Noctua interposita (Hübner, 1790)


Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016)  [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva in late March 2016) [S] Noctua interposita: Adult (e.l.  rearing, Germany, Thuringia, Kyffhäuser mountains, larva in April 2016) [S] Noctua interposita: Young larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Young larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Half-grown larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Half-grown larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Half-grown larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Half-grown larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Half-grown larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [M] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Larva (e.l. Germany, Kyffhäuser, larva found 10. April 2016) [S] Noctua interposita: Larva (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [S] Noctua interposita: Pupa (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva found in late March 2016) [S] Noctua interposita: Pupa (e.l. rearing, Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, larva found in late March 2016) [S] Noctua interposita: Larval habitat in a sandy pine forest (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [N] Noctua interposita: Larval habitat in a sandy pine forest (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [N] Noctua interposita: Larval habitat in a sandy nutrient-poor grassland in a pine forest (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [N] Noctua interposita: Larval habitat in a sandy nutrient-poor grassland in a pine forest (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [N] Noctua interposita: Larval habitat in a sandy nutrient-poor grassland (Germany, Brandenburg, Nuthe-Urstromtal, vicinity of Heidehof-Golmberg, late March 2016) [N] Noctua interposita: Larval habitat (Germany, Kyffhäuser, 10. April 2016) [N]

Host plants:
According to own experiences the larvae feed almost only on grasses (especially Poaceae like Poaceae wie Dactylus, Avenella flexuosa, Arrhenaterum, Corynephorus, Festuca), despite their general polyphagous disposition.

Habitat:
Noctua interposita inhabits nutrient-poor grasslands (often on sandy, but also calcareous soil), dunes, grassy edges in open pine forests on sand, grassy rocky slopes, dry fallowland and similar places.

Life cycle:
The larvae hibernate small. They are also active during mild weather in winter. They are usually mature between April and May (in the south presumably already in March). I recorded many larvae (>30 individuals) in different instars (from small to last instar, mostly half-grown) in E-Germany (Brandenburg, Nuthe-Urstromtal, Heidehof-Golmberg) by searching in grass tussocks and denser ground vegetation during the day. I also found a larva in the last instar in Thuringia (Kyffhäuser mountains, 10. April 2016). The larvae are active only at night after hibernation (from February/March) and hide in the ground vegetation during daytime. The moths fly between late May or June and September.

Remarks:
Noctua interposita occurs in Southern and parts of Central Europe as well as in similar climatic regions of Asia. In Germany it is expanding its range, but has its strongholds still mor in the East and North.



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