Abstract
Metaltella simoni (Keyserling, 1878), an amaurobiid spider species precinctive to Argentina and Uruguay, and probably southern Brazil, is well established in the southeastern coastal regions of the United States (Leech 1972: 107). It was brought to North America by commercial and trade activities, hence the apparent distribution disjunction. The first Nearctic record is 23–30 July 1944, from Harahan, Louisiana (Leech 1972: 107).

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