Neoseiulus Hughes is one of the most diverse genus Phytoseiidae, with approximately 400 described species. Among them, tunus (De Leon) very frequent and abundant in Neotropical region. Although considerable amount data about morphological variation phytoseiid mites are available, possible causes intraspecific variations still poorly understood, being diet feeding habit usually reported as main ...

Paragigagnathus sistaniensis Kreiter, Arjmandi-Nezhad and Saboori n. sp. belongs to the tribe Neoseiulini, subfamily Amblyseiinae, is described illustrated, based on females males. The new species was collected from foliage of tamarisk trees in Sistan region, Baluchestan province, southeastern Iran.