2Grover, P. 1971. On the study of Indian Porricondylini. Cecid. Ind. , 6(3): 1-38.
3Grover, P. 1975. Studies on gall-midges from India-40. Keys to gallmidges of Oriental Region. Cecid. Ind., 10 (1-2): 1-106.
4Mamaev, B. M. 1964. Gall midges of the USSR. 6. New species of the tribe Porricondylini (Diptera: Cecidomyiidae). Rev. Ent. USSR.,43: 894-913.
5Mamaev, B. M. 1969. Classification of insects in the European parts of the USSR. Cecidomyiidae (Itonididae). Acad. Sc. USSR Zool.Jr., 5: 356-420.
6Mamaev, B. M. and Zaitzev, A. L. 1998. Sylvenomyia gen. n. in Sweden and a key to the genera of the tribe Winnertziini (Diptera: Cecidomyiidae, Porricondylinae). Entomol. Fennica, 9 (4): 211-213.
7Panelius, S. 1965, A revision of the European gall midges of the subfamily Porricondylinae (Diptera, Itonididae). Acta Zool. Fenn.,113: 1-157.
8Skuhrava, M. 1986. Family Cecidomyiidae. In: Soos, A. (ed.), Catalogue of Palaearctic Diptera. Vol. 4. Sciaridae-Anisopodidae. Budapest, Akademiai Kiado. pp. 72-297.
9Skuhnava, M. 1997. Family Cecidomyiidae. In: Papp, L. and Darvas,B. (eds.), Contributions to a Manual of Palaearctic Diptera. (with special reference to flies of economic importance). Vol. 2. Nematocera and Lower Brachycera. Budapest, Science Herald. pp.
10Spungis, V. 1992. A revision of the European gall midges of the tribe Winnertziini. Lat. Ent. Supp., 5: 7-10.