Costaroplatus Nunberg, 1963

Chester, Ricardo, 2017, Mixed mode crack propagation: Numerical and Experimental Study, The Coleopterists Bulletin 71 (1), pp. 99-115 : 109

Genus Costaroplatus Nunberg, 1963

* Costaroplatus abditus (Schedl, 1936)

Notes. Only two previous specimens of this large, distinctive Costaroplatus were known, the holotype of C. abditus and that of its junior synonym C. transitus (Schedl,1978) , both from Brazil. There is one male from Peru: Junín, 15 k NW Satipo, near Río Venado village, 1,300 m, 21.X.2105, A. Petrov (LRKC).

* Costaroplatus carinulatus ( Chapuis, 1865) Notes. Known from the Guyana Shield and Brazil. The single Los Amigos Biological Station specimen was sheltering in a Heliconia leaf roll. In addition, two males and a female are labeled Loreto , 80 km NE Iquitos, Explorama Lodge , 1 km up Río Yanamamo from Amazon River, 25–28.VIII.1992, at light, P. Skelley ( FSCA) .

** Costaroplatus clunis (Wood, 1966)

Notes. The only published collections are from two localities in Costa Rica; this is the first record for South America. Peru specimens weere taken from FIT and Malaise traps.

(**) Costaroplatus LRK 008

Notes. Generic placement is tentative for this unusual species. This species is undescribed, with one male from Costa Rica and one male from Peru ( Chaboo project Los Amigos Biological Station collections, UV light) .

* Costaroplatus manus (Schedl, 1936)

Notes. Probably widespread in northern and central South America. In Peru, five from Los Amigos Biological Station , one from UV light and four sheltering in Heliconia leaf rolls, and one male labeled San Martín, Moyabamba , vic. Ecológico ‘ Rumbipata’ , −6.0756°, −76.9688°, 13–18.X.2012, J. E. Eger, UV light ( FSCA) .

* Costaroplatus pusillimus ( Chapuis, 1865) Notes. Previously only recorded from Guyana and Brazil. Five males were found in the collections at hand: 1 male, Madre de Dios , Tambopata, Río Tambopata Reserve, UV light, 16–17 Jan. 1987, J. V. McHugh and Q. D. Wheeler ( CUIC); 4 males have the same data except method not specified, and date given as 16 Jan. 1987 ( CUIC) .