A review of the genus (Hymenoptera, Diapriidae) in Germany with taxonomic notes on this genus and its distinction from .

This study provides a comprehensive overview of the genus Förster combining DNA barcoding and current morphology. Nineteen species of were found throughout Germany, including the newly described species First species records for Germany are: Macek, 1997; Macek, 1997; (Kieffer, 1908); Macek, 1997; Macek, 1997 and Nixon, 1957. We also clarify diagnoses for the two related genera, Förster and to designate the boundaries of the genus and propose new synonymies: Buhl, 1997 is a junior synonym of (Zetterstedt, 1840); Kozlov, 1978 is a junior synonym of (Curtis, 1831). Thirteen species of sensu Nixon (1957) are transferred to the genus with the following new combinations proposed: (Kieffer, 1908) (= (Kieffer, 1909), ); (Kieffer, 1908) (= (Kieffer, 1908), .); (Kieffer, 1908) (= (Kieffer, 1908), ); (Kieffer, 1908) (= (Kieffer, 1908), ); (Thomson, 1858) (= (Thomson, 1858), ); (Thomson, 1858) (= (Thomson, 1858), v.); (Thomson, 1858) (= (Thomson, 1858), ); (Kieffer, 1909) (= (Kieffer, 1909), .); (Kieffer, 1907) (= (Kieffer, 1907), .); (Kieffer, 1909) (= (Kieffer, 1909), .); (Thomson, 1858) (= (Thomson, 1858), .); (Kieffer, 1909) (= (Kieffer, 1909), ), and (Kieffer, 1908) (= (Kieffer, 1908), ).