Diptera.info :: Identification queries :: Diptera (adults)
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 unknown male chironomidae
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| Mario Renden |
Posted on 30-08-2026 17:48
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Member Location: Posts: 797 Joined: 04.05.15 |
On 3th August 2026 I took pictures of this chironomidae of unknown genus in Den Helder, The Netherland. It was attracted to light. Can someone please identify it? Thanks a lot. Greetings, Mario Renden Mario Renden attached the following image:  [15.49Kb] |
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| Mario Renden |
Posted on 30-08-2026 17:49
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Member Location: Posts: 797 Joined: 04.05.15 |
picture 2
Mario Renden attached the following image:  [40.77Kb] |
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| Mario Renden |
Posted on 30-08-2026 17:49
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Member Location: Posts: 797 Joined: 04.05.15 |
picture 3
Mario Renden attached the following image:  [23.89Kb] |
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| Mario Renden |
Posted on 30-08-2026 17:49
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Member Location: Posts: 797 Joined: 04.05.15 |
picture 4
Mario Renden attached the following image:  [10.93Kb] |
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| John Carr |
Posted on 31-08-2026 13:21
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 Super Administrator Location: Colorado, USA Posts: 10736 Joined: 22.10.10 |
First impression, in the Harnischia genus group. |
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| Mario Renden |
Posted on 31-08-2026 18:33
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Member Location: Posts: 797 Joined: 04.05.15 |
Dear John and others, I have the book 'Keys to the adult male chironomidae of Britain and Ireland' of P.H. Langton and L.C.V. Pinder. There are two species of harnischia in it: harnischia fuscimana and harnischia curtilamellata. These are the same two species which are known to occur in The Netherlands. To me, the pictures in that book of the male genitalia of both species look quiet different to my pictures. The pictures of the male genitalia in my book look quiet different from harnischia. Therefore to me it is still a mystery which species is on my pictures. Greetings, Mario Renden Edited by Mario Renden on 31-08-2026 18:35 |
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| John Carr |
Posted on 31-08-2026 21:31
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Super Administrator Location: Colorado, USA Posts: 10736 Joined: 22.10.10 |
Mario Renden wrote: Dear John and others, I have the book 'Keys to the adult male chironomidae of Britain and Ireland' of P.H. Langton and L.C.V. Pinder. There are two species of harnischia in it: harnischia fuscimana and harnischia curtilamellata. These are the same two species which are known to occur in The Netherlands. To me, the pictures in that book of the male genitalia of both species look quiet different to my pictures. The pictures of the male genitalia in my book look quiet different from harnischia. Therefore to me it is still a mystery which species is on my pictures. Greetings, Mario Renden The Harnischia complex (genus group) includes about 10 genera with reductions in the volsellae of the male genitalia. Compare Microchironomus. This group is, last I checked, sister to the Chironomus genus group. Together they form a clade in which most species have 11 male flagellomeres compared of 13 in typical species of Chironomini. |
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| Mario Renden |
Posted on 01-09-2026 19:53
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Member Location: Posts: 797 Joined: 04.05.15 |
Ok. Thanks John. Then it must be microchironomus tener. Greetings, Mario Renden |
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