightly sinuate, posterior margin slightly arcuate and narrowly bordered, posterior angles sub-rectangular, disc distinctly convex on posterolateral parts, surface finely and densely punctate. ELYTRA. Nearly parallel-sided, about 3.8 times as long as humeral width, 4.9 times longer than pronotum, surface finely and densely punctate, with hardly visible longitudinal costae present. AEDEAGUS (Fig. 6G‒I). Moderately swollen laterally in basal part, reduced apically in diameter; basal piece nearly as long as dorsal plate of each paramere, with a small, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres approaching each other, short and slightly thickened apically, bent ventrally in lateral view; dorsal plates slightly longer than ventral processes, strongly narrowed near base, approaching each other, apex acute and directed ventrally; apical parts of laterophyses depressed and separated from each other, apex rounded and bent dorsally, clearly exceeding middle emargination between dorsal plates. Female Similar to male, but body stouter than male, eyes small, less protruding, head width across eyes 1.2 times wider than pronotum, antennae shorter and roughly extending to elytral mid-length, IV‒XI without smooth oval impressions; pronotum wider, nearly as long as wide; elytra about 3.3 times as long as humeral width. ABDOMINAL STERNITE VIII (Fig. 7D). Strongly narrowed posteriorly, lateroapical angles triangular and protruding, posterior margin widely and rectangularly emarginate in middle and feebly sinuate on both sides, behind the notch with a membrane which is sclerotized and triangularly bilobed at apex, with a rectangular sclerite present at center and a small longitudinal sclerite on each side. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 12B). Vagina stout, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum extremely long, about 0.86 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much shorter than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder thick, obviously shorter than spermatheca. Variation within species Head sometimes with yellow markings behind eyes, pronotum more or less lightened on posterolateral parts, elytra sometimes yellow at humeri and bases of outer margins. Distribution China (Hubei, Sichuan, Gansu, Guizhou).Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on pages 21-24, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310

    Stenothemus diffusus Wittmer 1974

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    Stenothemus diffusus Wittmer, 1974 Figs 1D, 2G‒I, 3C, 4C Stenothemus diffusus Wittmer, 1974: 58, fig. 17. Material examined Paratype CHINA • 1 ♂; [h-p] “Yao Gi nr Mu- // pin 15 Jul // ‘29 7400‒8000 ft ”, [p] “Szechuen // CHINA // D.C. Graham ”, [h] “119”, [p] “PARATYPUS”, [h-p] “ Stenothemus // diffusus // Wittm. // det. W. Wittmer ”, [p] “Naturhistorisches // Museum Basel // Coll. W. Wittmer ”, “ CANTHARIDAE // CANTH00003518”; NHMB. Additional material CHINA ‒ Sichuan • 1 ♀; Wolong, Wolonggou; 2150 m a.s.l.; 21 Jul. 2004; X. Wan leg.; IZAS • 3 ♂♂, 7 ♀♀; Anzihe; 9 Aug. 2016; W.Y. Zhou leg.; MHBU • 1 ♂, 6 ♀♀; Anzihe, Shaoyaogou; 1450 m a.s.l.; 9‒11 Aug. 2016; W.Y. Zhou leg.; MHBU • 1 ♀; Liziping; 25 Jul. 2016; L.M. Li leg.; MHBU • 1 ♂, 3 ♀♀; Baoxing, Kyaʼgyu Shan; 30 Jul. 2016; L.M. Li leg.; MHBU. Descriptive notes Body length (both sexes): 10.0‒ 12.8 mm; width: 2.1‒3.0 mm. Male (Fig. 1D) AEDEAGUS (Fig. 2G‒I). Strongly swollen dorsally in basal part, diameter decreased apically; basal piece slightly shorter than dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, long and slightly thickened apically; dorsal plate slightly shorter than ventral process, evenly narrowed apically, layering in middle, external layer roundly emarginate in middle, internal layer deeply and triangularly emarginate, rounded at apex; apical parts of laterophyses compressed and next to each other, apex rounded and bent dorsally, slightly exceeding middle emargination between dorsal plates. Female ABDOMINAL STERNITE VIII (Fig. 3C). Obliquely narrowed posteriorly, lateroapical angles widely triangular, posterior margin shallowly and triangularly emarginate in the middle, and weakly sinuate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 4C). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a short duct which diverticulum and spermathecal duct are arising from; diverticulum moderately long, about 0.35 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly longer than diverticulum; spermatheca slender tube-shaped and spiral, thinner than spermathecal duct and nearly as long as diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin and nearly as long as spermatheca. Distribution China (Sichuan); Myanmar. Remarks The dorsal and lateral views of aedeagus and the female reproductive system are described and illustrated for the first time.Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on page 10, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310

    Stenothemus longicornis Y. Yang & H. Liu 2021, sp. nov.

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    <i>Stenothemus longicornis</i> Y. Yang & H. Liu sp. nov. <p>urn:lsid:zoobank.org:act: 642A908A-1F99-44DD-BC37-142F864A35E2</p> <p>Figs 2D, 4G‒I</p> Differential diagnosis <p> The new species resembles <i>S. hajeki</i> Švihla, 2011 (from N Yunnan, China), but differs in the following characters: antennae without impressions on middle antennomeres (with small oval impressions on antennomeres IV‒XI in the latter), pronotum obviously longer than wide (nearly as long as wide in the latter); elytra more elongate, about 3.5 times humeral width (3.2 times in the latter); aedeagus: parameres approaching each other (far from each other in the latter).</p> Etymology <p> The specific name is derived from the Latin ‘ <i>longus</i> ‘, meaning ‘long’, and ‘ <i>cornus</i> ‘, meaning ‘horn’, and referring to its long antennae.</p> Material examined <p> <b>Holotype</b> CHINA • ♂; Guangdong, Nanling, Ruyuan; 8 Apr. 2009; L. Gao leg.; MHBU HBU(E)410001.</p> Description <p> <b>Male</b> (Fig. 2D)</p> <p>MEASUREMENTS. Body length: 6.8 mm; width: 1.4 mm.</p> <p>COLORATION. Body black, mouthparts light brown, reddish brown at apices of mandibles, more or less darkened at maxillary and labial palpi, prothorax reddish brown, femora light brown at basal. Body densely covered with short, recumbent yellow pubescence.</p> <p>HEAD. Subquadrate, surface densely and finely punctate, each side with smooth and rectangular impression behind antennal socket; eyes strongly protruding, head width across eyes about 1.4 times as wide as pronotum; terminal maxillary palpomeres long-triangular, widest at basal two-thirds; antennae quite long, obviously exceeding apices of elytra; antennomeres II slightly longer than wide at apices, III about 2.6 times as long as II, III‒XI flattened and subparallel-sided, IV widest, V to XI gradually narrowing towards apex, VIII longest, XI slightly longer than X, pointed at apex.</p> <p>PRONOTUM. Subquadrate, about 1.2 times as long as wide, anterior margin rounded, anterior angles obtuse, subrounded, lateral margins nearly parallel and slightly sinuate, posterior margin straight and finely bordered, posterior angles obtusely rectangular, disc strongly convex on posterolateral parts, surface finely and densely punctate.</p> <p>ELYTRA. Parallel-sided, about 3.5 times as long as humeral width, 4.8 times as long as pronotum, surface densely and finely punctate, with hardly visible longitudinal costae.</p> <p>AEDEAGUS (Fig. 4G‒I). Moderately swollen laterally at basal part, strongly contracted in diameter apically; basal piece nearly as long as dorsal plate of each paramere, with a large, bifurcate conjoint middle nodule at base of ventral side; ventral processes of parameres approaching each other, short and slightly thickened apically, bent ventrally in lateral view; dorsal plate slightly longer than ventral process, strongly narrowed near base, approaching to each other, apex acute and directed ventrally; apical part of laterophyses separate from each other, apex wide-triangular and bent dorsally, feebly exceeding middle emargination between dorsal plates.</p> <p> <b>Female</b></p> <p>Unknown.</p> Distribution <p>China (Guangdong).</p>Published as part of <i>Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Review of the species of Stenothemus from Southeast China (Coleoptera, Cantharidae), pp. 119-144 in European Journal of Taxonomy 744</i> on pages 138-139, DOI: 10.5852/ejt.2021.744.1307, <a href="http://zenodo.org/record/4690236">http://zenodo.org/record/4690236</a&gt

    Stenothemus grahami Wittmer 1974

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    Stenothemus grahami Wittmer, 1974 Figs 1F, 3E, 6A‒C, 8A Stenothemus grahami Wittmer, 1974: 60, fig. 18. Material examined Paratype CHINA • 1 ♂; [h] “Gieh Yin // Temple // Mt. Omei”, “ Aug. 10‒11, ’25 // 7500 ft. alt.”, [p] “Szechuen // CHINA // D. C. Graham”, [h] “215”, [p] “PARATYPUS”, [h-p] “ Stenothemus // grahami // Wittm. // det. W. Wittmer”, [p] “Naturhistorisches // Museum Basel // Coll. W. Wittmer ”, “ CANTHARIDAE // CANTH00003898”; NHMB. Additional material CHINA ‒ Gansu • 1 ♂; Longnan, Huixian, Yanping Forestry Farm; 20 Sep. 2020; J. Li leg.; MHBU • 1 ♂, 1 ♀; Tianshui, Naiji, Baihua; 17 Sep. 2020; J. Li leg.; MHBU • 1 ♂; Tianshui, Naiji, Guanyin; 15 Sep. 2020; J. Li leg.; MHBU • 63 ♂♂, 14 ♀♀; same collection data as for preceding; 12 Sep. 2020; J. Li leg.; MHBU • 1 ♀; Zhugqu, Beach Forest Farm; 2400 m a.s.l.; 14 Jul. 1999; J. Yao leg.; IZAS • 1 ♀; same collection data as for preceding; T.L. He leg.; IZAS • 1 ♂, 1 ♀; same collection data as for preceding; 2400 m a.s.l.; 16 Jul. 1999; J. Yao leg.; IZAS • 1 ♀; Wenxian, Qiujiaba; 2350 m a.s.l.; 21 Jul. 1999; T.L. He leg.; IZAS. ‒ Henan • 1 ♂, 1 ♀; Songxian, Baiyun Shan; 14‒17 Aug. 2008; G.D. Ren and Q.Q. Wu leg.; MHBU • 1 ♂; Xixia, Baihe; 18 Aug. 2008; G.D. Ren and Q.Q. Wu leg.; MHBU. ‒ Hubei • 1 ♂; Xingshan, Longmenhe; 1100 m a.s.l.; 12 Sep. 1994; S.M. Song leg.; IZAS. ‒ Shaanxi • 1 ♂; Qinling; 30 Sep. 1980; J.R. Zhou leg.; IZAS • 1 ♂; Hanzhong, Mianxian, Miaoping; 9 Oct. 2020; J. Li leg.; MHBU. ‒ Sichuan • 1 ♀; Jiuzhaigou; 7‒15 Aug. 2002; M. Bai and J.F. Wang leg.; MHBU • 1 ♀; Danba, Kuiyonggou; 26 Aug. 2005; F.M. Shi leg.; MHBU • 1 ♂; Emei Shan, Xixiangchi; 1800‒2000 m a.s.l.; 18 Aug. 1957; F.X. Zhu leg.; IZAS • 1 ♂, 1 ♀; Nanping, Jiuzhaigou; 2300 m a.s.l.; 7 Sep. 1983; R.Q. Wang leg.; IZAS • 1 ♀; Nanping, Jiuzhaigou; 2300 m a.s.l.; 4 Sep. 1983; X.Z. Zhang leg.; IZAS • 1 ♂; Nanping, Jiuzhaigou; 2600 m; 5 Sep. 1983; S.Y. Wang leg.; IZAS. ‒ Xizang • 3 ♂♂, 1 ♀; Zayü Xian, Cawarong, Longcun, Aga Inn; 28.5430º N, 98.2348º E; 2883 m a.s.l.; 8 Sep. 20 I4; H. Liu leg.; IZAS • 1 ♂, 2 ♀♀; same collection data as for preceding; 9 Sep. 2014; H.B. Liang leg.; IZAS • 1 ♂; Zayü, Cawarong; 7500 m E of Jumuchang Inn; 28.5574º N, 98.2288º E; 3060 m a.s.l.; 10 Sep. 2014; H. Liu leg.; IZAS • 1 ♀; Zayü, Cawarong, Longpu, Tangtuila Ya kou; 28.5424º N, 98.4587º E; 3392 m a.s.l.; 15 Sep. 20 I4; H.B. Liang leg.; IZAS. Descriptive notes Body length (both sexes): 7.2‒10.6 mm; width: 1.5‒2.5 mm. Male (Fig. 1F) AEDEAGUS (Fig. 6A‒C). Strongly swollen dorsally at basal part, moderately reduced apically in diameter; basal piece slightly shorter than dorsal plate of each paramere, with a large, bifurcate conjoined middle nodule at base of ventral side; ventral processes of parameres nearly parallel to each other, moderately long and slightly narrowed apically, bent dorsally in lateral view; dorsal plate obviously longer than ventral process, evenly narrowed apically, apex rounded, outer margins folded ventrally; apical parts of laterophyses compressed and next to each other, apex acute and directed laterally, distinctly exceeding emargination between dorsal plates. Female ABDOMINAL STERNITE VIII (Fig. 3E). Obliquely narrowed posteriorly and slightly sinuate, lateroapical angles obtusely triangular, posterior margin deeply and triangularly emarginate in middle and widely truncate on both sides. INTERNAL ORGAN OF REPRODUCTIVE SYSTEM (Fig. 8A). Vagina elongate, with median oviduct situated at ventroapical part, vagina abruptly narrowed in apical part and extended into a long duct which diverticulum and spermathecal duct are arising from; diverticulum relatively short, about 0.29 times adult body length, evenly thinned apically, slender tube-shaped and spiral; spermathecal duct slightly long but much shorter than diverticulum; spermatheca slender tube-shaped and spiral, obviously thinner than spermathecal duct and much longer than diverticulum, with basal part extended into a short tube, at opening of accessory gland. Accessory gland thin in basal part and the remainder moderately thin, nearly as long as spermatheca. Distribution China (Shaanxi, Gansu, Henan, Hubei, Sichuan, Xizang). New records for Shaanxi, Gansu, Henan, Hubei, Xizang. Remarks The female reproductive system and dorsal and lateral views of the aedeagus for this species are described and illustrated for the first time.Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on pages 11-13, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310

    Stenothemus kansuensis Pic 1933

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    Stenothemus kansuensis Pic, 1933 Stenothemus kansuensis Pic, 1933a: 4. Distribution China (Gansu). Remarks The type was not located in MNHN, but it was simply noted by Wittmer (1974) that the type is a female, with the body small and brown.Published as part of Yang, Yuxia, Ge, Shujuan, Yang, Xingke & Liu, Haoyu, 2021, Taxonomic revision of the species of Stenothemus from Southwest China (Coleoptera, Cantharidae), with the descriptions of five new species, pp. 1-36 in European Journal of Taxonomy 757 (1) on page 15, DOI: 10.5852/ejt.2021.757.1409, http://zenodo.org/record/503310
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