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Spintharus Hentz, 1850

(Fig. 9 A )

Hentz, 1850. J. Boston Soc. Nat. Hist., vol. 6, p. 283. Type species by monotypy: S. ilavidusHentz, 1850, op. cit., p. 284, pl. 10, fig. 8.

Diagnosis. The male palpus presents the cymbial hood in a hat-like shape (Fig. 7 C ); while the other genera have a cymbial hood as a hook or half moon shape (Fig. 7A-B). The architecture of an “H” -like web is shared with Thwaitesia and Episinus . Levi and Levi (1962, figs. 203, 204) comment that Spintharus may be distinguished because of an opisthosoma longer than wide, widest anterior to middle. Studied specimens had an unpatterned, uniformly pale brown opisthosoma.

Distribution. From the United States to Bolivia and Brazil, with one species found in Pakistan (Platnick 2013).


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