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Pityogenes chalcographus (Ipidae) - Entwicklung des Brutsystems   [Other Title]

Pityogenes chalcographus (Ipidae) - Development of the Breeding System   [Title Translation]
Année de production: 1981, 1984
Genre: Documentary Film
Lieu de tournage: n/a

Générique:
Production company: IWF (Göttingen)
First released by: IWF (Göttingen)
Distributor: IWF (Göttingen)
Author: Gerhard Gries


Mot-clés: Bohrmehl, Borkenkäfer, Brutsystem, Insecta, Insecta, Ipidae, Kupferstecher, Pityogenes chalcographus, Schlüpfen, Verpuppung, bork beetle, breeding system, eclosion (emergence), frass, Insecta, Insecta, pupation, six-toothed spruce bark-beetle
A female six-toothed spruce bark-beetle, attracted by the bore meal crumbs (frass) containing pheromones, finds a male's borehole and crawls into it. Six females each gnaw a central gallery, the hatched larvae chew larval galleries perpendicular to the central gallery. Pupation and emergence of the young beetles follow. (Time-lapse photography). The juvenile beetles gnaw a hole outwards through the bark and fly away.

Version 1
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Durée: 3 min

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Version 2
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Durée: 3 min

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Version 3
Langue: NULL
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Durée: 3 min

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