Diptera.info

Posted by GAREL Jean-Michel on 20-02-2022 11:28

Hello.
This Dolichopodidae was observed on february 19th in the north of Yonne Department (Burgondy, France). According to the key of Igor Grichanov, a female of Syntormon denticulatus should be possible for this specimen of 4 mm. Thanks for your opinion.

www.galerie-insecte.org/galerie/image/dos298/big/Dolicho3%201902.jpg

Jean-Michel GAREL : France : Brannay : 89150 : 19/02/2022
Altitude : NR - Taille : 4 mm
Réf. : 298439

www.galerie-insecte.org/galerie/image/dos298/big/Dolicho2%201902.jpg

Jean-Michel GAREL : France : Brannay : 89150 : 19/02/2022
Altitude : NR - Taille : 4 mm
Réf. : 298440

www.galerie-insecte.org/galerie/image/dos298/big/Doli2%201902.jpg

Jean-Michel GAREL : France : Brannay : 89150 : 19/02/2022
Altitude : NR - Taille : 4 mm
Réf. : 298441

www.galerie-insecte.org/galerie/image/dos298/big/Dolicho%205%201902.jpg

Jean-Michel GAREL : France : Brannay : 89150 : 19/02/2022
Altitude : NR - Taille : 4 mm
Réf. : 298442

Posted by GAREL Jean-Michel on 25-02-2022 05:39

Hello.
S. denticulatus or not denticulatus ? According to "A checklist and keys to... "by Igor Ya. Grichanov p.111 : 1-Postpedicel elongate...=>2
2-Antenna dark =>3. 3-Females; face broad =>16. 16-Face without setae = >17. 17-At least mid and hind coxae dark =>20. 20-Fore coxa dark; frons green or bronze-green =>21. At this point there is a doubt since we have no access to the apical part of the fore coxa, but the frons is brownish.