Revision of the West Palaearctic species of the genus Agathis Latreille (Hymenoptera: Braconidae: Agathidinae) G. Simbolotti & C. van Achterberg Simbolotti, G. & C. van Achterberg. Revision of the West Palaearctic species of the genus Agathis Latreille (Hymenoptera: Braconidae: Agathidinae). Zool. Verh. Leiden 325, 25.vi.1999: 1-167, figs 1-319.— ISSN 0024-1652/ISBN 90-73239-70-2. G. Simbolotti, Universitá degli Studi dell' Aquila, Dipartimento di Scienze Ambientali, Facoltà di Scienze, Localita Coppito, 1-67100 I'Aquila, Italy. C. van Achterberg, Nationaal Natuurhistorisch Museum, Afdeling Entomologie (Hymenoptera), Postbus 9517, 2300 RA Leiden, The Netherlands (e-mail:
[email protected]). Key words: Braconidae; Agathidinae; Agathis; Bassus; Europe; North Africa; West Palaearctic; biology; distribution; key. The West Palaearctic species of the genus Agathis Latreille, 1804 (Braconidae: Agathidinae) are revised and keyed. Forty-six species of Agathis are treated as valid, of which 29 occur in Europe; three species of the former Agathis mediator group (Bassus brevicaudus (Reinhard, 1867) comb. nov., B. mediator (Nees, 1814), and B. pumilus (Ratzeburg, 1844)) are transferred to the genus Bassus Nees, 1804. One new species (A. hemirufa) from Spain is described. The following species are synonymised: Agathis longi- cauda Kokujev, 1895, A. albanica Fischer, 1957, A. syriaca Fischer, 1957, A. caucasica Tobias, 1963, and A. taiwanensis Chou & Sharkey, 1989, with A. anglica Marshall, 1885; A. propinqua Kokujev, 1895, A. jakowlewi Kokujev, 1895, and A. anchisiades Nixon, 1986, with A. assimilis Kokujev, 1895; A. achterbergi Nixon, 1986, with A. breviseta Nees, 1814; A. schmiedeknechti Kokujev, 1895, A. meridionellae Fischer, 1957, A. albicostellae Fischer, 1966, and A.