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Diptera.info :: Identification queries :: Diptera (adults)
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Empis punctata or trigramma ?
Moumoule
#1 Print Post
Posted on 23-05-2025 00:06
Member

Location: South of France
Posts: 23
Joined: 25.08.20

Hello,

I've been trying to understand how to seperate one from the other but I have troubles reading chetotaxy of this Empis, could you help me please ? What about the differrence(s) of both genitalia, does that can help to make the difference between this two species ?

www.galerie-insecte.org/galerie/image/dos358/big/Empis%20punctata%20ou%20trigramma%20-%20Empididae%20-%20DIPTERA%20a%20verif%2026.JPG
MOLINIER Cédric : France : Prats-de-Mollo-la-Preste : 66230 : 19/05/2025
Altitude : 1041m - Taille : 9-10mm
Réf. : 358972

www.galerie-insecte.org/galerie/image/dos359/big/Empis%201.JPG
MOLINIER Cédric : France : Prats-de-Mollo : 66230 : 19/05/2025
Altitude : 1041m - Taille : 9-10mm
Réf. : 359083

www.galerie-insecte.org/galerie/image/dos359/big/Empis%20Cheto1.jpg
MOLINIER Cédric : France : Prats-de-Mollo : 66230 : 19/05/2025
Altitude : 1041m - Taille : 9-10mm
Réf. : 359084
 
Moumoule
#2 Print Post
Posted on 10-06-2025 11:04
Member

Location: South of France
Posts: 23
Joined: 25.08.20

No takers ?
 
Auratus
#3 Print Post
Posted on 11-06-2025 09:04
Member

Location: Edam - Netherlands
Posts: 344
Joined: 24.05.10

This looks like a fine male Empis punctata to me. Genitals and chetotxy are as expected for this species. The absence of a supra-alar bristle (just above the wings) excludes E. trigramma
Greetings,

Jan
 
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15 June 2025 19:35
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