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Aphid predator: fly larva
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ironman_br



Joined: 13 Jan 2009
Posts: 107

PostPosted: Sat Jun 20, 2009 2:24 am    Post subject: Reply with quote

Great capture! Thanks to share photos and info!
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Harold Gough



Joined: 09 Mar 2008
Posts: 5787
Location: Reading, Berkshire, England

PostPosted: Sat Jun 20, 2009 3:42 am    Post subject: Reply with quote

This was posted before I joined.

The larva looks very much like that of an aphidophagous syrphid but is less dorsolaterally flatted and those horns separate it straight away.

Harold
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 18248
Location: Richland, Washington State, USA

PostPosted: Sat Jun 20, 2009 8:25 am    Post subject: Reply with quote

Harold Gough wrote:
The larva looks very much like that of an aphidophagous syrphid but is less dorsolaterally flatted and those horns separate it straight away.

So, do the horns help to identify what it is, or just what it is not?

I'm still not even sure this thing is a fly larva!

--Rik
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Harold Gough



Joined: 09 Mar 2008
Posts: 5787
Location: Reading, Berkshire, England

PostPosted: Sun Jun 21, 2009 1:12 am    Post subject: Reply with quote

Rik,

I am not a dipterist but I think your answer lies here:

http://www.cottoncrc.org.au/content/Industry/Publications/PestsandBeneficials/CottonInsectPestandBeneficialGuide/Beneficialsbycommonname/Silverfly.aspx

Your larva seems to be a Leucopis.

Aphidoletes aphidimyza larva are orange but the orange part of yours is an internal structure.

The pointed front end, including the head, of these dipteran larvae is made posible by slender, internal, stylet-shaped, piercing mouthparts.

Harold
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 18248
Location: Richland, Washington State, USA

PostPosted: Sun Jun 21, 2009 11:34 am    Post subject: Reply with quote

Thanks for the suggestion, Harold.

It seems that a rearing project is called for, if I should ever run across another one of these.

--Rik
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