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New record of Coomansus venezolanus (Loof, 1964) Jairajpuri & Khan, 1977 (Mononchida: mononchidae) for Vietnam with first description of a male

Coomansus venezolanus (Loof, 1964) Jairajpuri & Khan, 1977 from Cao Loc, Lang Son province is described and illustrated and represents a new record for Vietnam. The species is characterized by its body size, 1.9-2.1 mm long, a strongly sclerotized buccal cavity with apex of dorsal tooth situated at 26-30% of buccal cavity length from anterior end and vulva at 60-64% of body length from anterior end. | New record of Coomansus venezolanus (Loof, 1964) Jairajpuri & Khan, 1977 (Mononchida: mononchidae) for Vietnam with first description of a male