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Hoverflies (Syrphidae), tribe Eristalini

Moderate to large hoverflies, bee or bumble-bee like. Larvae live in organic rich water.


Eristalis arbustorum (Linnaeus, 1758)

Eristalis arbustorum
  • Cambridge: 29 Jun 2002
  • Length: 7mm
  • A pale specimen with distinctive shape of the orange markings. Other specimens are dark without the markings.
  • All tarsi dark.
  • No face stripe on live insects.


Eristalis intricarius (Linnaeus, 1758)

Eristalis intricarius
  • Cambridge: 5 May 2001
  • A notable bumble-bee mimic (but not to any particular bee)
  • Legs partly pale unlike Merodon spp.
  • Dark crescents on wings also distinctive.


Eristalis pertinax (Scopoli, 1763)

Eristalis pertinax
  • Cambridge: 4 Oct 2000; Female
  • Generally similar to E. tenax below (amount of orange varies) with:
  • 1st & 2nd tarsi orange-brown
  • Eyes bare
  • Face generally dark with no sharply defined stripe.


Eristalis tenax (Linnaeus, 1758)

Eristalis tenax
  • Cambridge: 24 Sep 2000; Female
  • Generally similar to E. pertinax above (amount of orange varies) with:
  • 1st & 2nd tarsi dark, nearly black
  • Eyes with dark bands of hairs
  • Prominent broad stripe down face.


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