Loxosceles niedeguidonae (Araneae, Sicariidae) a new species of brown spider from Brazilian semi-arid region
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Loxosceles niedeguidonae (Araneae, Sicariidae) a new species of brown spider from Brazilian semi-arid region
A new species of recluse spider, Loxosceles niedeguidonaesp. n., is described from the Parque Nacional Serra da Capivara, State of Piauí, Brazil. This is the first endemic species described from Brazilian semi-arid environment. The species is included in gaucho group of Gertsch (1967) due to its spermathecal shape and is considered close to Loxosceles chapadensis Bertani, Fukushima & Nagahama, ...
متن کاملBrown widow spider bite (Loxosceles sp., Araneae, Sicariidae): A case report from Kashan, Iran
A 48-year-old woman who worked as a cleaner in a Kashan University of Medical Sciences dormitory received a spider bite while collecting garbage on a summer afternoon. She feltimmediate irritation on her arm. She noticed a spider, which she removed and killed. The irritation, itching, and redness on her arm continued. Her hand became edematous and painful after four days and she suffered from i...
متن کاملEvaluation of fixative solutions for ultrastructural analysis of brown spider Loxosceles intermedia (Araneae: Sicariidae) tissues.
In view of the widely varying compositions of fixative solutions used for studying spiders, five different fixative formulas were tested for fixing male brown-spider (Loxosceles intermedia) gonad tissues. The brown spider represents a public health problem in Curitiba (Paraná State, Brazil). Morphological study of its gonads may aid in understanding the reproductive strategies of this species, ...
متن کاملFirst Record of the Mediterranean Recluse Spider Loxosceles rufescens (Araneae: Sicariidae) from Iran
Loxosceles rufescens, commonly known as the Mediterranean Recluse or Mediterranean Fiddle-Back Spider is recorded from Iran for the first time. The genus Loxosceles contains 103 accepted species, two of them (including L. rufescens) are cosmopolitan. All Loxosceles species tested so far possess necrotic venoms, which is a unique characteristic among the Order Araneae. Considering this character...
متن کاملMediterranean Recluse Spider, Loxosceles rufescens (Araneae: Sicariidae) from Charkhab Cave, Southern Iran
BACKGROUND The best-known dangerous spiders belong to the six genera. The genus Loxosceles or violin spiders are well known for their ability to cause skin necrosis or loxoscelism. All Loxosceles species have medical importance due to their necrotizing venom. The present article reports the occurrence of L. rufescens in Charkhab Cave, south of Iran (Larestan). METHODS The specimens were colle...
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ژورنال
عنوان ژورنال: ZooKeys
سال: 2012
ISSN: 1313-2970,1313-2989
DOI: 10.3897/zookeys.175.2259