Title Stigmaeus hashtrudiensis, a new species of the genus Stigmaeus(Acari: Trombidiformes: Stigmaeidae) from Northwest Iran Type JournalPaper Keywords Not Registered! Abstract Not Registered! Researchers Moosa Saber (Fourth Researcher), Gholamhosein Gharekhani (Third Researcher), (Second Researcher), Mohammad Bagheri (First Researcher)