1,720,969 research outputs found
A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae)
William L. Grogan, Jr., Lysyk, Timothy J. (2015): A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae). Insecta Mundi 2015 (441): 1-24, DOI: 10.5281/zenodo.518256
Figures 1–4. Culicoides shemanchuki n in A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae)
Figures 1–4. Culicoides shemanchuki n. sp., male, from Warner, Alberta, Canada. 1) Head. 2) Thorax. 3) Wing. 4) Genitalia.Published as part of William L. Grogan, Jr. & Lysyk, Timothy J., 2015, A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae), pp. 1-24 in Insecta Mundi 2015 (441) on page 15, DOI: 10.5281/zenodo.518256
Figures 9–11 in A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae)
Figures 9–11. Culicoides riethi, male, from Warner, Alberta, Canada. 9) Head. 10) Wing. 11) Genitalia.Published as part of William L. Grogan, Jr. & Lysyk, Timothy J., 2015, A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae), pp. 1-24 in Insecta Mundi 2015 (441) on page 17, DOI: 10.5281/zenodo.518256
Figures 27–30 in A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae)
Figures 27–30. Culicoides stigma, female, from Beaver River, Alberta, Canada. 27) Head. 28) Wing (image taken with confocal microscope). 29) Wing (reverse confocal image). 30) Spermatheca.Published as part of William L. Grogan, Jr. & Lysyk, Timothy J., 2015, A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae), pp. 1-24 in Insecta Mundi 2015 (441) on page 22, DOI: 10.5281/zenodo.518256
Figures 31–33 in A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae)
Figures 31–33. Culicoides stigma, male, from Marne, France. 31) Head. 32) Wing. 33) Genitalia.Published as part of William L. Grogan, Jr. & Lysyk, Timothy J., 2015, A revision of the biting midges in the Culicoides (Monoculicoides) nubeculosus-stigma complex in North America with the description of a new species (Diptera: Ceratopogonidae), pp. 1-24 in Insecta Mundi 2015 (441) on page 23, DOI: 10.5281/zenodo.518256
Effects of Photoperiod on the Development of Forensically Important Blow Fly Chrysomya rufifacies (Diptera: Calliphoridae)
Going Beyond Counting First Authors in Author Co-citation Analysis
The 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
“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
Persistence and significance of E. Coli in house flies (Musca Domestica) and stable flies (Stomoxys Calcitrans)
ix, 89 leaves ; 28 cm.The persistance of Escherichia coli in the larval, pupal and adult stages of both house flies, Musca domestica (L.), and stable flies, Stomoxys calcitrans (L). was examined. Abundance of E.coli declined over time in immature house flies, but remained constant in immature stable flies, suggesting house fly larvae digest E. coli but stable fly larvae do not. Survival of house fly and stable fly larvae averaged 62% and 25% respectively when reared on pure E. coli cultures. E. coli load in pupae decreased significantly one day before emergence of adult house flies, but remained constant until stable fly emergence. Nevertheless, E. coli was detected in 78% of emerging house flies and in 28% of emerging stable flies. House flies are more important E. coli vectors as adults, whereas stable flies may be overlooked vectors of E. coli during immature development
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