[Syrphidae] Re: Syrphid strange behaviour

[Pavel Láska]

Dear Hideki Iwai, your observation is very useful. But in Japan could be also species very similar to E. balteatus. If you will, you could send the foto of dorsal view and ventral view of abdomen. With best wishes   Pavel Láska
  ----- Original Message ----- 
  From: ???? 
  To: syrphidae at lists.nottingham.ac.uk 
  Sent: Sunday, April 24, 2011 8:00 AM
  Subject: [Syrphidae] Syrphid strange behaviour


  Dear ALL

  Hello. I studied the mating behaviour of Episyrphus balteatus about ten years ago in Japan. I have been a question about the strange behaviour for a long time. 

  I observed the strange behavior in twilight in the evening. The behavior was  that the female and male of E. balteatus faced each other and fell down in the air in twilight in the evening. I observed it in insectarium and the cage. I estimated it was the mating behavior at that time. 

  However, I know the mating behaviour that E. balteatus male rides on the female from some papers so I suspect my result considerably.

  I want to ask syrphidae colleagues if someone have observed E. balteatus took the strange behaviour. Have someone seen the behaviour in the rearing cage?

  Best wishes
  Hideki Iwai

  Japan


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