How to Identify Sicariidae

Sicariidae is a animal family in the Animalia kingdom, order Araneae, class Arachnida. The family contains 14 accepted species worldwide.

Key Identification Features

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Representative Sicariidae Species

How to identify Loxosceles intermedia Mello-Leitão, 1934

Loxosceles intermedia Mello-Leitão, 1934

Loxosceles intermedia Mello-Leitão, 1934

Loxosceles intermedia is a recluse spider native to Brazil and Argentina, often …

How to identify Loxosceles reclusa Gertsch & Mulaik, 1940

Loxosceles reclusa Gertsch & Mulaik, 1940

Loxosceles reclusa Gertsch & Mulaik, 1940

Loxosceles reclusa, the brown recluse, is a North American spider with restricte…

How to identify Loxosceles laeta (Nicolet, 1849)

Loxosceles laeta (Nicolet, 1849)

Loxosceles laeta (Nicolet, 1849)

Loxosceles laeta, the Chilean recluse, is a large South American recluse spider …

How to identify Sicarius tropicus (Mello-Leitão, 1936)

Sicarius tropicus (Mello-Leitão, 1936)

Sicarius tropicus (Mello-Leitão, 1936)

Sicarius tropicus is a venomous six-eyed sand spider endemic to Brazil’s South A…

How to identify Sicarius thomisoides Walckenaer, 1847

Sicarius thomisoides Walckenaer, 1847

Sicarius thomisoides Walckenaer, 1847

Sicarius thomisoides is a medium-sized nocturnal spider from Chile, with venom e…

How to identify Loxosceles simillima Lawrence, 1927

Loxosceles simillima Lawrence, 1927

Loxosceles simillima Lawrence, 1927

Loxosceles simillima is a common southern African Sicariidae spider known as the…

How to identify Loxosceles devia Gertsch & Mulaik, 1940

Loxosceles devia Gertsch & Mulaik, 1940

Loxosceles devia Gertsch & Mulaik, 1940

Loxosceles devia, the Texas recluse, is a Sicariidae recluse spider found in the…

How to identify Loxosceles gaucho Gertsch, 1967

Loxosceles gaucho Gertsch, 1967

Loxosceles gaucho Gertsch, 1967

Loxosceles gaucho, the Brazilian brown spider, is a venomous recluse species tha…

How to identify Loxosceles rufescens (Dufour, 1820)

Loxosceles rufescens (Dufour, 1820)

Loxosceles rufescens (Dufour, 1820)

Loxosceles rufescens, the Mediterranean recluse, is an invasive, venomous, noctu…

How to identify Loxosceles deserta Gertsch, 1973

Loxosceles deserta Gertsch, 1973

Loxosceles deserta Gertsch, 1973

Loxosceles deserta, the desert recluse, is a Sicariidae spider found in the sout…

Browse all 14 Sicariidae species →

Frequently Asked Questions

How do you identify Sicariidae?

Sicariidae animals belong to the Araneae order in the Animalia kingdom. Brown recluses have no obvious distinct color patterns on their abdomens or legs, and their legs have no spines. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Sicariidae?

Sicariidae is classified in the order Araneae, class Arachnida, phylum Arthropoda. Like most recluse spiders, it is brown, and usually has markings on the dorsal side of its thorax, with a black line extending from the marking that resembles a violin.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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