none Trichogramma zahiri Polaszek sp. n. is described from Bangladesh. It has been collected at several localities from the major pest of rice Dicladispa armigera (Olivier) on which it has an important controlling impact. Trichogramma zahiri is compared with known Trichogramma species from the region, and diagnostic differences are presented. Data on developmental period, adult longevity, egg-laying frequency, host egg age preference and seasonal parasitism rate are presented and discussed. Other records of parasitoids of D. armigera are briefly reviewed and discussed. Systematics; Nomenclature; New taxa; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Land and freshwater zones; Oriental region Dicladispa armigera (Chrysomelidae); Hymenopteran parasites; Host parasite records, review; Scutibracon hispae; New host record; Trichogramma zahiri; New parasite species; Bangladesh; New hymenopteran parasite record; New hymenopteran parasite species Hymenoptera; Coleopteran hosts; Dicladispa armigera; Host parasite records, review Scutibracon hispae (Braconidae); Coleopteran hosts; Dicladispa armigera; Bangladesh; New record Trichogramma zahiri (Trichogrammatidae); Coleopteran hosts; Dicladispa armigera; Bangladesh; New species from coleopteran host Trichogramma zahiri Polaszek 2002 (Trichogrammatidae); Sp nov; Bangladesh; Parasite of Dicladispa armigera (Coleoptera), p. 530