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).
Wondering if anyone has the following resources:
- Revision of the European Empis (s. str.) simulium-group of species (Diptera: Empididae), with descriptions of four new species from the European
Anyone have scans of the Genus Semaranga in:
1)Kanmiya, K. (1983) A systematic study of the Japanese Chloropidae (Diptera).
2) Andersson, H. (1977 Taxonomic and Phylogenetic studies on Chloropid
Dr Michael von Tschirnhaus, a leading expert on Chloropidae and Agromyzidae, died on 16 September 2025 at the age of 86. He will be greatly missed by the international community. R.I.P.
Anyone has the scan of "Harkness, R. D.; Ismay, J. W. 1976: A new species of Trachysiphonella (Dipt., Chloropidae) from Greece, associated with an ant Cataglyphis bicolor (F.) (Hym., Formicidae)
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