Abstract:Vockerothempissubgen. nov., a new subgenus of Rhamphomyia, is described and includes the following species: Rhamphomyia (Vockerothempis) arakawae Matsumura, Rhamphomyia (Vockerothempis) calcarifera Saigusa, and Rhamphomyia (Vockerothempis) japonica Frey from Japan, and Rhamphomyia (Vockerothempis) umbrosa Loew, Rhamphomyia (Vockerothempis) brevisetosasp. nov., Rhamphomyia (Vockerothempis) chillcottianasp. nov., and Rhamphomyia (Vockerothempis) fortisetosasp. nov. from North America. Zoogeography, phylogenetic … Show more
“…already well documented in the Empidoidea (Sinclair et al 2011;Saigusa 2012). An Asio-Nearctic disjunct distribution is also known within the parathalassiine genus Thalassophorus .…”
The Nearctic species of Parathalassius Mik are revised and the world species are reviewed. Twelve species are recorded from the Nearctic Region including nine new species: P. abela sp. nov., P. aldrichi Melander, P. candidatus Melander, P. dilatus sp. nov., P. infuscatus sp. nov., P. melanderi Cole, P. midas sp. nov., P. sinclairi sp. nov., P. socali sp. nov., P. susanae sp. nov., P. uniformus sp. nov., and P. wheeleri sp. nov. Lectotype designations are made for P. aldrichi Melander and P. melanderi Cole. A key to the 15 world species is provided and the distributions of the Nearctic species are mapped. COI mitochondrial DNA barcode sequences were obtained for 12 species of Parathalassius. A morphological phylogenetic analysis of the included species is presented and known ecological information is summarized.
“…already well documented in the Empidoidea (Sinclair et al 2011;Saigusa 2012). An Asio-Nearctic disjunct distribution is also known within the parathalassiine genus Thalassophorus .…”
The Nearctic species of Parathalassius Mik are revised and the world species are reviewed. Twelve species are recorded from the Nearctic Region including nine new species: P. abela sp. nov., P. aldrichi Melander, P. candidatus Melander, P. dilatus sp. nov., P. infuscatus sp. nov., P. melanderi Cole, P. midas sp. nov., P. sinclairi sp. nov., P. socali sp. nov., P. susanae sp. nov., P. uniformus sp. nov., and P. wheeleri sp. nov. Lectotype designations are made for P. aldrichi Melander and P. melanderi Cole. A key to the 15 world species is provided and the distributions of the Nearctic species are mapped. COI mitochondrial DNA barcode sequences were obtained for 12 species of Parathalassius. A morphological phylogenetic analysis of the included species is presented and known ecological information is summarized.
“…In an attempt to obtain a better overview of the diversity of the two genera several subgenera have been established. However, there is no clear number on how many subgenera there are but approximately 24 are given for Empis and 18 for Rhamphomyia (Chvála 1994;Poole and Gentili 1996;Yang et al 2007;Saigusa 2012;Evenhuis and Pape 2019).…”
The genera Empis Linneus, 1758 and Rhamphomyia Meigen, 1822 (Empidoidea, Empididae Latreille, 1809) are two large genera of flies commonly named dagger flies. They are widely distributed in the world with most species described from the Palearctic Region. Empis comprises about 810 described species and Rhamphomyia comprises about 610 described species, together they represent one third of the known species diversity in Empididae. Two recent studies on the phylogeny of the two genera using Sanger sequencing on a few genetic markers, did not support monophyly of them. In this study high throughput sequencing of target enriched molecular data of ultraconserved elements or UCEs was used to investigate the phylogenetic relationships of included representatives of the genera. This method has proven useful on old and dry museum specimens with high amounts of degraded DNA, which was also tested herein. For this purpose, a commercially synthesized bait kit has previously been developed for Diptera which this study was the first one to test. Three out of nine old and dry museum specimens were successfully sequenced, one with an age of at least 154 years. Higher DNA concentration yielded a greater number of reads. Analyses conducted in the study confirmed that both Empis and Rhamphomyia are non-monophyletic.
“…Almost 600 species, distributed mostly in the Northern Hemisphere have been described worldwide (Yang et al 2007; Barták 2007; Barták et al 2007; Barták and Kubík 2008a, b, c, 2009, 2010, 2012; Saigusa 2012; Barták et al 2014), but many more await description.…”
Palaearctic species of the Rhamphomyia (Pararhamphomyia) anfractuosa group are revised. Rhamphomyia (Pararhamphomyia) biflexata
sp. n., Rhamphomyia (Pararhamphomyia) lineodorsata
sp. n., Rhamphomyia (Pararhamphomyia) nudiscutellata
sp. n., and Rhamphomyia (Pararhamphomyia) shatalkini
sp. n. (all from Russian Far East) are described and illustrated. A key to Palaearctic species of the Rhamphomyia (Pararhamphomyia) anfractuosa group is provided.
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