Rheumatobates hamatus Drake & Chapman

Distribution in Brazil: PA, MT!

Biological aspects: A single male of this species was collected on a 4th order stream among the marginal vegetation.

Comments: Only the type-series of this species was previously known, and its distribution is herein expanded to an area of Cerrado on the Central-West (Fig. 5).

Material examined: PT 31, (1♂), [nº 3775], 03.XI.2007, K. Dias-Silva leg.