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Pseudoterpna pruinata (Hufnagel, 1767)


Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Male (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Female (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Female (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Female (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Female (e.l. rearing SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: The moths are very variable, there are also brownish individuals. Furthermore the colours fade quickly (e.l. rearing, SE-France, Haute-Provence, larva in May 2008). [S] Pseudoterpna pruinata: Hibernating larva (Switzerland, Ticino, Isone, March 2012) [S] Pseudoterpna pruinata: Hibernating larva (Switzerland, Ticino, Isone, March 2012) [S] Pseudoterpna pruinata: Young larva after hibernation (Switzerland, Ticino, Isone, March 2012) [S] Pseudoterpna pruinata: Half-grown larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Half-grown larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern black forest, May 2011) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern black forest, May 2011) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern black forest, May 2011) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern black forest, May 2011) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern black forest, May 2011) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [M] Pseudoterpna pruinata: Larva (SW-Germany, northern Upper Rhine Valley, late April 2018) [N] Pseudoterpna pruinata: Larva (S-France, Haute-Provence, May 2008) [S] Pseudoterpna pruinata: Pupa (e.l. rearing, SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Pupa (e.l. rearing, SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Pupa (e.l. rearing, SW-Germany, northern Upper Rhine Valley, larva in late April 2018) [S] Pseudoterpna pruinata: Pupa (e.l. rearing, SE-France, Haute-Provence, larva in May 2008) [S] Pseudoterpna pruinata: Typical larval habitat with Cytisus scoparius (SW-Germany, northern Upper Rhine Valley, late April 2018) [N] Pseudoterpna pruinata: Typical larval habitat with Cytisus scoparius (SW-Germany, northern Upper Rhine Valley, late April 2018) [N]

Host plants:
The larvae usually feed on Cytisus scoparius, but occasionally also other broom species (e.g. Genista sagittalis, Chamaecytisus sp.)

Habitat:
Pseudoterpna pruinata colonizes broom-rich locations such as acidic mountain pastures, sandy heathland and open woodland.

Life cycle:
The caterpillar overwinters and is mature in late April and May. The moths fly in one or two generations from late May to September.

Endangerment factors:
Broom heathland were considered worthless wasteland and converted largely into more lucrative conditions (intensification, asparagus fields, overbuilding etc.). In southern Europe the conditions are a little better and there (as in Provence) Pseudoterpna pruinata is still more common.

Remarks:
Pseudoterpna pruinata is widespread in Europe (except N-Scandinavia) and western Asia to Sibiria.


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(Geometridae)

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