Coneweb spiders (Diguetidae) are six-eyed haplogyne

spider Spiders (order (biology), order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude spider silk, silk. They are the largest order of arachnids and ran ...

s that live in tangled space

web Web most often refers to: * Spider web, a silken structure created by the animal * World Wide Web or the Web, an Internet-based hypertext system Web, WEB, or the Web may also refer to: Computing * WEB, a literate programming system created by ...

s, fashioning a cone-like central retreat where they hide and lay

egg An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the ...

s. It is a small family, containing only two

genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...

split between a range in the Southwestern United States and Mexico and a range in South America. Members of the genus '' Diguetia'' usually build their webs in shrubs or between

cactus A cactus (: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (), a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word ''cactus'' derives, through Latin, ...

pads. They have the same eye arrangement as the

venomous Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a sti ...

recluse spider The recluse spiders (''Loxosceles'' (), also known as brown spiders, fiddle-backs, violin spiders, and reapers, are a genus of spiders that were first described by R. T. Lowe in 1832. They are venomous spiders known for their bite, which sometime ...

s (family ''Sicariidae'').

Taxonomy

The group was first created by F. O. Pickard-Cambridge in 1899 as the subfamily Diguetiinae of the family Scytodidae. It was raised to the rank of family by Willis J. Gertsch using the spelling "Diguetidae". Pickard-Cambridge's use of double "i" is correct according to Article 29.3 of the

International Code of Zoological Nomenclature The International Code of Zoological Nomenclature (ICZN) is a widely accepted Convention (norm), convention in zoology that rules the formal scientific name, scientific naming of organisms treated as animals. It is also informally known as the I ...

, since the name is based on the genus ''Diguetia''. In 2004, Jörg Wonderlich suggested reducing it again to a subfamily, this time of Plectreuridae. However, it is still sometimes considered a subfamily of the Plectreuridae.

Genera and species

, the

World Spider Catalog The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ...

accepts the following genera:

''Diguetia''

'' Diguetia'' Simon, 1895 *'' Diguetia albolineata'' (O. Pickard-Cambridge, 1895) — USA, Mexico *'' Diguetia andersoni'' Gertsch, 1958 — USA *'' Diguetia canities'' (McCook, 1890) — USA, Mexico *'' Diguetia canities dialectica'' Chamberlin, 1924 — Mexico *'' Diguetia canities mulaiki'' Gertsch, 1958 — USA *'' Diguetia catamarquensis'' (Mello-Leitão, 1941) — Argentina *'' Diguetia imperiosa'' Gertsch & Mulaik, 1940 — USA, Mexico *'' Diguetia mojavea'' Gertsch, 1958 — USA *'' Diguetia propinqua'' (O. Pickard-Cambridge, 1896) — Mexico *'' Diguetia signata'' Gertsch, 1958 — USA, Mexico *'' Diguetia stridulans'' Chamberlin, 1924 — Mexico

''Segestrioides''

'' Segestrioides'' Keyserling, 1883 *'' Segestrioides badia'' (Simon, 1903) – Brazil *'' Segestrioides bicolor'' Keyserling, 1883 (

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

) – Peru *'' Segestrioides copiapo'' Platnick, 1989 – Chile *'' Segestrioides tofo'' Platnick, 1989 – Chile

References

{{Taxonbar, from=Q10054 Diguetidae Taxa named by Frederick Octavius Pickard-Cambridge

Taxonomy

Genera and species

''Diguetia''

''Segestrioides''

See also

References