Rhinoceromyia, a peculiar new genus of long-legged flies from Guinea (Diptera: Dolichopodidae: Dolichopodinae).

The genus Rhinoceromyia Grichanov gen. nov. is described from the tropical forest of southeastern Guinea to accommodate a new species, Rhinoceromyia dubrovskii Grichanov sp.

Mangrovomyia, a new genus of long-legged flies from Iranian mangroves (Diptera: Dolichopodidae: Hydrophorinae).

The genus Mangrovomyia Grichanov et Gilasian gen. nov. is described from Iran, including two new species, M.

Catalogue of the Diptera (Insecta) of Morocco- an annotated checklist, with distributions and a bibliography.

The faunistic knowledge of the Diptera of Morocco recorded from 1787 to 2021 is summarized and updated in this first catalogue of Moroccan Diptera species. A total of 3057 species, classified into 948 genera and 93 families (21 Nematocera and 72 Brachycera), are listed. Taxa (superfamily, family, genus and species) have been updated according to current interpretations, based on reviews in the literature, the expertise of authors and contributors, and recently conducted fieldwork.

New species of Condylostylus Bigot (Diptera: Dolichopodidae) from Comoros, Madagascar, Tanzania and South Africa, with key to Afrotropical species.

Descriptions of five new Afrotropical species of the genus Condylostylus Bigot are provided: C. comorensis sp. nov.

Review of East Palaearctic species of Sympycnus Loew, 1857, with a key to species.

Four new species of Sympycnus Loew, 1857, S. ferganicus sp. nov.

A New Species of Chrysotus Meigen, 1824 (Diptera: Dolichopodidae) from the Dominican Republic.

A new long-legged fly species Chrysotus runyoni sp. nov. from the Dominican Republic is described and illustrated.

A new species of Pseudoparaclius Grichanov (Diptera: Dolichopodidae) from Udzungwa Mountains National Park, Tanzania, and a key to Afrotropical species.

Pseudoparaclius udzungwa sp. nov. is described from Udzungwa Mountains National Park, Tanzania, and a key to all known Afrotropical species of Pseudoparaclius Grichanov is provided.

New species of Cryptophleps Lichtwardt (Diptera: Dolichopodidae) with a key to the Afrotropical and Palaearctic species of the genus.

Two new species, Cryptophleps namibica sp. nov., from Namibia and C.

Palaearctic species of the Hercostomus plagiatus group (Diptera: Dolichopodidae) with description of a new species from the Middle East.

The Hercostomus plagiatus species group is defined and distinguished from other Hercostomus groups by the following combination of features including: bulging clypeus in both sexes, anterodorsal comb-like row of setae on fore tibia, usually straight and weakly convergent veins R4+5 and M1+2, hypopygium without basiventral epandrial lobes, mostly free hypandrium, relatively poorly developed postgonite, and female terminalia with tergite 8 and sternite 8 fused anterolaterally forming a narrow process. A new species, Hercostomus golanensis sp. nov.

A new species of Sybistroma Meigen (Diptera: Dolichopodidae) from the Middle East with a key to West-Palaearctic species of the genus.

A new species, Sybistroma occidasiatica sp. nov., from the Middle East is described.