Multidendrolaelaps trispinosus sp. n. is similar to M. ulmi, females, males and nymphs of the new species sharply differ in the presence, apart of Pl₄, incrassed M₉ and Pl₅. M. inconstans sp. n. is similar to M. tetraspinosus, ...

Morphological peculiarities of the genus Polyipnicola Mamaev et Paruchin, 1975, are considered with reference to systematics, a new diagnosis is given. Diclidophora sprostonae Martin, 1973 and Myctophiphilus arabicus Mama ...

Urophora volkovae sp. n.- similar to U. christophi and U. egestata Hering; from all species without wing crossband differs in an indistinct area covered with dark microtrichia in apical third of the wing; type locality: ...

D. imparilis sp. n. allied to Macedonian D. minutissimus sensu Petkovski (1954) comb. n. and Japanese D. yezoensis comb. n. (pro Speocyclops yezoensis Ito, 1954) by characters of P₅, endopod P₄, furcal rami, anal operculum ...