Results 21 to 30 of about 1,420 (166)

Alien spiders: First record of Loxosceles gaucho Gertsch, 1967 (Araneae: Sicariidae) in the Amazon region, Brazil [PDF]

open access: yesPapéis Avulsos de Zoologia, 2019
We present the first record for Loxosceles gaucho Gertsch, 1967 in the Amazonian region of Brazil. Four males, fifteen females and forty-nine immatures were collected in different places in Manaus, Amazonas, Brazil.
Marlus Queiroz Almeida   +5 more
doaj   +7 more sources

New record and distribution of Loxosceles amazonica Gertsch, 1967 (Araneae: Sicariidae) in the state of Ceará, Brazil [PDF]

open access: goldCheck List, 2014
The spiders of the genus Loxosceles Heineken & Lowe, 1832 have a wide distribution in tropical and temperate regions and 30 species have been recorded for South America.
Raul Azevedo   +3 more
doaj   +4 more sources

Primeiro registro sinantrópico de Loxosceles laeta (Nicolet, 1849) (Araneae, Sicariidae) no Município do Rio de Janeiro, Estado do Rio de Janeiro First synanthropic record of Loxosceles laeta (Nicolet, 1849) (Araneae, Sicariidae) in the municipality of Rio de Janeiro, State of Rio de Janeiro [PDF]

open access: diamondRevista da Sociedade Brasileira de Medicina Tropical, 2009
Loxosceles laeta é a espécie de aranha-marrom de maior importância médica, causando acidentes de maior gravidade, além de apresentar hábito sinantrópico.
Adriano Lima Silveira
doaj   +2 more sources

Long time not seen: Expanding the records of Loxosceles amazonica (Araneae: Sicariidae) in the Amazonas state, Brazil [PDF]

open access: diamondActa Amazonica, 2017
Spiders of the genus Loxosceles, commonly known as brown recluse spiders, can cause serious accidents in humans. Their venom has a powerful proteolytic and hemolytic action.
Marlus Q. ALMEIDA   +5 more
doaj   +3 more sources

Development of Loxosceles intermedia Mello-Leitão (1934) (Araneae, Sicariidae) genital tract [PDF]

open access: yesBrazilian Journal of Biology
We examined the post-embryonic development of the male and female genital apparatus of the brown spider, Loxosceles intermedia. The development of the genital apparatus for both sexes begins with the appearance of inner structures.
A. Margraf   +5 more
doaj   +2 more sources

New Record of Spiders (Arachnida: Araneae) from Bashagard District, Southern Iran, with the Report of a Medically Important Species. [PDF]

open access: yesJ Trop Med, 2022
Spiders are the largest order of arachnids with some medically important species. Considering that no comprehensive research has been conducted on the fauna and distribution of Araneae in Bashagard County (Hormozgan Province) so far, the present investigation has been carried out on these essential issues in this deprived tropical region.
Hosseinpour A   +3 more
europepmc   +2 more sources

First record of Sicarius rugosus (F.O. Pickard-Cambridge, 1899) (Araneae: Sicariidae) in Guatemala

open access: diamondRevista Chilena de Entomología
For the first time, the species Sicarius rugosus is recorded from Guatemala, based on a male and two immatures collected in the department of Zacapa and a female from the department of El Progreso. The specimens of S.
Alex M. Cubas-Rodríguez   +1 more
doaj   +2 more sources

New Records of Loxosceles amazonica Gertsch, 1967 (Arachnida: Araneae: Sicariidae) from Tocantins, Brazil with Description of Female Genitalia Variation

open access: goldEntomoBrasilis
The knowledge of arachnofauna from Tocantins, Brazil, is still incipient. The present communication expands the known geographical distribution of Loxosceles amazonica Gertsch, 1967 (Arachnida: Araneae: Sicariidae) in Brazilian Cerrado. The brown spider
Kassia Madaleno, Lidianne Salvatierra
doaj   +3 more sources

Two new Brazilian species of Loxosceles Heinecken & Lowe, 1832 with remarks on amazonica and rufescens groups (Araneae, Sicariidae)

open access: goldZooKeys, 2017
The genus Loxosceles Heinecken & Lowe, 1832 has 91 representatives in the New World. Despite medical relevancy, the taxonomy of the genus is poorly understood.
Caroline Sayuri Fukushima   +2 more
doaj   +4 more sources

Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City [PDF]

open access: yesZooKeys, 2019
A new species of the spider genus Loxosceles Heineken & Lowe, 1832, Loxosceles tenochtitlan Valdez-Mondragón & Navarro-Rodríguez, sp. nov., is described based on adult male and female specimens from the states of Mexico City, Estado de ...
Alejandro Valdez-Mondragón   +4 more
doaj   +4 more sources

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