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Six new species of Empididae (Diptera) are described from the West Usambara Mts in Tanzania: Brachystoma flavella sp. n. belonging to the subfamily Brachystomatinae; Hemerodromia denticulata sp. n., Drymodromia flaviventris sp. n. and D. bimaculata sp. n. belonging to the subfamily Hemerodromiinae; and Roederiodes tanzaniae sp. n. and Clinocera (Kowarzia) usambarica sp. n. belonging to the subfamily Clinocerinae. R. tanzaniae sp. n. is the first species of Roederiodes to be recorded from the Afrotropical Region.

Bergenstammia aurinae sp. n., a new species of aquatic dance flies (Diptera: Empididae: Clinocerinae) from South Tyrol, Italy, is described and figured.

The following new taxa of Psychodidae (Diptera) are described and figured: Telmatoscopus caribicus sp.n., Trichomyia botosaneanui sp.n., Alepia martinicana sp.n., Pericoma hygropetrica sp.n., Maruina hoguei sp.n. (putative larva and male), Maruina tobagensis sp.n. (putative larva and male), Atrichobrunettia insularis sp.n. and Setomima stylappendiculata sp.n. Arisemus boxi Satchell, 1955 is recorded from Martinique and the description of an interesting larva is provided that cannot be determined at present. All specimens were collected during a collecting trip to the Islands of Martinique and St. Vincent by Dr. L. Botosaneanu (Amsterdam) in February and March 1989.

Hemerodromia slovenica sp.n. a new species of the aquatic dance flies (Empididae: Hemerodromiinae) from Yugoslavia, is described and illustrated.

Thaumalea rivosecchii sp.n., a new thaumaleid (Diptera, Thaumaleidae) from Central Italy is described and figured. Its closest relative is T. gerecki Wagner, from Sardinia.

Wiedemannia graeca sp.n., a new species of aquatic dance flies (Diptera: Empididae: Clinocerinae) from Greece is described and figured.

Heleodromia haenii sp.n., a new aquatic dance fly (Diptera, Empididae, Hemerodromiinae) from France is described and figured. It is a member of the subgenus Illiesiella and readily distinguished from its congeners by the possession of S‐shaped, upright distal part of the periandrium.

Hemerodromia cataluna (Strobl, 1909), is raised to species level. The shape of the genitalia distinguishes it clearly from H. oratorio (Fallen, 1816).

The European species of the genus Heleodromia (Diptera, Empididae) are revised. Descriptions and drawings of the following species are provided: H. immaculata Haliday, H. irwini sp.n., H. oldenbergi sp.n., H. schachti sp.n., H. pectinulata (Strobl), and H. banatica sp.n.. For the last two species with differently structured genitalia a new subgenus. Illiesiella is created, type‐species H. pectinulata (Strobl). A key for the European species is provided. The distribution of the species is discussed, and the structure of abdomen and genitalia of both sub‐genera are compared.

The first collections of Psychodidae available from the area of the Caucasus and from Iran have been studied. Seven species are new to science: Bazarella centuretinacula sp. n., Berdeniella caucasica sp. n., Clytocerus grusinicus sp. n., Saraiella ressli sp. n., Satchelliella joosti sp. n., Mormia georgica sp. n., and Philosepedon orientalis sp. n. Most new species are close relatives of European Psychodidae, except Clytocerus grusinicus the affinities of which remain doubtful. Six additional wide‐spread species have also been found: Pericoma blandula Eaton, P. exquisita Eaton, Satchelliella nubila (Meigen), Peripsychoda auriculata (Curtis), Psychoda trinodulosa Tonnoir, and Mormia malickyi Vaillant.

Thaumalea zwicki sp. n. and Thaumalea serbica sp. n. from Yugoslavia are described. Faunistical data on T. intermedia Schmid, T. bezzii Edwards and T. dinarica Schmid are presented.

The psychodid genus Atrichobrunettia Satchell is recorded for the first time from Europe. A general description of Brunettia and its relatives is provided and the distribution of possibly related genera is discussed. There are at least two species ofAtrichobrunettia in Europe, A. tenuipennis sp. n., and A. angustipennis (Tonnoir), formerly known under the name Mirousiella angustipennis. Genus Mirousiella Vaillant 1974 is regarded as a new synonym of Atrichobrunettia Satchell 1953.

Joosttella caucasica Vaillant and Paramormia fratercula (Eaton) are recorded for thefirst time from the Armenian SSR. Jungiella monikae sp.n. is described and figured, and the differences to related species are discussed.

The name of Stupkaiella mastelleri Wagner 1984, had been spelt in different ways in the original description, due to a printing error. It is here emended.

Wiedemamia (s. str.) brevilamellata Wagner is proposed as replacement name for W. alpina Vaillant, 1953 not W. (Chamaedipsia) alpina Engel, 1918). W. beckeri glacicola Wagner replaces W. (Chamaedipsia) beckeri alpina Vaillant, 1967 (not Engel, 1981, not Vaillant, 1953).

(1989). Notes on Empididae (5), Bergenstammia pulla sp.n. Aquatic Insects: Vol. 11, No. 4, pp. 200-200.

(1984). Notes on Empididae (3). Description of Chelifera siveci sp.n. Aquatic Insects: Vol. 6, No. 4, pp. 244-244.

A lectotype is designated for T. inflata Bezzi, and T. dentata Edwards is shown to be its junior synonym.