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| 1 | 2 |  » Stats |
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17-07-2010, 08:13 PM
|  | Moderator | | Join Date: Apr 2007 Location: Belvedere, Kent
Posts: 10,029
| | | Larva for ID please
Found this one on the reeds at Crossness... 
It was munching it's way through the mealy plum aphids... 
Anyone know whaty it is? And am I correct in thinking that its carnivorous nature means it's definitely not a moth or butterfly caterpillar?
Dave P.
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(a.k.a. "Horizontal Dave")
"A good man is hard to find, especially if he's hiding. In a field. With combat fatigues and a false beard." - Wilson Dixon |
17-07-2010, 08:21 PM
| | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2006
Posts: 13,608
| | | Re: Larva for ID please
Looks like a hoverfly larva to me. |
17-07-2010, 08:22 PM
|  | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2007 Location: London
Posts: 11,830
| | | Re: Larva for ID please
Evening Dave,
Yes, Syrphid larvae for me too.
Take care, Jason  |
18-07-2010, 09:11 AM
| | Moderator | | Join Date: Apr 2007 Location: Belvedere, Kent
Posts: 10,029
| | | Re: Larva for ID please
Many thanks both!
Dave P.
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(a.k.a. "Horizontal Dave")
"A good man is hard to find, especially if he's hiding. In a field. With combat fatigues and a false beard." - Wilson Dixon |
18-07-2010, 09:29 AM
| | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2007 Location: London
Posts: 11,830
| | | Re: Larva for ID please
Dave, in case you're interested there is a fieldguide to Syrphidae larvae for about £15, by Graham Rotheray.
I don't have it myself so can't comment on it personally, just know of it's existance! |
18-07-2010, 10:25 AM
| | Moderator | | Join Date: Apr 2007 Location: Belvedere, Kent
Posts: 10,029
| | | Re: Larva for ID please
Thanks Jason. Just looked on Amazon and they only have 1 used copy at £58.75. As this is only the second hoverfly larva I've ever found I think I'll pass for now!  It would be nice to have if they ever do a reprint though...
Dave P.
__________________
(a.k.a. "Horizontal Dave")
"A good man is hard to find, especially if he's hiding. In a field. With combat fatigues and a false beard." - Wilson Dixon |
18-07-2010, 07:05 PM
| | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2007 Location: London
Posts: 11,830
| | | Re: Larva for ID please
One called WildlifeBooks has it for £15 - and new! (I asume the other is an original copy of the first print? No idea - just shop around!)
As for finding larvae - just get leaf-turning! Look particularly around aphid-infested areas, as females will seek-out aggregations and lay eggs right in the thick of them so they have an immediate and viable foodsource after emerging.
Last edited by Jason Green; 18-07-2010 at 07:07 PM.
|
18-07-2010, 09:54 PM
| | Moderator | | Join Date: Apr 2007 Location: Belvedere, Kent
Posts: 10,029
| | | Re: Larva for ID please
Nice one Jason - I've just ordered it!
Shouldn't have too much trouble finding hoverfly larvae in my garden as there's no shortage of aphids.
Dave P.
__________________
(a.k.a. "Horizontal Dave")
"A good man is hard to find, especially if he's hiding. In a field. With combat fatigues and a false beard." - Wilson Dixon |
18-07-2010, 10:05 PM
| | Knight Grand Cross of the Wild Empire | | Join Date: Jul 2007 Location: London
Posts: 11,830
| | | Re: Larva for ID please
Let me know how good it is, I may just practice what I preach! It'd be nice to be able to put a Genus to larvae. |
21-07-2010, 04:28 PM
| | Moderator | | Join Date: Apr 2007 Location: Belvedere, Kent
Posts: 10,029
| | | Re: Larva for ID please
It arrived today Jason and it looks like a lovely little book. Bags of detail and hundreds of black and white illustrations in the text plus a series of colour photos at the back. You live near me don't you? You'd be very welcome to borrow it.
It looks like my larva is a Platycheirus species and "Specialists include P. fulviventris feeding on Hyalopterus pruni on monocotyledonous plants in wetlands" which is exactly what my one was doing so that looks a good bet.
Dave P.
__________________
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