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 Calypter size
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| Lothar Schuh |
Posted on 03-10-2020 19:01
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Member Location: Posts: 165 Joined: 12.07.20 |
Hello, is it "more or less" sufficient to look at the size of calypters: - both have same size: Anthomyidae - lower is larger: Musciudae? Can I get a solid hint? Regards Lothar |
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| John Carr |
Posted on 04-10-2020 14:47
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 Member Location: Posts: 9773 Joined: 22.10.10 |
Lothar Schuh wrote: Hello, is it "more or less" sufficient to look at the size of calypters: - both have same size: Anthomyidae - lower is larger: Musciudae? Can I get a solid hint? Regards Lothar That is usually true. There are a few Muscidae with small lower calypters (subfamily Azeliinae, some Coenosiinae) and a few Anthomyiidae with large lower calypters, but not as large as Musca or Phaonia. You can also look at the hind tibia. Very few Muscidae have 2 or more posterodorsal bristles, and very few Anthomyiidae have fewer than 2. On the thorax, the very few Anthomyiidae with 4 postsutural dorsocentrals have many more hairs on the thorax than similar Muscidae. Very few Anthomyiidae have hairy eyes. If there are any Drymeia with 4 postsutural dorsocentrals they may be confusing. |
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| Lothar Schuh |
Posted on 04-10-2020 17:33
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Member Location: Posts: 165 Joined: 12.07.20 |
Thanks… can you be so kind to specify "hairy eyes". I am just amateur, layman, beginner. Reading a bit about Chaetotaxy revealed that hairs near the eyes are: - occipital hair - fascial hair - subvibrissal hair - parafascial hair - … where to look at? Lothar |
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| Paul Beuk |
Posted on 04-10-2020 18:30
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 Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
See the hairy eyes in this image http://www.tuin-t...5-2014.jpg
Edited by Paul Beuk on 04-10-2020 19:01 Paul - - - - Paul Beuk on https://diptera.info |
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| Lothar Schuh |
Posted on 05-10-2020 06:56
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Member Location: Posts: 165 Joined: 12.07.20 |
thank you all! |
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but don't see the image in the post.
