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 Hover fly from Hong Kong: Eristalinus laetus?
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| chickenold |
Posted on 11-11-2012 16:11
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 Member Location: Posts: 338 Joined: 21.02.07 |
Photo taken yesterday. Body length slightly less than 10mm. Thanks! chickenold attached the following image:  [187.91Kb] |
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| chickenold |
Posted on 11-11-2012 16:12
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Member Location: Posts: 338 Joined: 21.02.07 |
Lateral view:
chickenold attached the following image:  [194.53Kb] |
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| Gerard Pennards |
Posted on 16-11-2012 23:18
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 Member Location: Amersfoort Posts: 1914 Joined: 07.06.04 |
Hmmmm, male Eristalinus tarsalis?? Greetings Greetings, Gerard Pennards |
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| chickenold |
Posted on 17-11-2012 02:07
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Member Location: Posts: 338 Joined: 21.02.07 |
Thanks Gerard! E. tarsalis was my first guess, but it seems that the size is smaller and the pattern on the abdomen is somehow different, according to the info in my hand. Could you advise the major difference between the two species? |
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| Gerard Pennards |
Posted on 18-11-2012 00:53
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Member Location: Amersfoort Posts: 1914 Joined: 07.06.04 |
I have a (non published) key of oriental Eristalinus and if I use that I end up with a male Eristalinus dives (Walker 1849), especially because the squamae (part of the wing) are dark brownish black. Greetings Greetings, Gerard Pennards |
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| chickenold |
Posted on 18-11-2012 02:55
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Member Location: Posts: 338 Joined: 21.02.07 |
Thanks again! A female individual of similar size was found yesterday in the same location. Not sure if it is the same species, but there was usually only one blackish Eristalinus sp. in the locality dominated by E. arvorum, E. quinquestriatus and E. obliquus. chickenold attached the following image:  [188.98Kb] |
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