Medetera parenti Stackelberg, 1925

(Fig. 7)

Material examined. Bohemia: Hradec (6344), abandoned quarry (upper margin), 49°38′18″N 13°6′53″E, 380 m, Populus, 10.viii.2020, 2 ♁♁ 1 ♀ (MCH) . Nemanice, SW of (6542), Nemanický potok (stream) env., 49°25′41″N 12°42′38″E, ca 500 m, Populus, 2.ix.2021, 1 ♁ (MCH) ; ditto, 23.ix.2021, 1 ♀ (MCH); ditto, 27.ix.2021, 1 ♀ (MCH) . Postřekov (6542), 49°26′60″N 12°49′39″E, Postřekovské rybníky NR, 400 m, Prunus, 16.vi.2020, 1 ♁ 2 ♀♀ (MCH) ; ditto, Populus, 8.vii.2021, 3 ♀♀ (MCH) ; ditto, Populus, 1.ix.2021, 2 ♁♁ 1 ♀ (MCH) .

Moravia: Bělá (6074), 49°58′25″N 18°9′06″E, 245 m, abandoned sandpit, Populus, 12.vii.2022, Z. Kejval lgt., 6 ♁♁ 2 ♀♀ (MCH, SMOC) . Kostelní Myslová, 1.5 km W (6858), Hulišťata, 49°09′01″N 15°24′34″E, 530 m, Populus, netted around cut trunk, 6.vii.2015, J. Roháček lgt., 2 ♀♀ (SMOC) .

Distribution. Belgium, Estonia, Finland, Great Britain, Hungary, Norway, Russia, Sweden, Switzerland (Negrobov & Naglis 2016) and Czech Republic (present paper).

Status in CZ. The first records are given herein.

Ecology. Medetera parenti has been collected on trunks of different kinds of deciduous trees in marshland habitats (M. Pollet, unpubl. data). The new records presented above originate almost exclusively from aspen ( Populus tremula).