1,720,972 research outputs found
Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae)
No full textYa, Igor (2012): Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae). Zootaxa 3329: 64-68, DOI: 10.5281/zenodo.28124
FIGURE 3 in Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae)
No full textFIGURE 3. Wing of Shamshevia reshchikovi sp. nov.Published as part of Ya, Igor, 2012, Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae), pp. 64-68 in Zootaxa 3329 on page 67, DOI: 10.5281/zenodo.28124
FIGURE 23 in Discovery of Griphophanes Grootaert & Meuffels and Nepalomyia Hollis in the Afrotropical Region with a key to Afrotropical genera of Peloropeodinae (Diptera: Dolichopodidae)
No full textFIGURE 23. Hypandrium and phallus of Nepalomyia kotrbae sp. nov., ventral aspect. Abbreviations: hyp, hypandrium; ph, phallus.Published as part of Ya, Igor, 2010, Discovery of Griphophanes Grootaert & Meuffels and Nepalomyia Hollis in the Afrotropical Region with a key to Afrotropical genera of Peloropeodinae (Diptera: Dolichopodidae), pp. 1-20 in Zootaxa 2668 on page 15, DOI: 10.5281/zenodo.27639
FIGURE 4 in Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae)
No full textFIGURE 4. Hypopygium of Shamshevia reshchikovi sp. nov., left lateral view. Abbreviations: cer—cercus, ep—epandrium, epl —epandrial lobe, hyp—hypandrium, pm sh—parameral sheath, pgt—postgonite, ph—phallus, dsur, vsur—surstylus (dorsal and ventral lobes).Published as part of Ya, Igor, 2012, Discovery of Shamshevia Grichanov in the Oriental Region (Diptera: Dolichopodidae), pp. 64-68 in Zootaxa 3329 on page 67, DOI: 10.5281/zenodo.28124
FIGURE 1 in Long-legged flies (Diptera: Dolichopodidae) in the collection of the Natal Museum: A review of C. H. Curran's types, new synonyms, and new combinations
No full textFIGURE 1. Acropsilus vorax (Curran), wing. Scale bar: 0.5 mm.Published as part of Ya, Igor & Mostovski, Mike B., 2009, Long-legged flies (Diptera: Dolichopodidae) in the collection of the Natal Museum: A review of C. H. Curran's types, new synonyms, and new combinations, pp. 37-53 in Zootaxa 2194 on page 39, DOI: 10.5281/zenodo.18944
FIGURES 1–6 in Mediterranean species of the Medetera plumbella species group with description of a new peculiar species from Morocco (Diptera: Dolichopodidae)
No full textFIGURES 1–6. Medetera varvara Grichanov et Vikhrev sp. nov. 1. male holotype, habitus. 2. female paratype, habitus. 3. male fore tarsus. 4. wing. 5. hypopygium, left lateral aspect. 6. apex of hypopygium, dorsal aspect. Scale bars: 0.2 mm.Published as part of Ya, Igor & Vikhrev, Nikita E., 2009, Mediterranean species of the Medetera plumbella species group with description of a new peculiar species from Morocco (Diptera: Dolichopodidae), pp. 46-52 in Zootaxa 2170 on page 49, DOI: 10.5281/zenodo.18920
The Dolichopus planitarsis species group in the Palearctic Region with the description of a new species from the Russian Altai (Diptera: Dolichopodidae)
No full textBarkalov, Anatolii V., Negrobov, Oleg P., Ya, Igor (2009): The Dolichopus planitarsis species group in the Palearctic Region with the description of a new species from the Russian Altai (Diptera: Dolichopodidae). Zootaxa 2268: 59-64, DOI: 10.5281/zenodo.19088
Griphophanes
No full textKey to known species of <i>Griphophanes</i> <p> 1 Legs mainly yellow; acrostichal setae uniseriate; 5 dorsocentrals; body length 1.55 (female) <i>–</i> 1.7 (male) mm, wing length 1.3 mm (Oriental) <i>......................................................................................................................... gravicaudatus</i></p> <p> - Legs mainly blackish brown; acrostichals biseriate; 6 dorsocentrals; body and wing longer; body length 2.4, wing length 2.4 <i>–</i> 2.5 (Afrotropical; males only).................................................................................................................... 2</p> <p> 2 Apical part of wing vein CuA1 1.5 times longer than dm-cu; male segment 7 short, about as long as tergum 6.......... <i>........................................................................................................................................................ congoensis</i> <b>sp. nov.</b></p> <p> - Apical part of wing vein CuA1 slightly shorter than dm-cu; male segment 7 nearly as long as terga 4−6 combined... <i>.................................................................................................................................................... garambaensis</i> <b>sp. nov.</b></p>Published as part of <i>Ya, Igor, 2010, Discovery of Griphophanes Grootaert & Meuffels and Nepalomyia Hollis in the Afrotropical Region with a key to Afrotropical genera of Peloropeodinae (Diptera: Dolichopodidae), pp. 1-20 in Zootaxa 2668</i> on page 11, DOI: <a href="http://zenodo.org/record/276399">10.5281/zenodo.276399</a>
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
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