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A biographical sketch of Brian Stuckenberg (1930–2009) is provided. Brian's research interests, discoveries and major achievements are outlined and his contributions to the study of dipterology in general are put into broad context. A list of Brian's publications is provided, together with a transcription of the itinerary and list of collecting localities from the first (1955–1956) and second (1957–1958) Madagascan expeditions.
The Afrotropical genus Aphasmaphleps Grichanov is reviewed. The type-species, A. bandia Grichanov, is redescribed based on material from Botswana and Tanzania, and three new species are described from Madagascar: A. bickeli sp. n., A. paulyi sp. n. and A. stuckenbergi sp. n. Females of the genus are reported for the first time, and hypopygial and oviscapt morphologies are described and illustrated in detail. A key to all named species of Aphasmaphleps is provided, and the systematic position of the genus among the diaphorines is briefly discussed.
The Muscidae (Diptera) of Namibia were previously known to comprise 42 species in 16 genera. The study of material from the Namibia National Insect Collection, National Museum of Namibia and the Albany Museum (South Africa) loaned to the authors enabled this paper to be written, in which three new generic records and 14 new species records are provided and one new species is described. With the present contribution, the muscid fauna of Namibia is now known to comprise 57 species in 19 genera, with Musca L. being the most species-rich genus. A key to the identification of all recorded genera is provided and diagnoses of the genera and species found in the material studied are provided when pertinent. Musca fragilis sp. n. is described from the Khorixas District.
This paper summarizes current knowledge of the occurrence of Dacini fruit flies in the Comoro archipelago of the Indian Ocean. Ten species are confirmed as occurring there: Bactrocera invadensDrew, Tsuruta & White, 2005, Dacus bivittatus (Bigot, 1858), D. ciliatusLoew, 1862, D. etiennellusMunro, 1984, D. punctatifronsKarsch, 1887, D. vertebratusBezzi, 1908 (all Dacina), Ceratitis capitata (Wiedemann, 1824), C. malgassaMunro, 1939, Neoceratitis cyanescens (Bezzi, 1923), and Trirhithrum nigerrimum (Bezzi, 1913) (all Ceratitidina). Records of Bactrocera Cucurbitae (Coquillett, 1899) remain unconfirmed. The fauna of the Comoros is briefly compared to that of other islands in the western Indian Ocean.
The Mydidae genera NamibimydasHesse, 1972 and NothomydasHesse, 1969 are reviewed. Both genera were known from two species each occurring in southern Namibia and western South Africa and are here redescribed. Four new species, all from Namibia, are described herein: Namibimydas psamminos sp. n., Namibimydas stuckenbergi sp. n., Nothomydas aquilonius sp. n., and Nothomydas picketti sp. n. A dichotomous key to all species is presented and illustrations and photographs are provided to support the descriptions and future identification. Distribution, occurrence in biodiversity hotspots sensu Conservation International, and seasonal incidence are discussed for all species. Information of all four genera of Syllegomydinae: Halterorchini is summarised and photographs of all genera provided. A novel structure of the male terminalia, termed supra-hypandrial sclerite, is described and illustrated.
Diplonevra longifistula sp. n., D. meridafricana sp. n., D. stuckenbergi sp. n., Phalacrotophora petersoni sp. n. and Ph. stuckenbergi sp. are described. A revised key to Afrotropical Diplonevra species and a key to Afrotropical species of Phalacrotophora are provided.
Diopsis stuckenbergi Feijen & Feijen, sp. n. is described and illustrated from South Africa and Swaziland. This species belongs to the D. cruciata-group, one of three African Diopsis species-groups with a large apical wing spot. Diopsis stuckenbergi sp. n. is closely related to D. eisentrauti Lindner and this latter species is redescribed. A T-shaped pruinose cross is always evident on the scutum of D. eisentrauti, but in many specimens of D. stuckenbergi sp. n. the central section of the T-cross is absent. The two species form a subgroup within the D. cruciata-group. All species of the African species-groups with apical wing spots are briefly reviewed. Diopsis fumipennis Westwood, 1873 is proposed as a junior synonym of D. atricapillaGuérin-Méneville, 1835. Data are presented on sexual dimorphism with respect to eye span in D. stuckenbergi sp. n. and D. eisentrauti.
Manicomyia Hancock and its type species, Afreutreta chirindana Munro, are redescribed, including the first description of the female. A new species, M. stuckenbergi sp. n., is described from Malawi based on both sexes. The two species are sexually dimorphic in their wing pattern. An identification key to both species based on male and female characters is provided. Putative relationships between Manicomyia and other genera are discussed.
The new Afrotropical genus and type species Hamecamyia stuckenbergi gen. et sp. n. (Diptera: Chamaemyiidae), from KwaZulu-Natal Province, South Africa, are described and figured. Characters are provided to differentiate this new genus from other Afrotropical chamaemyiids. Discussion is provided comparing this new genus to ParochthiphilaCzerny, 1904, and an apparently unique (in Chamaemyiidae) set of characteristics of the female terminalia is described, figured and discussed.
Holotypes and syntypes of cecidomyiid genera and species described from the Seychelles and East Africa by J.-J. Kieffer in the early 20th century are held in the collections of the Natural History Museum, London and the Muséum national d'Histoire naturelle, Paris, France. All are specimens caught in flight, so without associated biological data and most are unidentifiable females. Many are in poor condition and inadequate for detailed study and are of little assistance in advancing understanding of the Afrotropical Cecidomyiidae fauna. Following examination of all extant specimens, 16 genera and 59 species are listed and assigned to nomina dubia. Six other species that are represented by holotypes or syntypes that still have intact genitalia (which may possibly be recognised in future revisionary studies), are also listed.
A new species, Xestomyza stuckenbergi sp. n., is described from the Western Cape Province, South Africa. The new species differs from the only previously described species of this genus, Xestomyza lugubrisWiedemann, 1820, being smaller and entirely covered in white pubescence and also having differences in the male terminalia. A third species of this genus is briefly described, but because there is only one female specimen available it is not formally named. Identification keys are provided to genera of the subfamily Xestomyzinae and to species of Xestomyza Wiedemann.
Based on the study of type and exhaustive non-type material from many entomological collections, six species of the Afrotropical genus Pyrgotomyia, viz. P. callosa sp. n. (Cameroon), P. terebrans sp. n. (Ivory Coast), P. stuckenbergi sp. n. (Nigeria), P. ciliataHendel, 1934, P. richteri (Steyskal, 1972) comb. n., and P. temporalis (Enderlein, 1942) comb. n., are described or redescribed, illustrated and keyed. MetropinaEnderlein, 1942 (type species Metropina temporalisEnderlein, 1942) is shown to be a junior synonym of PyrgotomyiaHendel, 1934 (type species Pyrgotomyia ciliataHendel, 1934). The possibility that P. ciliata, based on a single male holotype specimen, could be a senior synonym of either P. richteri or P. temporalis, each based on female specimens alone, is discussed.
Four new Mycetophilidae, representing the first records of the genus ZygomyiaWinnertz, 1863 from the Afrotropical Region, are described, photographed and their terminalia illustrated. Zygomyia siminensis sp. n. and Z. yllae sp. n. are described from the Simien Mountains, Ethiopia and Z. mollemani sp. n. and Z. toro sp. n., from Kibale National Park, Uganda. Data on Mycetophilidae in Ethiopia are presented for the first time.
A new robber fly genus, Fishermyia gen. n., is described to accommodate F. stuckenbergi sp. n., collected in the Andohahela National Park in southern Madagascar. A revised key to the genera of Afrotropical Stenopogoninae possessing setose anatergites is provided. A brief résumé of Madagascan Asilidae is presented, together with comments on the genera of Oriental Stenopogoninae, which support the contention that this new discovery is of considerable interest.
A new species of the genus Periscelis Loew (P. stuckenbergi, Diptera: Periscelididae: Periscelidinae), the first from the Afrotropical Region, is described. Brief diagnoses of the family, subfamily, genus, subgenus and species are provided to facilitate identification of members of this uncommon family. A key to the subfamilies of the family and subgenera of Periscelis and habitus photographs and detailed illustrations of structures of the male terminalia are also included.
Afropeza gen. n. is described to include three new species (A. pappi sp. n., A. silvatica sp. n., and A. stuckenbergi sp. n.) from South Africa. This is the third brachystomatid genus known from Africa and its phylogenetic relationships within the subfamily Trichopezinae are discussed.
This paper presents results of a study of the Syrphidae fauna of Cameroon, based largely on an expedition to that country conducted in May 2006. Sixty-three species of Syrphidae were collected during the Expedition, 49 of which are newly recorded for the country, including some undescribed species. A preliminary checklist of the Syrphidae of Cameroon is provided, indicating that the Cameroonian Syrphidae fauna now comprises 96 species in total.
A taxonomic revision of the Afrotropical species of Stylogaster Macquart is presented and 21 new species are described: S. acanthocercus sp. n., S. amplicercus sp. n., S. clementsi sp. n. (all Madagascar), S. copelandi sp. n. (Kenya), S. fanjae sp. n., S. hauseri sp. n., S. hirsutifemora sp. n., S. irwini sp. n. (all Madagascar), S. kakamegensis sp. n., S. kenyensis sp. n. (both Kenya), S. kirkspriggsi sp. n. (South Africa), S. kroeberi sp. n., S. latifrons sp. n., S. parkeri sp. n., S. pseudofanjae sp. n., S. ranomafanensis sp. n., S. rinhaii sp. n., S. schachti sp. n., S. smithi sp. n., S. spinicercus sp. n., and S. stuckenbergi sp. n. (all Madagascar). A lectotype is designated for S. seyrigiSéguy, 1932 and a neotype for S. frontalisKröber, 1914. The male terminalia of S. frontalisKröber, 1914, S. pauliana Camras, 1962, S. malgachensis Camras, 1962, S. seguyi Camras, 1962 and S. seyrigiSéguy, 1932 are illustrated for the first time. New faunistic records are presented for nine previously described species of Stylogaster. An identification key to Afrotropical Stylogaster is presented. A total of 34 valid species of the genus are now known from the Afrotropical Region.
Two new fossil species of Bruchomyiinae (Diptera: Psychodidae), namely: Nemopalpus velteni Wagner, sp. n. (Burmese amber) and N. inexpectatus Wagner, sp. n. (Baltic amber), are described and figured, together with four extant species from the Neotropical Region: N. stuckenbergi Wagner, sp. n. (Chile), N. amazonensis Wagner & Stuckenberg, sp. n., N. similis Wagner & Stuckenberg, sp. n. (both Brazil) and N. cancer Wagner & Stuckenberg, sp. n. (Colombia). The terminalia of N. pilipesTonnoir, 1922 are illustrated for the first time. Based on the shape of the male terminalia, N. stuckenbergi sp. n. is probably closely related to N. rondanica Quate & Alexander and to N. stenhygros Quate & Alexander, both of which occur in Brazil. Nemopalpus similis sp. n. (Brazil), N. pilipes Tonnoir (Paraguay), N. dampfianus Alexander (Mesoamerica) and N. capixaba Biral Dos Santos, Falqueto & Alexander (Brazil) form a distinct species-group of their own. Nemopalpus amazonensis sp. n. (Brazil) and N. rondanica Quate & Alexander (Brazil) are closely related, as are N. cancer sp. n. and N. phoenimimos Quate & Alexander, both from Colombia. The presence or absence of tergal extensions and ornamental setulae on various segments are here regarded as unreliable characters to assess relationships among Neotropical Nemopalpus. The internal male and female terminalia of Bruchomyiinae provide more-useful apomorphic features and it is here postulated that the Phlebotominae are probably phylogenetically older than Bruchomyiinae.
A new genus and species of Stratiomyidae, Brianmyia stuckenbergi gen. et sp. n., are described from the Drakensberg, KwaZulu-Natal, South Africa. The new genus is placed in the tribe Prosopochrysini of the subfamily Stratiomyinae and is the first genus and species of this tribe known from southern Africa.
A new species of the genus Suillia Robineau-Desvoidy, 1830 (subfamily Suilliinae), namely Suillia stuckenbergi sp. n., is described from Cameroon and Kenya in the Afrotropical Region. This finding constitutes the first record of the genus Suillia in Cameroon, and the westernmost record for the genus in the Afrotropical Region. Modified key couplets are provided for Cogan's key to the Ethiopian species of Suillia in order to facilitate recognition of the new species. The systematic position of the newly described species is briefly discussed.
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