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Sphaeromacrops yunnanensis Tang & Cheng 2020, sp. n.
No full textSphaeromacrops yunnanensis Tang & Cheng sp. n. (Figs. 1–6) Type material. Holotype. China: Yunnan: ♂, glued on a card with labels as follows: “ China, Yunnan Prov., Xi- shuangbanna, Nabanhe A. R., Guomenshan, 26. IV.2009, Meng leg.” “ Holotype / Sphaeromacrops yunnanensis / Tang & Cheng” [red handwritten label] (SHNU). Paratypes. 1♂ 1♀, same data as for the holotype (SHNU); 2♂♂, Xishuangbanna, Nabanhe A. R., 18.VI.2009, Meng leg. (SHNU, NWM). Description. Body black, forebody with dark olive- green metallic lustre; antennal segments I–III reddish, segment IV reddish with base narrowly yellowish, segment V blackish with base narrowly yellowish, segment VI reddish to blackish with base narrowly yellowish, segment VII with base narrowly yellowish and remaining portion varying from black to white, segments VIII–XI white, sometimes the apical portion of the terminal segment may be darker; legs reddish; basisternum reddish; shoulders and deflexed portion of elytra reddish; abdominal segments with posterior margins and paratergites reddish. Measurements of male: BL: 11.2–11.4 mm, FL: 5.9–6.3 mm. HL: 1.72–1.81 mm, HW: 1.97–2.08 mm, EYL: 0.77–0.81 mm, TL: 0.72–0.74 mm, PL: 1.63–1.85 mm, PW: 1.38–1.47 mm, EL: 2.40–2.55 mm, EW: 2.25–2.40 mm. HW/HL: 1.11–1.16, TL/EYL: 0.91–0.93, PL/PW: 1.17–1.26, EL/EW: 1.06–1.07. Measurements of female: BL: 12.5 mm, FL: 7.0 mm. HL: 1.93 mm, HW: 2.32 mm, EYL: 0.89 mm, TL: 0.77 mm, PL: 1.89 mm, PW: 1.66 mm, EL: 2.84 mm, EW: 2.68 mm. HW/HL: 1.21, TL/EYL: 0.87, PL/PW: 1.14, EL/ EW: 1.06. Head subquadrate, tempora slightly narrowed behind eyes; eyes strongly and spherically prominent; portion between eyes with punctation longitudinally confluent, interstices narrow and smooth, forming long rugae and an indistinct midline, two admedian impunctate patches at level of half-length of eyes; posterior half of head with punctures more or less regular and very dense, those near the posterior margin of head transversely confluent, interstices reduced to sharp ridges; pubescence of head fine, brownish with some modified silvery setae on vertex; antennal segment I distinctly longer than segment III, segment IV distinctly oblong, segments V and VI slightly longer than segment IV, segments VII–IX slightly wider than segment VI, segment X slightly shorter than segment IX, segment XI slightly longer than segment IX. Pronotum with punctation and interstices similar to those of posterior portion of head, pair of admedian impunctate patches very indistinct, as wide as diameter of punctures, posterior medial impunctate patch well developed, anterior half with scattered punctures and posterior half smooth; pubescence mostly brownish with some grouped white setae forming several indistinct tomentose patches; scutellum densely punctate, posterior half with cluster of dark setae. Elytra with punctation and interstices similar to those of pronotum, though punctures are slightly smaller in average and interstices near posterior margin distinctly larger; pubescence mostly brownish with some grouped white setae forming several tomentose patches. Abdominal tergites III–V with pair of slightly divergent accessory basal lines; tergite VIII with posterior margin hardly emarginated at middle; tergites III, IV and VIII covered with white fur-like pubescence, tergite V with pair of dark tomentose dots at middle surrounded with white fur-like pubescence, tergite VI with dark heart-shaped tomentose patch at middle decorated with some white setae along its lateral sides, tergite VII with white tomentose patch at middle, not reaching the lateral sides of tergite, middle of posterior margin of this patch connected to dark longitudinal tomentose patch, styli covered with white fur-like pubescence on dorsal surface. Front legs with tarsomere V slightly longer than tarsomeres IV and III combined. Male. Sternite VIII emarginated at middle of posterior margin, sternite IX (Fig. 3) emarginated at middle of posterior margin. Aedeagus (Figs. 4, 5) slender, median lobe with apical portion slightly asymmetrical; paramere as long as median lobe, bent to left side in ventral view, apical portion (Fig. 6) truncated and bearing two groups of peg setae along the inside of the lateral margin. Female. Sternite VIII with posterior margin broadly rounded. Distribution. China (Yunnan). Remarks. The new species can be easily distinguished from other species by the posterior margin of abdominal tergite VIII without distinct emargination at middle. It can also be distinguished from S. antennalis (Cameron, 1932) and S. nepalensis Schillhammer, 2001 by the much smaller body size, and from S. strigosifrons Schillhammer, 2001, S. varicornis (Coiffait, 1977) and S. gracilis Schillhammer, 2001 by the indistinct admedian patches of the pronotum. Etymology. The specific name is derived from “ Yunnan ”, the type locality of the species.Published as part of Tang, Liang & Cheng, Zhi-Fei, 2020, Sphaeromacrops Schillhammer new to China with description of a new species (Coleoptera, Staphylinidae), pp. 297-300 in Zootaxa 4779 (2) on pages 298-300, DOI: 10.11646/zootaxa.4779.2.11, http://zenodo.org/record/383346
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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