Predatory mites of the family Phytoseiidae (Acari: Mesostigmata) in Danube Delta Biosphere Reserve (Romania)

In Romania, phytoseiid mites was notified sporadically with the occasion of some ecological works referring to the whole Mesostigmata. Seven years of investigations carried out in Danube Delta Biosphere Reserve led to the identification of 12 species belonging to the family Phytoseiidae (Acari: Mesostigmata) namely Amblyseius merid-ionalis Berlese, A.obtusus (Koch) sensu Karg, A. terreus Kolodochka, Graminaseius graminis (Chant), Neoseiulus alpinus (Schweizer), N. cinctutus (Livshitz & Kuznetsov), N. extricatus (Kolodochka), N. tervus Meshkov, Proprioseiopsis messor (Wainstein), P. scurra (Wainstein & Beglyarov), Transeius macrospermathecus Papadoulis, Emmanouel & Kapaxidi, Typhlodromus (Anthoseius) kerkirae Swirski & Ragusa. With the exception of A. meridionalis and A. obtusus the rest of the species are reported for the first time from Romania.