Features of reproduction in laboratory-reared Aedes fluviatilis (Lutz, 1904) (Diptera: Culicidae)

Observations were made on 100 female Aedes fluviatilis (Lutz) maintained individually from the first blood meal onwards and allowed one blood meal during each oviposition cycle, 5% dextrose solution been supplied throughout life. The average length of live was 49.9 ± 17.8 days; the logarithm of the mortality rate increased proportionately to physiological age. The insects took an average of 7.3 ± 3.2 blood meals and produced a mean of 7.9 ± 3.7 clutches of eggs. There was a progressive decrease, proportional to advancing physiological age, in the mean numbers of eggs laid in successive oviposition cycles, in the intervals between blood feeding oviposition, and in the numbers of larvae that hatched. Delayed oviposition, transient sterility and a total loss of fertility were also recorded.

Sobre Ischnoplax pectinatus (Sowerby, 1840) e sua ocorrência no litoral sul do Brasil (Mollusca, Polyplacophora)

São indicadas novas localizações geográficas para Ischnoplax pectinatus (sowerby, 1840) no litoral sul do Brasil. Além disso são estudados sua morfologia e alguns aspectos biogeográficos.

Taxonomic study and redescription of Culex (Melanoconion) theobaldi (Lutz, 1904) (Diptera: Culicidae)

Based on type examination, Culex (Melanoconion) theobaldi (Lutz, 1904) is redescribed. The species Cx. (Mel.) chrysonotum Dyar & Knab, 1908, was put back as synonym of theobaldi. Besides, examination of Cx. (Mel.) chrysothorax (Newstead & Thomas, 1910) type, leads to retiring as synonym of theobaldi and considered it as "species inquirenda".

New brazilian predaceous midges of the genus Monohelea Kieffer, and redescription of M. guaimiesi (Diptera: Ceratopogonidae)

Two new Brazilian species of Monohelea Kieffer, M. affinis and M. roraimensis are described and illustrated, and a redescription of M. guiaimiesi Lane & Wirth is given.

Two new neotropical species of Monohelea Kieffer and Downeshelea Wirth & Grogan (Diptera: Ceratipogonidae)

Two new Neotropical predaceous midges are described and illustrated, Downeshelea charrua from Uruguay, and Monohelea bidenata from Argentina. The first species is described from female and male specimens; only one male is know from the second.

A New Neotropical Species of Monohelea Kieffer from Uruguay (Diptera: Ceratopogonidae)

A new species of Monohelea Kieffer, M. uruguayensis, is described and illustrated from a male specimen from Uruguay

Numerical Taxonomy of Old World Phlebotominae (Diptera: Psychodidae): 1. Considerations of Morphological Characters in the Genus Phlebotomus Rondani & Berté 1840

Numerical analyses (correspondence analysis, ascending hierarchical classification, cladistic approach) were applied to the morphological characters of the adults of the genus Phlebotomus Rondani & Berté 1840. They confirm the reliability of the classic classifications, and also redefine the taxonomic and phylogenetic position of certain taxa. Thus, Spelaeophlebotomus Theodor 1948, Idiophlebotomus Quate & Fairchild 1961 and Australophlebotomus Theodor 1948 deserve generic rank. Among the vectors of leishmaniasis, the subgenus Phlebotomus Rondani & Berté 1840 is probably ancient. The results attribute an intermediate taxonomic and phylogenetic position to the taxa Euphlebotomus Theodor 1948 and Anaphlebotomus Theodor 1948, and reveal the probable artificial nature of the latter. The comparatively large numbers of species of subgenera Paraphlebotomus Theodor 1948, Synphlebotomus Theodor 1948 and, above all, Larroussius Nitzulescu 1931 and Adlerius Nitzulescu 1931, suggest that they are relatively recent. The development of adult morphological characters, the validity of their use in taxonomy and proposals for further studies are discussed.

A new species of predaceous midge of the genus Monohelea Kieffer from Mexico (Diptera: Ceratopogonidae)

A description and illustrations of Monohelea maya, new species, based on male and female characteristics are provided. The specimens were collected in the special biosphere Reserves of Ria Lagartos and Ria Celestun, Yucatan State, Mexico.

Revision of the myrmecophilous diapriid genus Bruchopria Kieffer (Hymenoptera, Proctotrupoidea, Diapriidae)

A redescription of the genus Bruchopria and its two species, B. hexatoma Kieffer (female and male) and B. pentatoma Kieffer (male only) is presented. New record for B. hexatoma from Argentina is provided. Some aspects of diapriid biology with emphasis on their myrmecophilic evidence and association with ants are discussed. Scanning photographs of morphological structures are included.

Species of Anisepyris Kieffer, 1905 (Hymenoptera, Bethylidae) collected in Cachoeira da Fumaça and Forno Grande State Parks, Espírito Santo, Brazil

Six species of Anisepyris Kieffer, 1905 were collected in Cachoeira da Fumaça (Alegre) and Forno Grande (Castelo) State Parks. Two of them are already known: Anisepyris lobatus Santos & Azevedo, 2000 and Anisepyris rectus Santos & Azevedo, 2000. Other four are described as new: Anisepyris attenuatus sp. nov., Anisepyris divisus sp. nov., Anisepyris inconspicuus sp. nov., and A. rotundus sp. nov.; each new species is illustrated. Two uncommon characters for Anisepyris, such as an inconspicuous anterior carina of the pronotum, and a lower mesopleural fovea partially open on the lower margin were observed being both the characters found in A. inconspicuus sp. nov. and only the first character in A. attenuatus sp. nov.

Systaltocerus platyrhinus Labram & Imhoff, 1840: redescrições e considerações sobre a sinonímia com Homalorhamphus vestitus Haedo Rossi & Viana, 1957 (Coleoptera, Anthribidae, Anthribinae)

Systaltocerus platyrhinus Labram & Imhoff, 1840: redescriptions and considerations about the synonymy with Homalorhamphus vestitus Haedo Rossi & Viana, 1957 (Coleoptera, Anthribidae, Anthribinae). The genus Systaltocerus Labram & Imhoff, 1840 and the species S. platyrhinus Labram & Imhoff, 1840 (type species), are redescribed. Illustrations of the mouth pieces, endosternites, wing venation, male and female terminalia, and rectal plates, are given for the first time. New data on geographic distribution are also presented. Nomenclatural changes introduced: Systaltocerus Labram & Imhoff, 1840 = Homalorhamphus Haedo Rossi & Viana, 1957 syn. nov.; Systaltocerus platyrhinus Labram & Imhoff, 1840 = Homalorhamphus vestitus Haedo Rossi & Viana, 1957 syn. nov.

Taxonomia de Anisepyris Kieffer (Hymenoptera, Bethylidae) da Mata Atlântica Brasileira

Foram estudadas as espécies de Anisepyris Kieffer, 1905, coletadas em 31 localidades ao longo da Mata Atlântica Brasileira. Foram descritas e ilustradas as seguintes espécies novas: A. basilongus Santos sp. nov., A. foveapertus Santos sp. nov., A. artus Santos sp. nov., A. basilargus Santos sp. nov., A. cepus Santos sp. nov. e A. ramosus Santos sp. nov.. Foram examinados espécimes adicionais de dezesseis espécies previamente descritas: A. amazonicus Westwood, 1874, A. bifidus Evans, 1966, A. bipartitus Santos & Azevedo, 2000, A. delicatus Evans, 1966, A. dentatus Santos & Azevedo, 2000, A. divisus Santos, 2002, A. inconspicuus Santos, 2002, A. lobatus Santos & Azevedo, 2000, A. longimerus Santos & Azevedo, 2000, A. nigripes Evans, 1966, A. proteus Evans, 1966, A. rotundus Santos, 2002, A. similis Santos & Azevedo, 2000, A. triangularis Moreira & Azevedo, 2003, A. trinitatis Evans, 1966 e A. tuberosus Santos & Azevedo, 2000, incluindo citações geográficas novas e suas variações taxonômicas, sendo o primeiro registro de A. bipartitus, A. dentatus, A. similis e A. trinitatis para a Mata Atlântica.

A new species of Stilobezzia Kieffer from the neotropical region (Diptera, Ceratopogonidae)

A new species from the Neotropical Region, Stilobezzia (Stilobezzia) pseudopunctulata Cazorla & Ronderos, is described and illustrated based on male and female adults and pupal exuviae. Adults were collected in the Argentinian provinces of Chaco, Formosa, Corrientes and Buenos Aires, and in Santa Cruz, Bolivia. The pupa was collected from mats of floating aquatic macrophytes in a lagoon in Ilha da Marchantería, in the vicinities of Manaus, Brazil. This new species is compared with its similar congener Stilobezzia punctulata Lane, from which it can be mainly distinguished by the wing with only two dark spots, the parameres longer and hook-shaped, the pupal respiratory organ with 11-12 pores and the very short apicolateral processes of the anal segment.