The lower facial margin is sometimes called the epistoma, but this term should be avoided because it is ambiguous (Crampton 1942, pp. 16-17).
Reference:
Crampton, G.C., 1942. A guide to the insects of Connecticut. Part VI. THe Diptera or true flies of Connecticut. First Fassicle. The external morphology of the Diptera. - Bulletin of the Connecticut State Beological and Natiral History Survey 64: 10-165. (Reprint 1966).
For those specialists not active on Facebook, I just ask to consider to join our group on FB. Please, be aware that it is not necessary at all to be active on FB outside the diptera group. Actually, n
We received requests to get permission to ask for ID in our Facebook group, https://www.facebo ok.com/groups/1798 95332035235/
Until now we pointed to diptera.info, but since Paul's passing we not
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