A revision of the North American flies belonging to the genus Apiocera (Diptera, Apioceridae)
By Mont A. Cazier
This is an excellent & detailed reference for this fascinating family of flies.
The portal page link for downloading the PDF of Cazier's 1982
Apiocera revision is:
https://digitallibrary.amnh.org/handle/2246/1065
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There is also a 1985 companion/addendum publication by Cazier from the American Museum of Natural History entitled:
"New species and notes on flies belonging to the genus Apiocera (Diptera, Apioceridae)", American Museum Novitates, no. 2837, pp. 1-28.
It treats an additional 5 new NA species (
A. mulegeae, warneri, varia, constricta, and
lavignei), has revised keys for the entire genus, and also includes descriptions of previously unknown females of the species
augur, alleni, exta, and
voragocolis. The 1985 publication is available as a PDF from portal page link below:
https://digitallibrary.amnh.org/handle/2246/5242.