9. Peridinetus costatus Champion

(Fig. 25, 26)

Peridinetus costatus Champion, 1907: 179 . Seidlitz (1909: 326), Hustache (1938: 8), Blackwelder (1947: 887), O’Brien & Wibmer (1982: 178).

Diagnosis. Peridinetus costatus and P. odone differ from all known congeners by noticeably ridged elytral interstriae, which are raised on the mid-sections of interstriae 3 and 5. Peridinetus costatus has a distinct subapical elytral fascia of yellow setae (Fig. 25) and dorsolateral vittae on the pronotum, which are inconspicuous in P. odone (Fig. 28). The four studied specimens were 3.4–4.2 mm long (standard length 3.3– 4.0 mm).

Distribution. This species has been found in southern Mexico and Guatemala.

Plant association. Unknown.

Type material. 2 syntypes, Mexico [without site] (BMNH 1) and Guatemala, Zapote (BMNH 1).

Material examined. Mexico. Veracruz: Los Tuxtlas Biol. Station (CMNC 2, JPPC 1). Guatemala. Izabal: 8 km N Las Escobas, 800 m (CMNC 1). Total 4 specimens.