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Registros recuperados: 15
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Descrição de uma nova espécie de Rhopalurus thorell, 1876 (scorpiones: Buthidae) do nordeste brasileiro Biota Neotropica
Lenarducci,Ângelo Ricardo I. P.; Pinto-da-Rocha,Ricardo; Lucas,Sylvia Marlene.
Rhopalurus guanambiensis n.sp. é descrita de Guanambi, Estado da Bahia, nordeste do Brasil. A nova espécie aproxima-se de R. lacrau Lourenço & Pinto-da-Rocha, 1997 (Itaeté, Estado da Bahia) por apresentar o mesmo número de séries de grânulos no dedo móvel da quela do pedipalpo, igual quantidade de carenas nos segmentos metasomais I, III, IV e V e pelo tamanho do corpo semelhante; aproxima-se de R. crassicauda Di Caporiacco, 1947 (Estado da Roraima) por apresentar o mesmo número de carenas nos segmentos metasomais I, II, IV e V, pela coloração mais escura dos dois últimos segmentos metasomais, que são dilatados e por apresentar aproximadamente o mesmo tamanho. Distingue-se de R. lacrau pela coloração diferente da carapaça, mesosoma e dos segmentos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpiones; Buthidae; Rhopalurus guanambiensis sp. n.; Nordeste; Brasil.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000200015
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DISTRIBUCIÓN DE Centruroides edwardsii (GERVAIS, 1843) EN EL DEPARTAMENTO EN ANTIOQUIA, COLOMBIA Acta biol.Colomb.
CUPITRA VERGARA,Nelson Iván; CUBIDES CUBILLOS,Sergio; SALDARRIAGA-CORDOBA,Mónica María; ESTRADA-GÓMEZ,Sebastián.
Se reporta la distribución de Centruroides edwardsii (Gervais, 1843) para el departamento de Antioquia, y el área urbana de su capital político-administrativa, la ciudad de Medellín, Colombia, con base a material depositado en la colección del Serpentario de la Universidad de Antioquia (SUA). Se estableció dimorfismo sexual en C. edwardsii, mediante análisis de escalamiento multidimensional y el modelo ANOSIM, encontrando que los machos son más grandes que las hembras. Se reporta para el área zona centro y nor-oriental de Medellín una importante colonia de este escorpión, hecho de gran relevancia debido a la importancia clínica de este escorpión. Se amplía además el rango de distribución desde el nivel del mar hasta los 2200 m s.n.m.
Tipo: Journal article Palavras-chave: Antioquia; Buthidae; Centruroides; Colombia; Taxonomía.
Ano: 2015 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2015000100021
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Equipment based on high power UV and white light LEDs to collect and observe scorpions (Arachnida: Scorpiones) and other fluorescent organisms Rev. Bras. Zool.
Ramires,Eduardo N.; Peracetta,Luiz F.; Nogas,Cláudio; Navarro-Silva,Mário A.; Paladini,Edson P..
We introduce a new, high quality, low cost and versatile LEDs-based handset device that emits high power UV and white light, which can be used interchangeably. It offers power control and has long battery life. Even though it is optimized to detect and collect scorpions under low light conditions, it can also be used with other groups of fluorescent organisms. The device achieved superior performance in field and laboratory trials when compared with a 12 LEDs low power UV flashlight, and a 46 W black fluorescent light lamp, to locate Tityus serrulatus Lutz & Mello, 1922.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Buthidae; Fluorescence; Invertebrate collecting methods; Pest control.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400015
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Frequency of spermatophore production and regeneration in the males of Tityus (Atreus) magnimanus Pocock, 1897 (Scorpiones, Buthidae) J. Venom. Anim. Toxins incl. Trop. Dis.
Ross,LK.
The frequency of spermatophore production and the amount of time between matings for laboratory-reared males of Tityus (Atreus) magnimanus to regenerate spermatophores were examined. Males attain sexual maturity at the fifth or sixth instar (after a period of 137 to 155 days) and can produce initial spermatophores shortly after maturation. After mating, males can regenerate spermatophores within a single 24-hour period and remate. The present contribution represents the first report on an aspect of reproductive biology in this species and is part of a continuing study of the life history and post-embryonic development of Tityus (Atreus) magnimanus.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpions; Buthidae; Tityus (Atreus) magnimanus; Courtship; Mating; Spermatophores; Sperm transfer.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000100014
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Litter size, effects of maternal body size, and date of birth in South American scorpions (Arachnida: Scorpiones) Rev. Bras. Zool.
Outeda-Jorge,Sabrina; Mello,Thayná; Pinto-da-Rocha,Ricardo.
We present new data on litter size and date of birth (month) for 21 South American scorpions species. We provide data for one katoikogenic species, the liochelid Opisthacanthus cayaporum Vellard, 1932 (offspring = 3; birth month: Jan); and for several apoikogenic species, such as the bothriurids Bothriurus araguayae Vellard, 1934 (53; Sep), B. rochensis San Martín, 1965 (22-28; Jan, Aug); the buthids Ananteris balzanii Thorell, 1891 (10-34; Jan-Mar), Physoctonus debilis (Koch, 1840) (2; Sep), Rhopalurus amazonicus Lourenço, 1986 (19; Nov), R. lacrau Lourenço & Pinto-da-Rocha, 1997 (30; Dec), R. laticauda Thorell, 1876 (41; Nov), R. rochai Borelli, 1910 (11-47; Dec-Jan, Mar-Apr), Tityus bahiensis (Perty, 1833) (4-23; Oct-Mar), T. clathratus Koch,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bothriuridae; Buthidae; Chactidae; Liochelidae; Reproductive investment.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100008
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Morphological identification of scorpion species from Jazan and Al-Medina Al-Munawara regions, Saudi Arabia J. Venom. Anim. Toxins incl. Trop. Dis.
Al-Asmari,A. K.; Al-Saif,A. A.; Abdo,N. M..
The present work is a complementary contribution to the comprehensive study of the scorpion sting syndrome in Saudi Arabia. It deals with the identification and determination of medically important scorpions and the other ones, which were collected from two regions (Jazan and Al-Medina Al-Munawara), based on their morphology (the molecular phylogeny and venom characteristics will appear in subsequent publications). The specimens collected from those two regions were brought to the Research Center laboratories in several batches. Morphological identification of the collected specimens was done employing identification keys. There were 646 specimens collected from Jazan Region. A single species, Nebo hierichonticus (Family Diplocentridae), and five genera...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morphology; Parabuthus liosoma; Hottentotta jayakari; Buthidae; Jazan.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992007000400012
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Notes and observations on courtship and mating in Tityus (Atreus) magnimanus Pocock, 1897 (Scorpiones: Buthidae) J. Venom. Anim. Toxins incl. Trop. Dis.
Ross,LK.
Courtship and mating behaviors of the scorpion Tityus (Atreus) magnimanus are herein described, consisting of various components that pertain to four distinct behavioral stages. The courtship and mating rituals of Tityus (Atreus) magnimanus are similar to those of other scorpions. Behavioral components are presented in an ethogram to demonstrate their occurrence during mating sequences. The current report is presented as observational data that were acquired during life history studies of this species.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpions; Buthidae; Tityus (Atreus) magnimanus; Courtship; Mating; Promenade á deux; Sperm transfer.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000100005
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Notes on gestation periods and litter size in the arenicolous buthid scorpion Leiurus quinquestriatus (Ehrenberg, 1828) (Scorpiones: Buthidae) J. Venom. Anim. Toxins incl. Trop. Dis.
Ross,LK.
The following notes on gestation periods and litter size in seven specimens of Leiurus quinquestriatus are presented as observational data. Specimens of Leiurus quinquestriatus from southern Egypt and southern Israel were mated in the laboratory during 2007; afterwards, gestation periods and litter sizes of all females were recorded. Previous studies on this species reported that the gestation period ranged from 150 to 155 days and that litter size was between 12 and 99 offspring. In the present study, gestation periods in specimens from both geographic regions varied from 155 to 227 days and litter sizes were between 35 and 87 offspring. The current contribution expands on previously published data on gestation periods and supports previously reported...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpions; Buthidae; Leiurus quinquestriatus; Gestation period; Litter size.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992009000200015
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Scorpion incidents, misidentification cases and possible implications for the final interpretation of results J. Venom. Anim. Toxins incl. Trop. Dis.
Lourenço,Wilson R..
Abstract The aim of this contribution is to bring general information on the classification and in particular on the specific identification of scorpion species dangerous to humans. Several generic groups are taken into consideration, but the Neotropical genus Tityus C. L. Koch, 1836 is used as a major example. The content of this paper is mostly addressed to non-specialists whose research embraces scorpions in several fields such as venom toxins and public health. Although efforts have been made in the last 20 years to create better links between ‘true scorpion experts’ and non-specialists who use scorpions in their research, such exchanges had never led to a consensus among those different branches of biological and medical research. Consequently, many...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpion; Dangerous species; Misidentification; Biased results; Buthidae; Tityus.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992016000100202
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Second record of Tityus bahiensis (Scorpiones, Buthidae) from Venezuela: epidemiological implications J. Venom. Anim. Toxins incl. Trop. Dis.
De Sousa,L.; Borges,A.; Manzanilla,J.; Biondi,I.; Avellaneda,E..
This work reports the second record of the scorpion Tityus bahiensis Perty from Venezuela. The specimen was found alive in a wardrobe at a hotel resort in Margarita Island, northeastern Venezuela. Morphological characterization allowed its assignment to the Tityus bahiensis population inhabiting the southernmost area of the species' geographic range, e.g. the state of São Paulo in Brazil, northern Argentina and Paraguay. The fact that the only available Venezuelan antiscorpion (anti-Tityus discrepans) serum does not neutralize the effects of alpha- and beta-toxin from Tityus serrulatus venom (which resembles in composition that of T. bahiensis) constitutes a warning to local clinicians confronted with envenomations by noxious species transported to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tityus; Scorpiones; Buthidae; Exotic species.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992008000100015
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The evolution and distribution of noxious species of scorpions (Arachnida: Scorpiones) J. Venom. Anim. Toxins incl. Trop. Dis.
Lourenço,Wilson R..
Abstract This contribution attempts to bring some general information on the evolution and, in particular, on the geographic distribution of scorpion species noxious to humans. Since 95% of the scorpions incidents are generated by specimens of the family Buthidae C. L. Koch, the analysis will be limited to this familial group. As in previous similar contributions, the content of this work is mostly addressed to non-specialists whose research embraces scorpions in several fields such as venom toxins and public health. Only in recent years, efforts have been made to create better links between ‘academic scorpion experts’ and other academic non-specialists who use scorpions in their research. Even if a larger progress can yet be expected from such exchanges,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpion; Noxious species; Patterns of distribution; Biased results; Buthidae.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992018000100201
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The first report of Tityus (Scorpiones: Buthidae) in Anzoátegui State, Venezuela: a new species J. Venom. Anim. Toxins incl. Trop. Dis.
Quiroga,M.; de Sousa,L.; Parrilla-Álvarez,P.; Manzanilla,J..
Tityus gonzalespongai n. sp. is a species endemic to the high mountains of Anzoátegui State, Venezuela. It is found between 1,600 and 2,200 m in ''La Laguna'' mountain. Its habitat includes the area of ''Bosque Húmedo Montano Bajo'' with the type of vegetation of ''Bosque Ombrófilo Montano Siempreverde'' (''Bosques Nublados Costeros'' that includes the ''Subpáramos Arbustivos''). It is distinguished from other Tityus species (T. caripitensis, T. monaguensis, and T. nororientalis) by the following characteristics: 1- the disposition of the trichobothria in the pedipalps; 2- ventral keels of the caudal segments of the metasoma (segment II, double and parallel in the proximal two thirds, then convergent and finally divergent in the base; segments III and IV,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpion; Buthidae; Tityus gonzalespongai; New species; Turimiquire; Anzoátegui; Venezuela.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992004000100003
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Uma nova espécie de Tityus C. L. Koch, 1836 (Scorpiones, Buthidae) do estado da Bahia, Brasil Biota Neotropica
Candido,Denise Maria; Lucas,Sylvia; Souza,Cláudio Augusto Ribeiro de; Diaz,Diego; Lira-da-Silva,Rejâne Maria.
Uma nova espécie do gênero Tityus C.L. Koch, 1836 (Scorpiones, Buthidae) é descrita dos municípios de Anagé (36'44''14S - 08'08''41W) e Poções (31'47''14S - 21'55''40W) no estado da Bahia, Brasil. Tityus aba n. sp pertence ao grupo Tityusbahiensis (Lourenço, 2002), caracterizado por espécies de tamanho que variam de cinco a sete cm de comprimento, com colorido variando do amarelo - palha ao marrom avermelhado e sem a lâmina mediana basal dilatada nas fêmeas. Neste grupo, aproxima-se das espécies do complexo Tityusstigmurus (Lourenço, 2001). A nova espécie é mais próxima de Tityus stigmurus (Thorell, 1876), Tityus martinpaechi Lourenço, 2001 e de Tityus melici Lourenço, 2003, distinguindo-se da primeira por apresentar o prossoma quase totalmente negro,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scorpiones; Buthidae; Tityus aba n.sp. Bahia; Brasil.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000200018
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Variaciones meióticas y evolución cromosómica en insectos y arácnidos con cromosomas holocinéticos JBAG
Mola,L. M; Rebagliati,P. J; Rodríguez Gil,S. G; Adilardi,R. S.
Los estudios citogenéticos en grupos modelo de insectos (Odonata y Heteroptera) y arácnidos (Dysderoidea y Buthidae) con cromosomas holocinéticos nos han permitido determinar diferencias en el comportamiento meiótico de autosomas y cromosomas sexuales (meiosis pre- o post-reduccional, quiasmática o aquiasmática, actividad telocinética u holocinética) y en la frecuencia y distribución de las mutaciones cromosómicas (fusiones, fragmentaciones y translocaciones en homocigosis o heterocigosis) en la evolución del cariotipo.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Cromosomas holocinéticos; Meiosis; Evolución cromosómica; Odonata; Heteroptera; Dysderoidea; Buthidae.
Ano: 2011 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1852-62332011000100012
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Venezuelan arachnids: two new species of the Tityus genus (scorpionida: buthidae) and the chromatographic profile of venom as a possible taxonomical tool J. Venom. Anim. Toxins
GONZALEZ-SPONGA,M. A.; D'SUZE,G.; SEVCIK,C..
Two new species of the Tityus genus are described. T. isabelceciliae n. sp lives on the northern central slope of the Cordillera de la Costa. It belongs to the discrepans group and is dangerous to man due to its high number, aggressive behavior, domiciliary habits, and high toxicity of its venom. T. isabelceciliae venom is similar to other Tityus in relation to the molecular weight range and the biological activity of its components. However, the proportions of each fraction in the venom pooled from many T. isabelceciliae differ from the proportions in other Tityus, indicating that these proportions may have a taxonomical value. The venom LD50 is 38.1 (36.3, 39.9) µg/g mouse (Death in 30 min, Dixon and Mood (14) sequential method, median and 95% confidence...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arachnids; Scorpions; Buthidae; Tityus; New species; Venom chromatographic profile; Venezuela.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-79302001000200007
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