rod williams's picture

Female Sawfly Tenthredo atra?

Observed: 13th October 2012 By: rod williamsrod williams’s reputation in Invertebratesrod williams’s reputation in Invertebratesrod williams’s reputation in Invertebratesrod williams’s reputation in Invertebrates
_MG_7721-Edit
Description:

Moving about on bramble

Identifications
  •  
    Likely ID
    Cryptinae
    Confidence: I'm as sure as I can be.
Species interactions

No interactions present.

Comments

Martin Harvey's picture

parasitic wasp

The antennae have lots of segments, which rules out most sawflies and suggests an ichneumon or related type of parasitic wasp. The ovipositor at the tip of the abdomen is longer than any sawfly would have.

Most sawflies have nine or fewer antennal segments; the few exceptions can have up to 23 segments but in that case they are distinctly segmented or feathered, as far as I know.

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Entomologist and biological recorder

rod williams's picture

Ichneumon/Parasitic wasp

Many thanks. This seems to be a tricky one. A relative of Amblyteles armatorius perhaps?

rodwilliamsphotography.co.uk

rodcwilliams@btinernet.com

rod williams's picture

Ichneumon ID

Many thanks for the comprehensive notes. (I have since posted an image of what I believe may be Tenthredo atra - my first inaccurate suggestion for this species.)

rodwilliamsphotography.co.uk

rodcwilliams@btinernet.com