Mohelia was originally described by Matile for M. nigricauda, from the Comoros. Three new Afrotropical species of Mohelia are described. The male and female terminalia of M. matilei sp.n., M. amorimi sp.n., and M. chandleri sp.n. are illustrated. An additional species, not formally described, is commented on. An identification key is also provided, as well as a distribution map for the genus. T...

a review of the genus phasia latreille in iran is given. an identification key to the six iranian species of phasia and illustrations of their male and female terminalia are presented. the species phasia obesa (fabricius) and p. pusilla meigen are recorded for the first time from iran.

This article reports the breaking of ethological barriers through the constitution of soma-germ line chimeras between species of the melanogaster subgroup of Drosophila, which are ethologically isolated. Female Drosophila yakuba and D. teissieri germ cells in a D. melanogaster ovary produced functional oocytes that, when fertilized by D. melanogaster sperm, gave rise to sterile yakuba-melanogas...

In Drosophila, the homeotic gene Distal-less (Dll) has a fundamental role in the establishment of the identity of ventral appendages such as the leg and antenna. This study reports the expression pattern of Dll in the genital disc, the requirement of Dll activity for the development of the terminalia and the activation of Dll by the combined action of the morphogenetic signals Wingless (Wg) and...

A revision of the genus Ateralphus Restello, Iannuzzi & Marinoni, 2001, based on the detailed study of the morphology of the type-species and on the external morphology and terminalia of the others species is presented. The genus and species are redescribed and three new species are described. The genus is composed of nine species: A. dejeani (Lane, 1973), A. javariensis (Lane, 1965), A. lacteu...

The tribe Ormiini comprises 64 species in six genera. In the present paper, the ormiine genera Aulacephala Macquart and Phasioormia Townsend are revised, with two valid species recognized in the former and three valid species recognized in the latter. All available nominal species in Aulacephala and Phasioormia were examined and are revised herein, so that previous synonymies could be confirmed...

The Neotropical genus Marbenia Malloch is revised and now includes 3 species: Marbenia cinerea, sp. nov., Marbenia pallida, sp. nov. and Marbenia peculiaris Malloch, 1931. The genus is herein recorded from the amazonian region of South America (Bolivia, Brazil and Ecuador), and characters of male and female terminalia are illustrated for the first time.

The second species of the Neotropical genus Cerozodus Bigot, 1857, Cerozodus brachylobus sp. nov. is described from Mirador, Maranhao state, Brazil and Cerozodus nodicornis (Wiedemann, 1828) is redescribed. The habitus, wing and male terminalia structures are described and illustrated.

A taxonomic revision of the genus Nyctimenius Gressitt is presented. A new species, N. chiangi sp. nov., is described from China. Two new combinations, N. mamutensis (Hayashi, 1975) comb. nov. and N. sabahensis (Hayashi, 1975) comb. nov., are proposed. A new status, N. palawanicus (Aurivillius, 1922) stat. n., is proposed, and a lectotype is designated for N. palawanicus. The male terminalia an...

Two species of the genus Pygophora Schiner are recognized from Laos. This is the first time the genus is recorded to the country. A new species, Pygophora laoensis sp. nov., is described and P. immaculipennis Frey is newly recorded. Male and female terminalia of both species are illustrated.