The distal lobe of the posterobasal portion of the axillary membrane that joins the hind margin of the wing to the thorax is called the upper calypter. It begins the membrane folds over then lower calypter. It is usually larger than the lower calypter, but in some groups, e.g. Tabanidae, Acroceridae, and many Calyptratae, the lower calypter is larger than the upper one.
I have just received the very sad news that Peter Chandler has died after a fall at home yesterday. I have no other details at the moment. We shall miss him terribly.
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)
I would prefer not to receive any more messages from diptera.info signed by Paul... (Thread reply notification)... Could they be signed by ‘The diptera.info team’?