brown recluse spider

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Related to Loxosceles reclusa: Fiddleback spider

brown recluse spider

or

violin spider,

poisonous nocturnal spiderspider,
organism, mostly terrestrial, of the class Arachnida, order Araneae, with four pairs of legs and a two-part body consisting of a cephalothorax, or prosoma, and an unsegmented abdomen, or opisthosoma.
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, Loxoceles reclusa, most common in the SE and S central United States. Adults are 3-8 in. (10 mm) long and are light brown with a dark, violin-shaped mark on the back near the head. In humans their venom kills the tissue surrounding a bite and leaves a deep sore, but only rarely does a bite result in death.
References in periodicals archive ?
0 [mu]g aliguot of whole venom of Loxosceles reclusa (SpiderPharm, Yarnell, AZ) in 0.
Platelet aggregation and sphingomyelinase D activity of a purified toxin from the venom of Loxosceles reclusa.
Envenenamiento por Loxosceles reclusa (arana "parda").
Loxoscelismo local dermonecrotico en ninos mordidos por la arana Loxosceles reclusa (arana "violin ista").
15) El veneno de Loxosceles reclusa induce la produccion de b y a quimoquinas tales como el Regulador Expresado y Secretado de la Activacion de Linfocitos T Normales (RANTES), la proteina quimioatrayente de monocitos 1 (MCP-1), la IL-8 y el Oncogen Relacionado a Crecimiento alfa (GRO--a), las cuales probablemente esten participando en la aparicion de la dermonecrosis mediada por neutrofilos y linfocitos T.
Identification and neutralization of biological activities associated with venom from the brown recluse spider, Loxosceles reclusa.
Diagnosis of Loxosceles reclusa envenomations is currently based upon clinical presentation.
Cold temperature tolerance and distribution of the brown recluse spider Loxosceles reclusa (Araneae, Sicariidae) in Illinois.
Knost & Rovner (1975) experimentally demonstrated that wolf spiders (Lycosidae) Schizocosa ocreata (Hentz 1844) as well as Rabidosa rabida (Walckenaer 1837) and Rabidosa punctulata (Hentz 1844) scavenged on old-dead insect parts when freshly killed insects were not available, and Sandidge (2003) described the preference of Loxosceles reclusa Gertsch & Mulaik 1940 (Sicariidae) for dead over live prey.
Observations on Loxosceles reclusa Gertsch & Mulaik 1940, feeding on various species of short-horned grasshoppers are presented.