20. Peridinetus lugubris Prena, sp. n.

(Fig. 52, 53)

Diagnosis. Peridinetus lugubris is a stout species near P. frontalis that can be recognized by the conspicuous yellow marks on frons and elytron (Fig. 52).

Description. Total length 4.2–4.8 mm, standard length 4.0– 4.6 mm. Integument dark brown, antenna and tarsi rufous; basic vestiture of small whitish, cupreous and brown setae; large yellow setae on frons and at base of rostrum, in median pronotal vitta and in spots on pronotum and elytron (Fig. 52). Rostrum 1.05–1.07 × length of pronotum, antenna inserted at mid-length of rostrum. Pronotum 0.76–0.83 × longer than wide, subparallel to slightly rounded in basal half, constricted and tubulate in front; disk densely punctate to granulose, not costate. Elytra 1.42–1.54 × longer than wide, humeri 1.41–1.46 × wider than pronotum, sides gradually converging in basal half; striae distinct and punctate, interstriae not ridged, preapical callus inconspicuous; tarsal claws subconnate.

Distribution. This species has been found in Costa Rica and on the Pacific side of Ecuador.

Plant association. Peperomia pseudoalpina (Prena 1 ×).

Type material. Holotype male, labeled “ COSTA RICA: Heredia/ Est. Biol. La Selva, 50–/ 150 m, 10 26 N 84 0 1 W / Proy. ALAS, INBio-OET”, “FOT/46/01–40/ Eugenia sp. / 0 5 Enero 2000 ”, CRI 002 228252, “ HOLOTYPUS / Peridinetus / lugubris / Prena, 2010” (INBC). Paratypes 6 (4 males, 2 females): Costa Rica. Guanacaste: Tierras Morenas, Río San Lorenzo, 1050 m, 23.3.– 21.4.1992, A. Marin, CRI 000 413159 and 413164 (INBC 2). Puntarenas: Monteverde, Campbell’s Woods, 1550 m, 26.v.1989, J. Ashe, R. Leschen, R. Brooks (CMNC 1); Monteverde, Est. Biológica, 1600 m, 30.vi.–9.vii.2009, J. Prena (JPPC 1). San José: Zurquí de Moravia, 1600 m, Malaise trap, iv–v.1993, P. Hanson (CWOB 1). Ecuador. Pichincha: E Santo Domingo, 8.–14.v.1988, Bohart & Hanson (CWOB 1).

Specific epithet. The name is a Latin adjective meaning “mourning”.