![Hemistola chrysoprasaria: Adult (e.l. Dettenheim, Upper Rhine, May 2011) [S] Hemistola chrysoprasaria: Adult (e.l. Dettenheim, Upper Rhine, May 2011) [S]](thumbs/geometridae/chrysoprasaria_f2011.jpg) 
 ![Hemistola chrysoprasaria: Adult (e.l. Dettenheim, Upper Rhine, May 2011) [S] Hemistola chrysoprasaria: Adult (e.l. Dettenheim, Upper Rhine, May 2011) [S]](thumbs/geometridae/chrysoprasaria_2f2011.jpg) 
 ![Hemistola chrysoprasaria: Young larva (Iller near Memmingen, September 2010) [M] Hemistola chrysoprasaria: Young larva (Iller near Memmingen, September 2010) [M]](thumbs/geometridae/chrysoprasaria_rpe2011.jpg) 
 ![Hemistola chrysoprasaria: Young larva (Iller near Memmingen, September 2010) [M] Hemistola chrysoprasaria: Young larva (Iller near Memmingen, September 2010) [M]](thumbs/geometridae/chrysoprasaria_2rpe2011.jpg) 
 ![Hemistola chrysoprasaria: Larva (Dettenheim, May 2011) [S] Hemistola chrysoprasaria: Larva (Dettenheim, May 2011) [S]](thumbs/geometridae/chrysoprasaria_3rpe2011.jpg) 
 ![Hemistola chrysoprasaria: Larva (Northern Greece, May 2011) [S] Hemistola chrysoprasaria: Larva (Northern Greece, May 2011) [S]](thumbs/geometridae/chrysoprasaria_4rpe2011.jpg) 
 ![Hemistola chrysoprasaria: Larva (Northern Greece, May 2011) [S] Hemistola chrysoprasaria: Larva (Northern Greece, May 2011) [S]](thumbs/geometridae/chrysoprasaria_5rpe2011.jpg) 
 ![Hemistola chrysoprasaria: Pupa dorsal [S] Hemistola chrysoprasaria: Pupa dorsal [S]](thumbs/geometridae/chrysoprasaria_ppe2011.jpg) 
 ![Hemistola chrysoprasaria: Larval habitat at the river Iller near Memmingen (September 2011) [N] Hemistola chrysoprasaria: Larval habitat at the river Iller near Memmingen (September 2011) [N]](thumbs/geometridae/chrysoprasaria_h2011.jpg) 
 Host plants:
The caterpillar lives on Clematis vitalba (Ranunculaceae), and occasionally other species of Clematis.
Habitat:
Hemistola chrysoprasaria inhabits riparian forests, thickets, forest edges and other areas with Clematis.
Life cycle:
The young caterpillar overwinters. I found them near the river Iller near Memmingen in September 2010. In winter, the caterpillar is resting freely on twigs. It is fully-grown in May or early June. The moths fly mostly from June to August, rarer still in early September. Eggs are laid in small turrets at the food plant.
Remarks: 
Hemistola chrysoprasaria is distributed from Northwest Africa across Europe and most of temperate Asia.