Notodonta Ochsenheimer, 1810
tritophus (Denis & Schiffermüller, 1775)
haapanirkko, balsampoppeltandvinge, the Three-humped Prominent, Espen-Zahnspinner
Finland, EH: Hämeenkoski (Koski Hl), ex ovo May 1984, Leg: J. Silvonen
Photo: 26 June 1984 © Kimmo Silvonen