851 research outputs found
Marganana (Marganana) mexicana DeLong & Freytag 1963
No full textMarganana (Marganana) mexicana DeLong & Freytag, 1963 Fig. 7 Marganana (Marganana) mexicana DeLong & Freytag, 1963: 260, pl. I fig. 4, pl. II figs 6–11, 24. Freytagana gibsoni DeLong, 1975: 409; figs 1–8. Syn. nov. Material examined Holotype MEXICO • ♂; Mexico, Puebla, Necaxa; 27 Oct. 1945; DeLong, Hershberger, Stone and Elliot leg.; OSUC-0169614. Other material MEXICO • ♂, holotype of Freytagana gibsoni; Mexico, Rte. 190, 28 mi. E of Mexico City; 28 Jul. 1965; P.H. Freytag and L.P. Gibson leg.; OSUC-0158615. Remarks Margana was erected by DeLong (1942) to accomodate the type species, Ponana marginifrons var. suilla Ball, 1935, from Arizona, USA. A few years later, DeLong (1948) proposed a new name for the genus, Marganana, because the previous name had already been taken by a genus of Lepidoptera Linnaeus, 1758. DeLong & Freytag (1963) erected a new subgenus, Declivana and two new species, Marganana (Marganana) mexicana from Mexico and Marganana (Declivana) equata from Guyana. According to DeLong (1942) and DeLong & Freytag (1963), Marganana differs from other Gyponini genera by the following characteristics: (1) crown short and broad, with transversely striated surface; (2) ocellus closer to median line than to adjacent eye; (3) transition crown-face with thickened margin and carinate; (4) face short and broad; (5) pronotum broad and slightly wider than head; (6) forewing long and narrow, with venation normal to reticulated, with veins wide, conspicuous, and dark margined, and appendix developed; (7) hind tibia without outer secondary setae; and (8) aedeagus simple, without basal processes. The monotypic genus Freytagana was erected by DeLong (1975) to accomodate the type species, Freytagana gibsoni DeLong, 1975, from Mexico. According to that author, Freytagana differs from other gyponines by the following set of characteristics: (1) crown short and broad, with anterior and posterior margins almost parallel; (2) ocellus closer to median line than to adjacent eye; (3) transition crown-face distinct and thick; and (4) forewing long and narrow, with venation reticulated, and slight appendix. Based on the original descriptions of the genera and a detailed study of the holotypes of the two included species, we conclude that there are no characters that distinguish Freytagana from Marganana. Therefore, we suggest that Freytagana be treated as a junior synonym of Marganana. In addition, considering the distribution data (the holotype of F. gibsoni and several paratypes of M. mexicana are from the same locality – Mexico City), forewing venation, and male terminalia (Fig. 7A–H, I–P), we concluded that holotypes of F. gibsoni and M. mexicana are conspecific, so that the former should be treated as a junior synonym of the latter. We note that the holotype of F. gibsoni has its aedeagus shaft damaged and twisted, besides being strongly bent ventrally at apical half. This may be the reason why DeLong did not treat them as the same species.Published as part of Gonçalves, Clayton C., Domahovski, Alexandre C., Mejdalani, Gabriel & Takiya, Daniela M., 2021, Three new genera from South America and some taxonomic changes in Gyponini (Insecta: Hemiptera: Cicadellidae), pp. 70-93 in European Journal of Taxonomy 750 on pages 87-89, DOI: 10.5852/ejt.2021.750.1363, http://zenodo.org/record/477056
John Davis Lodge: A Life in Three Acts: Actor, Politician, Diplomat
No full textIn this comprehensive biography, which includes many rare photographs from all periods of Lodge\u27s life, the author ells an extraordinary story of acting, political, and diplomatic triumphs, periodically unsettled by conflict, defeat, and sibling rivalry. Working from archival sources, unpublished letters and memoirs, and countless interviews with those closest to Lodge, DeLong meticulously documents the life of a diversely talented and uncommonly dedicated man, truly one of the great public servants and personalities of twentieth-century America. Thomas A. DeLong is the author of numerous books of biography and award-winning studies of the development of radio and television broadcasting. He has written for the New York Times, Los Angeles Times, Connecticut Post, and other newspapers and magazines.https://digitalcommons.sacredheart.edu/shupress_bks/1011/thumbnail.jp
Spinulana, New Genus of Mexican Deltocephalinae, and Two New Species of Spinulana (Homoptera: Cicadellidae)
No full textAuthor Institution: Department of Zoology and Entomology, The Ohio State University, Columbus, OhioA new genus of Deltocephalinae, Spinulana, and two new species, D. variegata and D. spinosa, are described from specimens collected at Iguala, Mexico. Forms resemble species of Exitianus, to which they are closely related, but differ in morphology of male genitalia. Holotypes are preserved in the DeLong collection
Devolana, New Genus of Mexican Deltocephalinae, and a New Species of Devolana (Homoptera: Cicadellidae)
No full textAuthor Institution: Department of Zoology and Entomology, The Ohio State University, Columbus, OhioA new genus of Deltocephalinae, Devolana, and one new species, D. hemicycla, are described from specimens collected in Iguala, Mexico. Forms resemble species of both Exitianus and Spinulana, to which they are closely related, but differ in the morphology of their genital structures. Holotypes are preserved in Delong collection
In Praise of Historical Economics
No full textProfessor Bradford DeLong is a leading macroeconomist and economic historian, and is best known for his work on economic growth, business cycles, finance and issues relating to international economic history and globalisation. However, his interests and publications cover a vast range of issues and, above all, his research and publications demonstrate the important insights that contemporary economists can gain from a deep knowledge of history. In this article/interview the author argues that economists, particularly those interested in economic growth, have much to gain by paying more attention to the literature of ‘historical economics’. In the interview that follows, Professor DeLong gives his views on economists and economic history, the industrial revolution, long-run changes in living standards, economic growth, US economic leadership, depressions, inflation and instability, the ‘new economy’, and the twentieth century.
Studies of the Mexican Deltocephalinae -1, 2 Aligia and Some New Allied Genera and Species (Homoptera: Cicadellidae)
No full textAuthor Institution: Entomology Research Division, Agr. Res. Serv., U. S. Department of Agriculture, Washington, D. C., Professor Emeritus, Department of Zoology and Entomology, The Ohio State University, Columbus, OhioThe Mexican species of Aligia Ball and related genera are largely unknown or undescribed. Hepner (1942) published a study of the 32 species of Aligia known to occur in the United States, and some of these will undoubtedly be found in Mexico eventually. In this paper we describe three new species of Aligia; one new species of Frequenamia DeLong; and two new genera, one with two new species and the other with a single new species. All holotypes and allotypes are in the DeLong Collection; paratypes will be deposited in the collection of the United States National Museum
Studies of the Gyponinae. 1, The Genus Marganana Delong (Homoptera: Cicadellidae)
No full textAuthor Institution: Department of Zoology and Entomology, The Ohio State University, Columbus 1
Studies of the Gyponinae : a Synopsis of the Genus Acusana Delong (Homoptera: Cicadellidae)
No full textAuthor Institution: Department of Zoology and Entomology, The Ohio State University, Columbus, Ohio 43210All known species of Acusana are reviewed, including illustrations of the genital structures and a key to the species. Twenty eight species are included in the genus and 16 of these are described as new to science. The known geographical distribution of each species is also indicated
Studies of the Gyponinae : A Synopsis of the Genus Hamana Delong (Homoptera: Cicadellidae)
No full textAuthor Institution: Department of Zoology and Entomology, The Ohio State University, Columbus, Ohio 43210A key is presented to identify the 17 species represented by males. Nineteen species are treated, nine of which, previously described, are: H. annulicornis (V.D.), lacteipennis (Fowl), incita DeL., herbida DeL., manifesto, DeL., gelbata DeL., transversa DeL., virescens DeL., and dictatoria (Gib.). The following ten species are described as new: H. loka, serrella, valeka, kolva, nemella, kella, nelya, lekva, hyena, and helva. One hundred and two figures are used to illustrate the diagnostic characters of the several species
Error analysis of Google neural English to Arabic machine translation: A communicative competence perspective, 2021
No full textThis study examined Google neural machine translation from the communicative competence perspective. The communicative competence linguistic framework consists of linguistic, sociolinguistic, discourse, and strategic competences. The communicative competence framework was implemented to explore what interlingual error patterns are more likely to impede and subvert bilingual translation and communication. The findings of this study indicated that Google's online translation tool produced errors with various degrees of severity in the four aspects of communicative competence. However, most of Google translation errors appeared to be linguistic and discourse-based errors. Additionally, the findings indicated that the quality of Google's translation was adequate but needed moderate human's editing to appear comprehensible. The author of this study concluded that Google tended to produce better results while translating texts that were created to address a public audience and written in a serious tone of writing
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