S. Mahunka szerk.: Folia Entomologica Hungarica 45/2. (Budapest, 1984)

ten all longer than broad but each a little shorter than the preceding and narrower at the base, last segment shorter than all others and truncate at apex. Pronotum longer than broad (6.5:4.75), strongly and densely punctured leaving a narrow median elongate area impunctate; puncturation less dense than that of the head, with short, rather stout lateral setae, these are longer at the anterior corners; parallel-sided. Elytra longer than broad (8.0:5.5), shining, densely punctured, with fine short setae, suture raised and bordered; parallel-sided. Scutelium shining, with three or four punctures all of different sizes, Abdomen very densely and finely punctured throughout: with fine lateral pubescence. Legs finely setose, more densely on tibiae. Aedeagus figs 31-32. Length 12 mm. Holotype cf

, Gogol River, 18.

vi.

1970, at light; paratypes (1 cf

, 5 j) Seplk,. Blackwater River, vi. 1974. Ochthephllum fluentum sp. n. This species is smaller than O. squalldlpes (Fauv.) and is more densely punctured especially the head and pronotum and does not have the arrangement of the punctures in elongate rows leaving an impunctate central band; It is larger than O. banks! Bernh. Aedeagus figs 33-34. - Black except legs and base of antennae which are pale yellow. Head longer than broad (6:5) densely punctured except labrum, punctures umbilicate, interstices mostly narrower than diameter of punctures, laterally slightly rounded, broadest at posterior third, eyes moderately convex, their longitudinal diameter about one-fourth the length of the temples, setae quite short and sparing; antennae geniculate, first segment very long broadening to the apex, third segment a little longer than second, segment four about as long as second, other segments shorter, the last about equal to the length Figs 31-34. Aedeagi of OchthepMlum. 31-32: O. aethrum sp.n.; 33-34: O. fluentum sp.n.