A new unique species of Mucroseius Lindquistı 1962 (Acari: Mesostigmata: Melicharidae) mites associated with sawyer beetles (Cerambycidae: Monochamus Dejeanı 1821) from the Palaearctic Region Author Trach, Viacheslav A. Author Khaustov, Alexander A. Author Lindquist, Evert E. text Journal of Natural History 2019 2019-05-15 53 13 761 778 journal article 10.1080/00222933.2019.1606954 9cf94947-8031-4d78-8891-f9ff2f42e384 1464-5262 3675600 Genus Mucroseius Lindquistı 1962 Type species: Mucroseius monochami Lindquistı 1962 ı by original designation and monotypy. Diagnosis. The genus diagnoses of Lindquist and Wu (1991) and Moraes et al. (2016) were followedı except for the mandatory presence of distal flangelike process (mucro) of the fixed chela (see discussion).