75. Medetera ambigua (Zetterstedt, 1843) (Medeterinae) — new to Portugal (Figs 4G, 8D) Number of specimens recorded. 9. Distribution. Europe, in the south only recorded from Italy. Portugal: one province in the north (Beira Litoral) and one in the south (Baixo Alentejo). Ecology. Nearly all of the Portuguese specimens were collected on the trunk of Quercus suber along a small stream running through a Q. suber montado, and one specimen on a chestnut tree trunk in dry mixed forest. Its habitat preference in Europe is poorly known, but also there it has been collected regularly on tree trunks. Rarity (%). 2.3 (rare). Activity period. April–May.