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The Society for the study of flies (Diptera)

Affiliated to the British Entomological and Natural History Society (BENHS)

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#1 2017-10-02 15:08:14

CE2015
Registered user
Name: Chris English
Registered: 2015-04-29
Posts: 5

Myathropa florea egg laying

Hello,

Yesterday I watched in fascination as a Myathropa florea was attracted to a plastic tub of compost that I had just collected and brought home.
I assume it was attracted by the scent, but it seemed far more interested in exploring the loosely crumpled black bin liner resting on top of the tub than in the compost itself, and was probing repeatedly at the plastic with its egg laying apparatus.  At one point it rather helpfully rested on my field guide while I studied at the hoverfly page. Its activities eventually resulted in a small clutch of white eggs laid in a crease on the bin liner.
Is it typical for the eggs to be laid above the intended habitat like this, so that the larvae drop down on emerging?

Thanks.

Chris

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#2 2017-10-03 12:04:00

Howard Bentley
Committee
Name: Howard Bentley
Registered: 2008-07-07
Posts: 743

Re: Myathropa florea egg laying

I'm afraid I don't know the answer to your question, but what an interesting observation this is! Many thanks for posting it.

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