[NatureNS] Non-identified Critters

Date: Wed, 09 Aug 2006 11:14:52 -0300
To: naturens@chebucto.ns.ca
From: Angus MacLean <angusmcl@ns.sympatico.ca>
References: <6.2.1.2.0.20060808210830.01e36840@pop1.ns.sympatico.ca>
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 th
Thanks, Steve, especially for the tip re flies versus bees & wasps.
Angus

At 03:20 AM 8/9/2006, you wrote:
>Angus,
>The last one appears to be a large crane fly or daddy-longlegs (fly family
>Tipulidae) not a wasp, though halteres are not visible in the pic.  Halteres
>are club-like, supposed balancer appendages, found in place of the hind wings
>that are present in other winged insects. True flies (Diptera) all carry a 
>pair
>of halteres, meaning that you can always distinguish flies from the bees or
>wasps that some of them quite closely mimic (syrphid and stratiomyid flies in
>particular are good at this) -- just look for halteres.  One other rarely
>encountered insect group has haltere-like front 'wings', but no other insect
>group has them in place of hindwings.
>Steve
>
>Quoting Angus MacLean <angusmcl@ns.sympatico.ca>:
>>A few species someone may be able to help me with:
>>...
>> > What is this creature? It appears to have the abdomen of a wasp!
>>         http://www.flickr.com/photos/58321572@N00/210500070/
>>Thanks for any help.
>>Angus
>>
>
>--

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