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[Tokunagaia obriaini-a new species of Orthocladiinae (Diptera: Chironomidae) from Northwest Territories, arctic Canada, A revision of the genus Xestia subg. Pachnobia (Lepidoptera: Noctuidae), with descriptions of two new subspecies]

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[The taxonomy, phylogeny and zoogeography of the six species and thirteen subspecies of the subgenus Pachnobia known from the Holarctic region are reviewed. Two new subspecies of Xestia lorezi (Staudinger) are described: X. l. katuna Mikkola from Altai Mtns., USSR and X. l. ogilviana Lafontaine from Yukon, Canada; the taxa sajana Tschetverikov and kongsvoldensis Grönlien are treated as subspecies of X. lorezi. Nine species-group names and two genus-group names are placed in synonymy. Five taxa are assigned a new status and one is listed as a new combination. Eight lectotypes are designated. Xestia lorezi and X. kolymae (Herz) are reported from the Nearctic region for the first time and X. okakensis (Packard) is reported for the first time in the Palaearctic region. Illustrations of adults and male and female genitalia, and range maps, are given for each species., A new species of Chironomidae, Tokunagaia obriaini, is described in the adult and pupal stages. The species is known from Northwest Territories, Canada, and has been recorded on Ellesmere, Baffin and Bathurst Islands.]


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