Diptera.info :: Identification queries :: Diptera (adults)
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 Dasyhelea sp. n°2
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| pat_der2003 |
Posted on 02-08-2023 02:27
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
Hello everyone, What I see is : Subgenus : 1. Male genitalia without an envelope covering entire aedeagus 2. Wing with two radial cells 3. Clypeus divided into separate sclerites => Pseudoculicoides (in part) pat_der2003 attached the following image:  [126.41Kb] |
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| pat_der2003 |
Posted on 02-08-2023 02:28
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
wings
pat_der2003 attached the following image:  [135.65Kb] Edited by pat_der2003 on 02-08-2023 02:29 |
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| pat_der2003 |
Posted on 02-08-2023 02:30
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
clypeus
pat_der2003 attached the following image:  [184.1Kb] |
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| pat_der2003 |
Posted on 02-08-2023 02:33
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
Then I tried to illustrate genitalias ... But it is more like a blur picture ... isn't ? 1. gonostylus single 3. gonostylus simple ... ? pat_der2003 attached the following image:  [36.94Kb] Edited by pat_der2003 on 02-08-2023 02:40 |
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| pat_der2003 |
Posted on 02-08-2023 05:29
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
Sorry, this is trying to use this key : https://doi.org/10.2478/v10200-012-0009-8 Unfortunately, ... and obviously ...  I didn't use this technique :All specimens were preserved in 75% ethanol, then subsequently cleared in phenol-ethanol and mounted on microscope slides in
phenol-Canada balsam by the methods described in WIRTH & MARSTON (1968). Edited by pat_der2003 on 02-08-2023 07:07 |
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| pat_der2003 |
Posted on 03-08-2023 18:21
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
Hello, I'm back with th dgenitalia following this protocol : 24h in lactic acid then mounted in Euparal. I think it looks better, close to the pictures in this key ! 
pat_der2003 attached the following image:  [118.35Kb] |
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| pat_der2003 |
Posted on 04-08-2023 05:30
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Member Location: Paris area, France Posts: 1731 Joined: 20.08.07 |
Following the previous key, I see : 1. Male genitalia without an envelope covering entire aedeagus 2. Wing with two radial cells 3. Clypeus not divided into separate sclerites => Dicryptoscena then : 1. Fifth palpal segment as long as fourth palpal segment, with single row of long setae 2. Gonostylus with slender apex 3. ??? I am hesitating between Dasyhelea notata and lucida/stellata, but my preference goes to the description of male notata ... Althought there are two other european species not in this key : D. fulvosa REMM and D. kurensis REMM ... so ? EDIT : in this paper, it is said that D. fulvosa is present from Czech Republic and Azerbaijan. Dasyhelea kurensis is present from Ukraine (Crimea), Romania, Azerbaijan. Edited by pat_der2003 on 04-08-2023 06:52 |
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