Platysoma (Platylister) placitum (Lewis, 1906)


Platysoma (Platylister) placitum (Lewis, 1906b: 184) Bichardt, 1917: 144.

Platylister placitus Lewis, 1906b: 184.

Platylister bandae Lewis, 1909: 293, synonymized by Lewis, 1910: 50.


Distribution. New Guinea.


Original description. "Oblongo-ovalis, subdepressus, niger, nitidus; fronte concava, stria tenui in medio sinuata; pronoto stria laterali basi continuata; elytria striis 1-2 integris, 3 interrupta; pygidio parum dense punctato; mesosterno stria marginali interrupta. L. 6 - 6. 1/4 mill.

Oblong-oval, somewhat depressed, black and shining; the head smooth and the forehead concave, with a fine transverse stria which is sinuous in the middle; the thorax, the marginal stria is very fine, the lateral is also somewhat fine but well marked, and it continues along he base to a point opposite the third dorsal stria, anteriorly it is interrupted behind the middle of the neck; the elytra, there are two fine sinuous epipleural striae, the dorsal, 1-2 complete and well marked, 3 finer and interrupted in the middle the humeral and other striae are wanting; the propygidium is transversely punctured, but smooth along its edges; the pygidium is wholly punctured, there is a depression on either side at the base, and the outer rim is smooth but not much raised; the prosternum is smooth and somewhat truncate anteriorly and the lobe is clearly marginate; the mesosternum, the marginal stria is interrupted at the emargination; the anterior tibiae are 4-dentate.

The lateral thoracic stria continuing along the greater portion of the base constitutes a good specific character.

Hab. Herbertshöh, German New Guinea.

One example in the Berlin Museum and one in my collection."


Histeridae/Histerinae/Platysomatini/Platysoma/References