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 How to Identify a Fly
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| Tony T |
Posted on 21-10-2014 14:47
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 Member Location: New Brunswick, Canada Posts: 664 Joined: 08.02.07 |
1] Post image on Diptera.info. Keep specimen in case more information is needed. Specimen will always be identified at least to Family: SEE HERE Family: Psilidae (thanks to ruud van der weele & John Carr) Tony T attached the following image:  [91.76Kb] |
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| Tony T |
Posted on 21-10-2014 14:49
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Member Location: New Brunswick, Canada Posts: 664 Joined: 08.02.07 |
2] If specimen cannot be immediately identified beyond family, hope that someone will reference a key: SEE HERE (thanks to John Carr) Use the key to further ID specimen Buck & Marshall Key: 1 First flagellomere 2.5-4.0x as long as high..... 2 flagellomere is 2.7x as long as high Tony T attached the following image:  [124.85Kb] |
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| Tony T |
Posted on 21-10-2014 14:51
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Member Location: New Brunswick, Canada Posts: 664 Joined: 08.02.07 |
2: Tergites 2-4 more or less extensively bare but some marginal bristles always present....5 flight period mid-July to late September in Canada (Canadian specimen collected October 17). Tony T attached the following image:  [81.74Kb] |
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| Tony T |
Posted on 21-10-2014 14:53
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Member Location: New Brunswick, Canada Posts: 664 Joined: 08.02.07 |
5: Parafacials at narrowest point less than half as wide as vertical diameter (height) of 1st flagellomere:
Tony T attached the following image:  [161.92Kb] |
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| Tony T |
Posted on 21-10-2014 14:54
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Member Location: New Brunswick, Canada Posts: 664 Joined: 08.02.07 |
two pairs of subequal dorsocentral bristles: .......................................................... Psila perpolita Tony T attached the following image:  [136.48Kb] |
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