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https://www.selleckchem.com/products/az32.html The North American fauna of Drymeia Meigen was studied. Four new species are described (Drymeia hucketti sp. nov., Drymeia ponti sp. nov., Drymeia vockerothi sp. nov., Drymeia woodorum sp. nov.), and three new synonymies are proposed Drymeia amnicola (Huckett, 1966) (= Drymeia rivalis (Huckett, 1966), syn. nov.); Drymeia glacialis (Rondani, 1866) (= Drymeia alpicola (Rondani, 1871), syn. nov.); and Drymeia spinitarsis (Aldrich, 1918) (= Drymeia longiseta Sorokina & Pont, 2015, syn. nov.). An annotated checklist, DNA barcodes (when available), and keys for each sex of the 24 named species of North American Drymeia are provided. The utility of DNA barcodes for the identification of Drymeia species across a wide geographical range was explored using sequences from five countries. A match between morphology and DNA barcodes was found for 71% (22/31) of species studied (including three unnamed taxa). The remaining nine species clustered into two groups of taxa with very little interspecific variation within clusters (groups of two and seven species). Caution is advised against using DNA barcoding as the only determination tool for Drymeia material without prior knowledge of its limitations for certain species groups.Biodiversity has been declining and extinction rates have been exponentially increasing because of land use changes, invasion of exotic species, nutrient enrichment and climate change. In this scenario, many international networks such as the International Union for the Conservation of Nature have been making efforts to raise conservation awareness and preserve species and their habitats in many countries. The relict longhorn beetle Callipogon relictus Semenov, 1899 (Coleoptera Cerambycidae) is the largest coleopteran species in the Palearctic region and has a unique distribution compared to its congeneric species. Callipogon relictus has been protected by two Korean laws since it was designated as a Korean Natur

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