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Brimley, C.S., 1938. THE INSECTS of NORTH CAROLINA, NORTH CAROLINA DEPARTMENT of AGRICULTURE.

Barendrecht, G., 1938. The Dutch Fungivoridae in the collection of the Zoological Museum at Amsterdam. Tijdschrift voor Entomologie, 81, pp.35-54, 17 fig. Available at: http://www.online-keys.net/sciaroidea/1931_40/Barendrecht_1938_Dutch_fungivoridae.pdf.

Crampton, G.C., 1938. The structure called parameres in male insects. Bulletin of the Brooklyn Entomological Society, 33, pp.16-24.

Edwards, F.Wallace, 1938. Notes on the Mycetophilidae (Diptera) obtained by Dr. C.B.Williams in a light trap at Harpenden, Herts. Journal of the Society for British Entomology, 1, pp.199-202.

Edwards, F.Wallace, 1938. On the British Lestremiinae, with notes on exotic species. I. Proceedings of the Royal Entomological Society of London. Series B, 7, pp.18-24.

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Okada, I., 1938. Beitrag zur Kenntnis der Ceroplatinen-Fauna Japans (Diptera, Fungivoridae). Insecta Matsumurana, 13, pp.17-32, 4 fig. Available at: http://www.online-keys.net/sciaroidea/add01/Okada_1938_Ceroplatinae_Japans.pdf.

Procter, W., 1938. Biological Survey of the Mount Desert Region. Part VI. The Insect Fauna, Philadalphia: The Wistar Institute of Anatomy and Biology.

Storå, R., 1938. [TITLE BLANK]. Commentationes Biologicae, 6, pp.1-237, 12 pl. 4 graphs.

Storå, R., 1938. Tiergeographische Studien über die DIpteren-fauna der Azoren. I. Verzeichnis der bisher von den Azoren bekannten Dipteren. Commentationes Biologicae, 8, pp.1-114, 4 pl.

Strickland, E.H., 1938. An annotated list of the Diptera (flies) of Alberta. Canadian Journal of Research. Section D, Zoological sciences, 16, pp.175-219.

Thompson, W.R., 1938. A Dipterous parasite of Mycetophilids. Parasitology, 30, pp.176-180.

Armbruster, L., 1938. Versteinerte Honigbiennen aus dem Obermiocänen Randecker Maar. 3. Die einzelnen Hauffapis-Funde. Arch. Bienenk., 19, pp.1-48, 73-93, 97-133.

Okada, I., 1938. Mitteilungen über einige Nematoceren aus der Mandschurei (Diptera). Insecta Matsumurana, 12(2-3), pp.136-142, 2 fig.

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Steenberg, C.M., 1938. Recerches sur la matamorphose d'un Mycetophile Delopsis aterrima (Zett.) (Diptera Nematocera). DET KONGELIGE DANSKE VIDENSKABERNES SELSKAB BIOLOGISKE MEDDELELSER, 14, pp.1-29, 8 pl.

Enderlein, G., 1938. Die Dipteren-fauna der Juan-Fernandez-Inseln und der Oster-Inseln. In Natural History of the Juan Fernandez Island and Easter Island. Natural History of the Juan Fernandez Island and Easter Island.  Uppsala, pp. 643-680.