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Sometimes called the Giant Ichneumon, this black and yellow/white banded species has orange legs and is the largest ichneumon in Britain and one of the largest in Europe. It grows to around 40mm in length and females have another 40 mm ovipositor on top.
It is normally found in coniferous or mixed woodland
Peaking in July and August
It searches for the larvae of Horntails or Longhorn Beetles which have buried in fallen timber. The female then uses her ovipositor to drill down to the larvae and then lay an egg which hatches and parasitize the poor host.
Local but fairly frequent and widespread in Britain
Fairly frequent but not common in Leicestershire and Rutland.
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