Ingestion of catfish by freshwater stingray: possible mistake or inexperience

Conselho Nacional de Desenvolvimento Cient��fico e Tecnol��gico (CNPq)

The taxonomic status of Leptodactylus geminus Barrio, 1973

The advertisement calls of Leptodactylus geminus, Leptodactylus gracilis, Leptodactylus plaumanni, and Leptodactylus fuscus are analyzed and compared with published reports. Based on calling data and examination of type material, Leptodactylus geminus is synonymized with L, plaumanni. To differentiate between the sibling species L. gracilis and L. plaumanni, fieldwork is needed, including recording of advertisement calls. Reliable identification of red specimens is not possible based on morphology and coloration alone.

Redescription of Physalaemus barrioi (Anura: Leiuperidae)

Funda����o de Amparo �� Pesquisa do Estado de S��o Paulo (FAPESP)

Espermiog��nese em Eupemphix nattereri (Anura, Leiuperidae): aspectos ultra-estruturais

Funda����o de Amparo �� Pesquisa do Estado de S��o Paulo (FAPESP)

Comunidades de aranhas (Araneae) em cultivos de seringueira (Hevea brasiliensis Muell. Arg.) no Estado de S��o Paulo

Funda����o de Amparo �� Pesquisa do Estado de S��o Paulo (FAPESP)

Zoeal morphology of Pachygrapsus transversus (Gibbes) (Decapoda, Grapsidae) reared in the laboratory

Conselho Nacional de Desenvolvimento Cient��fico e Tecnol��gico (CNPq)

Morfoanatomia das br��cteas em Heliconia (Heliconiaceae) ocorrentes no Estado de S��o Paulo, Brasil

Funda����o de Amparo �� Pesquisa do Estado de S��o Paulo (FAPESP)

Estrutura foliar de esp��cies de Aechmea Ruiz & Pav. (Bromeliaceae) do Estado de S��o Paulo, Brasil

Conselho Nacional de Desenvolvimento Cient��fico e Tecnol��gico (CNPq)

Elongamento do enxerto de tend��es do m��sculo gr��cial e semitendinoso humanos: estudo realizado em cad��veres de adultos jovens

Na cirurgia de reconstru����o do ligamento cruzado anterior do joelho, os enxertos de tend��es aut��logos s��o a principal op����o como substitutos ligamentares. Entretanto, uma das raz��es da falha da reconstru����o ligamentar com tecidos moles �� o estiramento ou elongamento do enxerto com o tempo. Neste trabalho, foram ensaiados oito tend��es do m��sculo gr��cil e oito do m��sculo semitendinoso humanos, obtidos de quatro cad��veres do sexo masculino, com idade m��dia de 24,5 anos. Cada tend��o foi submetido a uma deforma����o relativa constante de 2,5% durante 600 s, com registro cont��nuo do relaxamento de for��a. A seguir, o tend��o retornava ao seu comprimento inicial e era mantido num per��odo de repouso de 300 s. Ap��s este intervalo, um segundo ensaio, semelhante ao primeiro, era realizado. A velocidade de carregamento empregada foi de 10% do comprimento inicial do corpo de prova por segundo. Foram obtidos valores de for��a inicial, com 300 s e 600 s nos dois ensaios. A an��lise estat��stica sugere um comportamento mec��nico mais uniforme para o tend��o do m��sculo semitendinoso quando comparado ao tend��o do m��sculo gr��cil.

Attraction of ambrosia beetles (Coleoptera : Scolytidae) to different tropical pine species in Brazil

Ambrosia beetles are the predominant Scolytidae in Brazil. Little is known about the attractiveness of exotic conifer tree volatiles to native scolytids. Objectives were to compare the attractiveness of logs with and without bark of Pinus oocarpa Schiede, P. caribaea variety bahamensis Barrett & Golfari, P, car. variety caribaea Barrett & Golfari and P. car. variety hondurensis Barrett & Golfari over time to native scolytids in different pine stands, to compare the relative attractiveness of logs relative to ethanol traps, to determine how long it takes for logs to become attractive to ambrosia beetles and when attraction peaks occur, and to determine if volatiles released by live standing trees would mask volatiles released by logs of the same species. In young stands, Hypothenemus was the predominant insect genus, whereas in older stands Xyleborus predominated. Debarked logs trapped more beetles than logs with bark. Pine log species attractiveness was not influenced by volatiles present in the stand. Beetles were divided into the following 3 groups, based on response to log volatiles and ethanol: (1) species attracted to ethanol and not responding to pine terpenes Ambrosiodmus hagedorni (Iglesia), A. retusus (Eichhoff), X. spinulosus Blandford, Corthylus schaufussi Schiede, Cryptocarenus heveae (Hagedorn), H. obscurus (F.), (2) species attracted to ethanol but responding to pine terpenes Xyleborinus gracilis (Eichhoff), X. affinis Eichhoff, H. eruditus Westwood, Premnobius cavipennis Eichhoff, and (3) species more attracted to pine terpenes and less responsive to ethanol, A. obliquus (Le Conte), X. ferrugineus F,, X. catulus Blandford. Pinus car. ;variety bahamensis was the least attractive pine, P. oocarpa the most attractive. The attraction peak varied according to the season; logs were not attractive to beetles 10 wk after cutting.

THE TADPOLE of PHYSALAEMUS MOREIRAE (ANURA: LEIUPERIDAE)

Funda����o de Amparo �� Pesquisa do Estado de S��o Paulo (FAPESP)

Effects of food quality on growth and biochemical composition of a calanoid copepod, Argyrodiaptomus furcatus, and its importance as a natural food source for larvae of two tropical fishes

Growth, reproduction and biochemical composition were analyzed for the copepod Argyrodiaptomus furcatus fed on the alga Ankistrodesmus gracilis grown in different media. The ingestion of this copepod by larvae of two species of tropical fishes was also evaluated. The mean peak density of the copepod population was 1369 individuals 1-1 for all four diets used, and the highest was 1387 individuals 1-1 on diet ARV (algae + ration + vitamins). A small copepod, A. furcatus tends to have a short life span. The smallest females did not attain maturity in the shortest time on all diets used. Food quality may play a major role in the dynamics of the biochemical composition of this copepod. Argyrodiaptomus furcatus was a more important food item for larvae of tambaqui (Colossoma macropomum) than of pacu (Piaractus mesopotamicus). However, it made up a large part of the gut contents of larvae of both species.

Helmintos parasitos de moc��s (Kerodon rupestris Rodentia: Caviidae) de vida livre e de cativeiro, no semi-��rido nordestino Brasileiro

This study shows the helminthic fauna of 16 rock cavies (Kerodon rupestris) from the semi-arid region in the State of Rio Grande do Norte, Brazil. Nine animals were captured from the wild and seven from a captive population located at the Centro de Multiplica����o de Animais Silvestres, city of Mossor��, were examined in this study. The animals were slaughtered, and post mortem analysis of the digestive tract, trachea, heart, lungs, liver, pancreas, and kidneys were done in search for the presence of parasites. Five species of nematode (Paraspidodera uncinata, Trichostrongylus colubriformis, Trichuris gracilis, Trichuris muris, and Vianella lenti) and one species of cestode (Thysanotaenia congolensis) were identified.

A systematic review of feather mites of the pterodectes generic complex (acari: Proctophyllodidae: Pterodectinae) with redescriptions of species described by vladim��r cern��

Five species of feather mites originally described in the genus Pterodectes by Vladimir ��ern�� (1974) are redescribed: Pterodectes havliki, P. maculatus , P. reticulatus, P. storkani, P. thraupicola and P. troglodytis. The formerly unknown males of P. thraupicola and P. reticulatus and the female of P. maculatus are described for the first time. A synopsis of known species of the Pterodectes generic complex is presented, and species content of the genus Pterodectes is revised. Fifteen species previously included in this genus are transferred to the new genus Amerodectes gen. n.: Amerodectes atyeoi (OConnor et al., 2005) comb. n., A. bilineatus (Berla, 1958) comb. n., A. geothlypis (Berla, 1973) comb. n., A. gracilis (Trouessart, 1885) comb. n., A. maculatus comb. n., A. molothrus (Mironov, 2008) comb. n., A. nordestensis (Berla, 1958) comb. n., A. paroariae (Mironov, 2008) comb. n., A. pitangi (Mironov, 2008) comb. n., A. tangarae (Mironov, 2008) comb. n., A. turdinus (Berla, 1959) comb. n., A. sialiarum (Stoll, 1893) comb. n., A. storkani (��ern��, 1974) comb. n., A. thraupicola (c��ern��, 1974) comb. n., and A. troglodytis (��ern��, 1974) comb. n. Five species are transferred to the genus Tyrannidectes Mironov, 2008: Tyrannidectes amaurochalinus (Hernandes et Valim, 2006) comb. n., T. banksi (Valim et Hernandes, 2008) comb. n., T. crassus (Trouessart, 1885) comb. n., T. fissuratus (Hernandes et Valim, 2005) comb. n., and T. reticulatus (Cern��, 1974) comb. n.; and one species is moved to the genus Metapterodectes Mironov, 2008: Metapterodectes muticus (Banks, 1909) comb. n. The genus Pterodectes remains monotypic, with the type species P. rutilus Robin, 1877. �� Acarina 2010.

Sistema pigmentar extracut��neo e morfologia testicular em Anuro (Physalaemus nattereri e Physalaemus fuscomaculatus)

Coordena����o de Aperfei��oamento de Pessoal de N��vel Superior (CAPES)