[Syrphidae] Maggot ID

Bartsch, Hans D hans.bartsch at telia.com
Sat Oct 21 18:58:53 BST 2006

I guess both are Volucella inanis - larvae, the second is just upside down. As Marin says they come from wasp nest above somewhere. They are ready to pupate and walk around to find a nice pupating place. During this action they probabely fell down. 
Jarmo?s picture does not show pellucens (Rotheray 1993).
I got the same question in Stockholm some years ago by a friend. Grahan Rotheray solved the question for me and my friend.
Have a nice weekend 
Hans Bartsch
  ----- Original Message ----- 
  From: Günter Schwendinger 
  To: Syrphidae Mailingliste 
  Sent: Friday, October 20, 2006 9:00 PM
  Subject: [Syrphidae] Maggot ID

  Hello everybody,

  Yesterday a friend of from the local museum of natural history www.inatura.at asked me if I could help him identify a larva which I think is a syrphid. The length of the larvae is 13mm (without stigmata-"horn" which has another 1mm of length). The larvae have been found inside houses in three cities/villages around here (Dornbirn, Feldkirch and Egg, all in Vorarlberg/Western Austria) during the last week - some in a guestroom which is not used very often, some in the corner of a room on the floor with mice's feces around and some "falling from the ceiling" according to the people who brought the larva to the inatura. 
  Could anyone of you help me identify the species or genus? I'd appreciate any kind of information.
  Another thing: What were these maggots doing inside the nearly empty rooms? (the people here have asked for this kind of information).

  Thanks in advance
  Günter Schwendinger

  (Photos by Klaus Zimmermann) 




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