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Of the 9 known species of Phylocentropus Banks (Trichoptera: Dipseudopsidae), 5 are found in eastern North America, 1 in Japan, and 3 in Southeast Asia. Three new species of this genus: Ph. tohoku, Ph. ngoclinh, and Ph. anas from Vietnam are described and illustrated herein. Previously, only 1 species, Ph. vietnamellus Mey 1995, was known from this country.