South American Toothed Hacklemesh Weaver

Metaltella simoni

"Metaltella simoni" is a species of spider, native to South America, and introduced into the United States and Canada.
Metaltella simoni South American spider first spotted  in Louisiana in 1944. The in Southern California in 2008. It has traveled north now. Amphinectidae,Geotagged,Metaltella simoni,South American Toothed Hacklemesh Weaver,Spider,Summer,United States,female,hacklemesh weaver

Appearance

Females are about 8 to 9 mm long, males about 7 to 8.5 mm long. Both sexes are brown, with some darker parts, such as of the front of the carapace, the ends of the legs and the chelicerae. The abdomen is mottled grey or grey–black, with indistinct paler chevrons towards the rear. Males have an orange-yellow area towards the back of the carapace, darkening to brown at the front. The lateral eyes of both sexes are larger than the median eyes.
Metaltella simoni This guy was at my work and froze for pictures.  Geotagged,Hacklemesh Weaver,Metaltella simoni,South American Toothed Hacklemesh Weaver,Spider,United States,Winter,male

Distribution

The species is native to South America. It was first collected in North America in Louisiana in 1944. In 1971, it was described as "common in Mississippi and parts of Louisiana" where it was found under logs at ground level. By 2008, it was described as "widespread in coastal southern California".

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassArachnida
OrderAraneae
FamilyDesidae
GenusMetaltella
SpeciesM. simoni