Section of Brachycera. There are two large families in this group, Syrphidae and Phoridae, and a number of smaller ones. They do not possess a ptilinum, and therefore lack the prominent ptilinal suture on the face as in other muscoid (Muscomorpha) flies.
They do still have a puparium with a circular emergence opening, but it is not as precisely ellipsoid in shape as is typical for other muscoids.
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys...
I will keep this on my list and hope th
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"?
smolwaarneming@gma il.com
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?