Authors: WOJCIECH NIEDBALA
Abstract: In samples collected in 2012 at the palm house in Poznan, 5 species of ptyctimous mites were found; 3 of them were native species (Mesotritia nuda, Euphthiracarus cribrarius, Acrotritia ardua) and 2 were exotic species, pantropical Microtritia tropica and neotropical Phthiracarus phoxos. In the samples from the palm house in Lodz, 3 species were found; 2 of them were known from the palm house in Poznan (Acrotritia ardua and Phthiracarus ferrugineus), and the third has not been reported from Poland before: the very rare species Mesoplophora michaeliana, known so far from the southern part of the Western Palearctic. Some juvenile stages of Mesoplophora (M.) michaeliana and Mesotritia nuda are also described.
Keywords: Acari, Oribatida, ptyctimous mites, juvenile stages, palm houses, Poland
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