We investigated the usefulness of mitochondrial cytochrome c oxidase (COI) DNA barcoding of the genus Bradysia for the detection of immature stages and cryptic species complex. Although the larvae of some species in this genus are agricultural pests, immature stages are rarely identified due to the lack of key morphological characteristics. We constructed partial sequences of the COI gene for 25 species of Bradysia as a first step towards a DNA barcode. Using these data, Bradysia impatiens, B. procera and B. peraffinis were identified from larval specimens collected, respectively, from paprika, ginseng and oak sawdust beds used for cultivating shiitake. Our findings reveal a complex of three species within the B. tilicola group. These species were all identified as important pest B. ocellaris based on the morphology of male genital structures; however, the interspecific genetic divergence of the COI region was significantly greater (16.1–19.4%) than the intraspecific variation in each species. Therefore, B. ocellaris may consist of at least three species. The results demonstrate that COI DNA barcodes are useful for Bradysia species identification.
Corynoptera Winnertz, s. str., is defined. In the Holarctic region it includes 123 species. The species are diagnosed and keyed, and distribution data are given. The following 50 new species are described: Corynoptera adustula (Nepal), C. aequispina (Canada: Quebec), C. alneti (Europe, Canada: British Columbia), C. andalusica (Spain, Greece), C. angustior (W Europe), C. anodon (Japan), C. badia (Italy), C. caesula (Spain), C. collicola (Japan), C. condyloma (Japan), C. controversa (Russia: Primorsk region), C. curvapex (Japan), C. decepta (Russia: Primorsk region), C. digemina (Japan), C. dioon (Nepal), C. distenta (Japan), C. exerta (Russia: Primorsk region), C. fimbriata (Japan), C. flava (Germany, Sweden), C. gemellata (Czech Republic), C. iberica (Spain), C. inclinata (Morocco), C. latibula (Spain), C. lobata (Japan), C. micula (Japan), C. minax (Japan), C. ninae (Finland), C. pacifica (USA: California), C. paracantha (Japan), C. patula (W Europe, Sri Lanka), C. phili (Canada: Ontario, Quebec), C. plusiochaeta (Finland, Sweden, USA: Alaska), C. primoriensis (Russia: Primorsk region), C. redunca (Canada: Quebec), C. romana (Italy), C. serotina (Spain), C. sinedens (Japan), C. sphaerula (Japan), C. spiciceps (Morocco), C. spicigera (Nepal), C. stellaris (Austria, Germany), C. subclinochaeta (Germany, Greece, Russia: Krasnodar region), C. tarda (Russia: Altay region), C. trichistylis (Canada: British Columbia), C. truncatula (Spain), C. tumidula (Finland, Sweden), C. umbrata (Greece, Spain), C. uncinula (Canada, Russia: Yamal Peninsula), C. undulosa (Italy, Portugal, Spain), and C. vulcani (Spain: Canary Islands). The status of C. consumpta (Freeman, 1987), C. defecta (Frey, 1948), C. dubitata Tuomikoski, 1960 and C. arboris Fritz, 1982, is restored as valid species, whereas the following species are regarded as junior synonyms: C. bisulca Mohrig & Mamaev, 1987 = C. bipartita Mohrig & Krivosheina, 1985, C. fritzi Mohrig & Rulik, 2001 = C. triacantha Tuomikoski, 1960, C. praepiniphila Mohrig & Dimitrova, 1992 = C. alticola (Kieffer, 1919), C. simonae Rudzinski, 1992 = C. macricula Mohrig & Krivosheina, 1986 and C. spungisi Mohrig & Krivosheina, 1985 = C. irmgardis (Lengersdorf, 1930). Lectotypes are designated for C. dubitata Tuomikoski, 1960, C. gymnops Tuomikoski, 1960, C. inexspectata Tuomikoski, 1960, C. levis Tuomikoski, 1960, C. saccata Tuomikoski, C. sphenoptera Tuomikoski, 1960, C. tetrachaeta Tuomikoski, 1960, and Bradysia pachycerca Frey, 1948.
We present a summary and analysis of the Diptera-related information published in Zootaxa from 2001 to 2020, with a focus on taxonomic papers. Altogether, 2,527 papers on Diptera were published, including 2,032 taxonomic papers and 1,931 papers containing new nomenclatural acts, equivalent to 22% of all publications with new nomenclatural acts for Diptera. The new nomenclatural acts include 7,431 new species, 277 new genera, 2,003 new synonymies, and 1,617 new combinations. A breakdown by family of new taxa and new replacement names proposed in the journal during the last two decades is provided, together with a comparison of Zootaxa’s output to that of all other taxonomic publications on Diptera. Our results show that the journal has contributed to 20% of all biodiversity discovery in this megadiverse insect order over the last 20 years, and to about 31% in the last decade.
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