Pityogenes Chalcographus ('Ipidae’): Life History

Synopsis: Spruce bark beetle. On a spruce a male ‘Pityogenes chalcographus’ is looking for a suitable place for boring; it bores a mating chamber in the bark. Although the male resists, several females force their way into the mating chamber. They copulate with the male and bore side galleries with niches for the eggs. The laying of eggs, feeding of the larvae, pupation, imaginal hatching are shown. Having eaten enough to mature, the mature beetle bores an opening and leaves the bark.
Language: English
Country: Germany
Medium: Video; Videocassette. VHS. st. col. 23 min.
Year of production: 1979
Availability: Sale; 1995 sale: £25.00 (+VAT +p&p)
Subjects: Biology
Keywords: beetles; insects

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