292,706 research outputs found
Protaenionema Liu and Shih
No full textGenus Protaenionema Liu and Shih, gen. nov. Type species. Protaenionema fuscalatus Liu and Shih, sp. nov. Etymology. Named from a combination of the prefix pro- and Taenionema. Species included. Only the type species P. fuscalatus Liu and Shih, sp. nov. Diagnosis. Wings of normal length, brown. Lack of additional veinlets on the costal area, crossvein c–r absent; Rs and M both with two branches. Ninth sternite produced, distinctly exceeds the tenth segment, not upturned, and the distal margin rounded, tenth tergite transversely wide, sclerotized. Cerci short, multisegmented. Remarks. In the extant genera, c–r is generally present, absent only in Brachyptera and in the glacialis and contorta group of Oemopteryx (Ricker & Ross 1975). Crossvein c–r is absent in this new genus Protaenionema. It is difficult to distinguish this new genus and extant genus Brachyptera and the glacialis and contorta group of Oemopteryx according to the preserved characters of Protaenionema. Brachyptera has developed extra branches (three to five branches) of CuA and cerci with one or two segments, but these important characters are not preserved clearly in Protaenionema; similarly, the typical features (two prongs) of epiproct of Oemopteryx cannot be observed in Protaenionema. The new extinct genus Protaenionema differs from the extinct Gurvanopteryx and Positopteryx by the opaque, slightly brown wings and by the distinctly produced ninth sternite. It differs from the new Jurataenionema by having an Rs with two branches and the fuscous wings.Published as part of Liu, Yushuang, Sinitshenkova, Dong Ren Nina D. & Shih, Chung Kun, 2007, The oldest known record of Taeniopterygidae in the Middle Jurassic of Daohugou, Inner Mongolia, China (Insecta: Plecoptera), pp. 1-8 in Zootaxa 1521 on pages 4-5, DOI: 10.5281/zenodo.17745
Using the attention cascade model to computationally account for the age differences in an Attentional Blink (AB) task
No full textThe attention cascade model (Shih, 2008) is a general, mathematical model of attention and working memory. It is applied here to characterize cognitive aging
Protaenionema fuscalatus Liu and Shih, sp. nov.
No full textProtaenionema fuscalatus Liu and Shih, sp. nov. Figs. 6–7 Etymology. The species name is taken from a combination of the Latin fuscus (meaning dark) and the Latin alatus (meaning winged). Materials. Holotype, sex unknown. CNU, NMDHG 55, a well–preserved body with part of wings. Description. Length of body 17 mm, to tip of wings 21 mm, color dark. Head large, subtriangular, the basal part twice as wide as the distal; antennae shorter than body. Thorax distorted and compressed laterally, structure unclear. Forewing length 16 mm, opaque, fuscous. Vein Sc unites with R at 2 / 3 total wing length. Crossevein c–r absent, Rs oblique at the base, 2 –branched, forked distal to cord. Vein M 2 –branched from middle of wing, its branches nearly twice as long as Rs branches. Crossvein rs–m straight, parallels r–rs, connecting Rs proximal to r–rs, terminating at the proximal 1 / 3 of MA. Crossvein m–cua straight, connecting M stem and CuA stem. Branches of CuA not discernable, only the distal part of first branch of CuA preserved. At least 5 crossveins at the median area. Abdomen with 10 visible segments, almost twice as long as thorax. Every segment is of almost same width except for the last two segments, and three to eight segments are relative longer than first two segments. The ninth sternite produced, greatly exceeding the 10 th segment, its tip not upturned, broadly round; the 10 th tergite short, sclerotized. Cerci short, multisegmented, its segments faint. Legs robust, coxa and trochanter wide, femur short and brawny, nearly twice as wide as tibia, tibia slen- der, tarsi long, half length of tibia, the first segment slightly longer than the second one which is equal to the third segment. Claw short, wide basally.Published as part of Liu, Yushuang, Sinitshenkova, Dong Ren Nina D. & Shih, Chung Kun, 2007, The oldest known record of Taeniopterygidae in the Middle Jurassic of Daohugou, Inner Mongolia, China (Insecta: Plecoptera), pp. 1-8 in Zootaxa 1521 on pages 5-6, DOI: 10.5281/zenodo.17745
Jurahylobittacus astictus Li & Ren & Shih 2008
No full textJurahylobittacus astictus sp nov. (Figs 2A–E, 3C–D) Etymology. This species is named astictus after having no maculae on wings. Material. Holotype CNU-M-NN2007002-1 and CNU-M-NN2007002-2, positive and negative (coll. Shih Chungkun), deposited at the Key Lab of Insect Evolution & Environmental Changes, the College of Life Sciences, Capital Normal University (CNU), Beijing, China. Horizon and locality. Jiulongshan Formation, Middle Jurassic, Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China. Diagnosis. Sc-r at about as long as its length before end of Sc; no cross-vein between R 2 and R 1; and no maculae on wings. Description. Lateral view of a complete insect. Rostrum slender; abdomen long and slender, slightly beyond wing tip (Fig. 2 A-C). Wings. Basal part of forewing narrow; gradually broadening from base towards rounded apex; pterostigma slightly dark; sc-r is close to the tip of Sc; M 1+2 dividing far beyond R 4+5; one cross-vein between R 2+3 and R 4; two cross-veins R 4 and R 5; two cross-veins between R 5 and M 1; two cross-veins between M 1 and M 2; two cross-veins between M 2 and M 3; one cross-vein between M 3 and M 4; two cross-veins between CuA and CuP; two cross-veins connecting 1A and 2A; 2A extending almost to level of origin of M; and vein 3A absent (Fig. 2D). Hindwings seem to be identical to the forewings in the venation, but their Sc short, ending distally before the fork of Rs ( Fig. 2E). Abdomen. At least nine visible segments in lateral view (Fig. 2C). Terminal abdominal segments were well preserved, basistyles, aedeagus, cercus and epiandrial lobe visible (Fig. 3 C-D). Body 18 mm long, forewing 12.6 mm long, 3.0 mm wide; hind wing 10.3 mm long, 3.0 mm wide.Published as part of Li, Yan-Li, Ren, Dong & Shih, Chung-Kun, 2008, Two Middle Jurassic hanging-flies (Insecta: Mecoptera: Bittacidae) from Northeast China, pp. 38-46 in Zootaxa 1929 (1) on pages 43-45, DOI: 10.11646/zootaxa.1929.1.2, http://zenodo.org/record/523080
Dataset for paper "Analysis of resonance effect for a railway track on a layered ground"
No full textData for the graphs in the paper Shih, J-Y., Thompson, D., & Ntotsios, E. (2018). Analysis of resonance effect for a railway track on a layered ground. Transportation Geotechnics. DOI:10.1016/j.trgeo.2018.07.001</span
Strenorhagio deviatus Zhang & Yang & Ren & Shih 2010
No full text<i>STRENORHAGIO DEVIATUS</i> ZHANG, YANG & SHIH GEN. ET SP. NOV. (FIG. 3) <p> <i>Etymology:</i> The specific name refers to the Latin ‘d <i>eviatus</i> ’ (abnormal), because of the abnormal position of crossvein r–m.</p> <p> <i>Diagnosis:</i> Hind femur and tibia slender. Crossvein r–m far proximal to beginning of vein R 2+3; basal trunk of veins M 1 and M 2 longer than crossvein m–m; vein CuA 1 arising from infall of cells bm and d; mouth of cell sc slightly wider than that of cell r 1; mouth of cell m 1 much narrower than that of cell m 2; mouth of cell m 3 subequal to that of cell m 1 in width.</p> <p> <i>Holotype:</i> CNU-DIB-NN2007018, an almost complete adult body with wings in dorsal view.</p> <p> <i>Type locality and horizon:</i> Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China; Jiulongshan Formation, the Middle Jurassic (Aalenian–Bajocian).</p> <p> <i>Description:</i> Body length, 14.8 mm; wing length, 11.0 mm; wing width, 3.3 mm.</p> <p>Body stout. Head elliptical, slightly narrower than thorax. Eyes large, bare; ommatidia clearly visible, with upper area composed of larger facets.</p> <p>Legs pubescent. Hind femur and tibia slender; first tarsomere distinctly longer and wider than following tarsomeres.</p> <p> Wing hyaline; veins thick and strong. Vein Sc ending slightly beyond middle of wing. Veins R 1 and Rs 1 long; vein R 2+3 distinctly and strongly bent upwards at base; vein R 5 ending at wing apex. Crossvein r–m at basal third of cell d, far proximal to beginning of vein R 2+3; relative lengths of veins Rs 1, Rs 2 and Rs 3 about 9.5: 1: 8.5. All branches of vein M long, veins M 1 and M 2 bifurcating distal to crossvein m–m, basal trunk of veins M 1 and M 2 longer than crossvein m–m. Vein CuA 1 arising from infall of cells bm and d; veins CuP and A 2 present. Mouths of cells sc and r 1 wide; mouths of cells r 2+3 and r 4 distinctly narrow. Cell bm about as wide as cell br; cell d slender, far from wing margin. Five posterior cells present and wide open; mouth of cell m 1 much narrower than that of cell m 2; mouth of cell m 3 subequal to that of cell m 1 in width, about 1/2 as wide as that of cell cua 1. Cell cup distinctly open; anal lobe small and narrow.</p> <p>Abdomen cylindrical, robust, and pubescent. Eight segments visible; segment I evidently shortest.</p> <p> <i>Remarks:</i> See remarks for <i>Strenorhagio grimaldi</i> sp. nov.</p>Published as part of <i>Zhang, Kuiyan, Yang, Ding, Ren, Dong & Shih, Chungkun, 2010, An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera), pp. 563-572 in Zoological Journal of the Linnean Society 158 (3)</i> on page 567, DOI: 10.1111/j.1096-3642.2009.00552.x, <a href="http://zenodo.org/record/5438122">http://zenodo.org/record/5438122</a>
Xeruca Shih 2015
No full text<i>Xeruca</i> Shih, 2015, status nov. <p>(Fig. 12B)</p> <p> <i>Xeruca</i> Shih, 2015: 154. Type species: <i>Uca formosensis</i> Rathbun, 1921, by original designation. Gender feminine.</p> <p> <b>Diagnosis.</b> Large-sized species (carapace width about 30 mm in adults); dorsal carapace surface without posterolateral striae; front narrow; cornea round; eyestalks slender; adult male major cheliped very large; right- or left-handed, deep fingers (with straight cutting margins>1/2 length of fingers), pollex without ventral carina, outer surface of major manus with moderate-szied to large tubercles, carpus with anterodorsal area flattened to facilitate chela flexion, setae on merus of minor cheliped long, thin; male pleonites free; pleonal locking mechanism absent; no setae on lateral margins of posterior stem region of urocardiac ossicles in gastric mill. Taiwan endemic.</p> <p> <b>Species included</b>:</p> <p> <i>Xeruca formosensis</i> (Rathbun, 1921).</p> <p> <b>Remarks.</b> Although Rathbun described this large endemic Taiwanese species in Rathbun (1921), it was not well known until the work of Shih et al. (1999). Crane (1975) placed it with <i>U. tetragonon</i> and the <i>U. vocans</i> species-complex, in <i>Thalassuca</i> (= <i>Gelasimus</i>), although she had examined only a few specimens. Shih et al. (1999) suggested that it was closely related to <i>Tubuca</i>, but cautioned that more study was needed to confirm its status. Shih (2015) recently established a separate taxon <i>Xeruca</i> for this species based on morphological (see Rosenberg, 2001) and molecular evidence. The present work (Fig. 2) and Shih (2015) show <i>Xeruca</i> to be basal to the main <i>Tubuca</i> clade which confirms earlier relationship speculation (Crane, 1975; Shih et al., 1999; Rosenberg, 2001). The monotypic <i>Xeruca</i> is confined to Taiwan Island and the adjacent Penghu Islands, and thus has the smallest distribution of any genus in the Ocypodidae (Fig. 4).</p>Published as part of <i>Shih, Hsi-Te, Ng, Peter K. L., Davie, Peter J. F., Schubart, Christoph D., Türkay, Michael, Naderloo, Reza, Jones, Diana & Liu, Min-Yun, 2016, Systematics of the family Ocypodidae Rafinesque, 1815 (Crustacea: Brachyura), based on phylogenetic relationships, with a reorganization of subfamily rankings and a review of the taxonomic status of Uca Leach, 1814, sensu lato and its subgenera, pp. 139-175 in Raffles Bulletin of Zoology 64</i> on page 159, DOI: <a href="http://zenodo.org/record/5355087">10.5281/zenodo.5355087</a>
Petruca Shih, Ng & Christy 2015
No full textPetruca Shih, Ng & Christy, 2015, status nov. (Fig. 10F) Petruca Shih, Ng & Christy, 2015: 476. Type species: Gelasimus panamensis Stimpson, 1859, by original designation. Gender feminine. Diagnosis. Medium-sized species (carapace width about 15 mm in adults); carapace widest between tips of anterolateral angles; dorsal carapace surface almost flat, smooth, with posterolateral striae; front broad; cornea round; eyestalks slender; orbital floor with spinous tubercle near inner corner; adult male major cheliped very large, right- or left-handed, pollex without ventral carina, major chela smooth in inner or outer surfaces, with posterior extension of manus; tips of minor fingers of both sexes with brush of long setae; male pleonites free; pleonal locking mechanism absent; gastric mill with 2 large brownish setae at base of posterior tooth plate. Confined to the East Pacific coasts of the Americas. Species included: Petruca panamensis (Stimpson, 1859). Remarks. Gelasimus panamensis Stimpson, 1859, has been placed either in Minuca or Leptuca, but Shih et al. (2015) established a new subgenus for it based on a number of unusual characters, e.g., the relatively flat dorsal carapace surface, the posterior extension of the major manus, the smooth inner and outer surfaces of the major chela, the brush of long stiff setae on the finger tips of the minor cheliped, the armature at the inner corner of the orbital floor, and the characteristic urocardiac ossicles of the gastric mill. In addition, its ecology and behavior are peculiar for fiddler crabs, e.g. lives on cobble beaches rather than sandy-muddy substrates, has no deep or permanent burrows, and swallow food particles directly (see Shih et al., 2015). The distribution is limited to the Pacific side of Central America and northern South America (Fig. 4).Published as part of Shih, Hsi-Te, Ng, Peter K. L., Davie, Peter J. F., Schubart, Christoph D., Türkay, Michael, Naderloo, Reza, Jones, Diana & Liu, Min-Yun, 2016, Systematics of the family Ocypodidae Rafinesque, 1815 (Crustacea: Brachyura), based on phylogenetic relationships, with a reorganization of subfamily rankings and a review of the taxonomic status of Uca Leach, 1814, sensu lato and its subgenera, pp. 139-175 in Raffles Bulletin of Zoology 64 on page 156, DOI: 10.5281/zenodo.535508
Eotrichocera (Archaeotrichocera) spatiosa Liu, Shih & Ren, 2012, sp. nov.
No full textEotrichocera (Archaeotrichocera) spatiosa sp. nov. (Fig. 3) Diagnosis: Sc rather long, about 0.84 times of the wing length, and ending slightly beyond R 2; crossvein sc-r at the two-thirds of Rs; r-m at about one-third of d cell; d cell small, 0.19 times length of wing; A 2 short, about 0.21 times of the wing length. Description: Body: A well-preserved female adult fossil. Head subcircular and narrower than thorax. The compound eyes with clear facets. One antenna with three segments visible. The thorax poorly preserved. Abdomen length 11 mm, width 1.5 mm, with 8 clear segments. Female with ovipositor preserved. The legs long and slender. Wing: Length 12 mm and width 4.5 mm, 2.7 times as long as wide. Sc rather long, about 0.84 times of the wing length and terminating slightly beyond R 2; Crossvein sc-r at the two-thirds of Rs. Rs arising from less than basal one-third of length of wing, Rs at 0.63 times length of wing ramified into R 2 + 3 + 4 and R 5; R 2 + 3 + 4 short, being 0.6 times as long as R 2 + 3; R 2 short, about one-seventh of the length of dR 1, and nearly one-fourth length of R 2 + 3; R 3 about 1.3 times as long as R 2 + 3; section bR 5 rather short, 0.3 times as long as r-m. Stem vein M ramified nearly at the same level of sc-r; bM 1 + 2 longer than r-m, bM 1 + 2 about three-fifths mM 1 + 2, and bM 1 + 2 and mM 1 + 2 strongly bent at r-m, mM 1 + 2 distinctly longer than dM 1 + 2; cell m 1 as long as d cell, about twice as long as dM 1 + 2, M 1 slightly longer than M 2. Crossvein m-m shorter than bM 3, M 3 distinctly longer than M 4, r-m at about one-third of d cell; d cell broader distally, small, 0.19 times length of wing, m-cu meeting M 3 + 4 slightly before its fork. CuA long. A 1 long and reaching wing margin. A 2 short, about 0.21 times length of wing and curving toward to posterior margin. Material: Holotype, female, CNU-DIP-D-NN 2008130 p/c, a well-preserved body with wings. Etymology: The species name refers to the large size of this specimen. Remarks: The new species is similar to Eotrichocera (Archaeotrichocera) ephemera Zhang, 2006, but the former can be easily distinguished by its larger size; Sc 0.84 times length of wing and terminating slightly beyond R 2; cell m 1 as long as d cell, twice as long as dM 1 + 2; d cell 0.19 times length of wing; A 2 short, about 0.21 times length of wing. The new species is similar to the Eotrichocera (Archaeotrichocera) conica Krzemińska, Krzemiński et Ren, 2009, but can be easily separated from the latter by Sc longer; sc-r at two-thirds of Rs, Rs fork 0.63 times length of wing; r-m at about one-third of d cell; d cell slight smaller; A 2 slight shorter. Compared with Eotrichocera (Archaeotrichocera) rara Krzemińska, Krzemiński et Ren, 2009, the main differences are: Sc longer, sc-r at two-thirds of Rs; Rs fork in 0.63 times length of wing; R 2 + 3 longer than R 2 + 3 + 4; d cell smaller; dM 1 + 2 longer (about half length of cell m 1); m-cu meeting M 3 + 4 slightly before its fork; A 2 slightly longer.Published as part of Liu, Luxi, Shih, Chungkun & Ren, Dong, 2012, Two new species of Ptychopteridae and Trichoceridae from the Middle Jurassic of northeastern China (Insecta: Diptera: Nematocera), pp. 55-62 in Zootaxa 3501 on page 59, DOI: 10.5281/zenodo.28247
1ST MEASUREMENT OF GAMMA(D(S)(+)-]MU+NU)/GAMMA(D(S)(+)-]PHI-PI+)
No full textComplete Author List:
ACOSTA D, ATHANAS M, MASEK G, PAAR H, BEAN A, GRONBERG J, KUTSCHKE R, MENARY S, MORRISON RJ, NAKANISHI S, NELSON HN, NELSON TK, RICHMAN JD, RYD A, TAJIMA H, SCHMIDT D, SPERKA D, WITHERELL MS, PROCARIO M, YANG S, BALEST R, CHO K, DAOUDI M, FORD WT, JOHNSON DR, LINGEL K, LOHNER M, RANKIN P, SMITH JG, ALEXANDER JP, BEBEK C, BERKELMAN K, BESSON D, BROWDER TE, CASSEL DG, CHO HA, COFFMAN DM, DRELL PS, EHRLICH R, GALIK RS, GARCIASCIVERES M, GEISER B, GITTELMAN B, GRAY SW, HARTILL DL, HELTSLEY BK, JONES CD, JONES SL, KANDASWAMY J, KATAYAMA N, KIM PC, KREINICK DL, LUDWIG GS, MASUI J, MEVISSEN J, MISTRY NB, NG CR, NORDBERG E, OGG M, PATTERSON JR, PETERSON D, RILEY D, SALMAN S, SAPPER M, WORDEN H, WURTHWEIN F, AVERY P, FREYBERGER A, RODRIGUEZ J, STEPHENS R, YELTON J, CINABRO D, HENDERSON S, KINOSHITA K, LIU T, SAULNIER M, SHEN F, WILSON R, YAMAMOTO H, ONG B, SELEN M, SADOFF AJ, AMMAR R, BALL S, BARINGER P, COPPAGE D, COPTY N, DAVIS R, HANCOCK N, KELLY M, KWAK N, LAM H, KUBOTA Y, LATTERY M, NELSON JK, PATTON S, PERTICONE D, POLING R, SAVINOV V, SCHRENK S, WANG R, ALAM MS, KIM IJ, NEMATI B, ONEILL JJ, SEVERINI H, SUN CR, ZOELLER MM, CRAWFORD G, DAUBENMIER CM, FULTON R, FUJINO D, GAN KK, HONSCHEID K, KAGAN H, KASS R, LEE J, MALCHOW R, MORROW F, SKOVPEN Y, SUNG M, WHITE C, WHITMORE J, WILSON P, BUTLER F, FU X, KALBFLEISCH G, LAMBRECHT M, ROSS WR, SKUBIC P, SNOW J, WANG PL, WOOD M, BORTOLETTO D, BROWN DN, FAST J, MCILWAIN RL, MIAO T, MILLER DH, MODESITT M, SCHAFFNER SF, SHIBATA EI, SHIPSEY IPJ, WANG PN, BATTLE M, ERNST J, KROHA H, ROBERTS S, SPARKS K, THORNDIKE EH, WANG CH, DOMINICK J, SANGHERA S, SHELKOV V, SKWARNICKI T, STROYNOWSKI R, VOLOBOUEV I, ZADOROZHNY P, ARTUSO M, HE D, GOLDBERG M, HORWITZ N, KENNETT R, MONETI GC, MUHEIM F, MUKHIN Y, PLAYFER S, ROZEN Y, STONE S, THULASIDAS M, VASSEUR G, ZHU G, BARTELT J, CSORNA SE, EGYED Z, JAIN V, SHELDON P, AKERIB DS, BARISH B, CHADHA M, CHAN S, COWEN DF, EIGEN G, MILLER JS, OGRADY C, URHEIM J, WEINSTEIN A
- …
