Scaphytopius scarlatum Arias-Paco & Godoy, sp. nov.

(Figs. 5G–M, 9J, 11V, 12V, 13V)

Description. Length of male 4.02 mm. General appearance opaque brown with scarlet-red scutellum, pronotum, and crown. Crown 1.5 x longer than basal width between eyes, scarlet-red, with two lateral pale brown bands. Pronotum and scutellum scarlet-red (Fig. 5G). Face dark brown, with one white transverse band at apex of frontoclypeus in inverted V-shape, with 3–4 short pale transverse lines on sides of frontoclypeus (Fig. 5I). Forewings dark brown; with few (less than 4) dispersed round white spots, with 8 veinlets (Fig. 5H); veins dark brown. Legs with scarlet-red femora; light brown tibiae and tarsi.

Male genitalia. In lateral view, the pygofer is triangular with rounded apex, with multiple macrosetae at apex (Fig. 9J). Connective in ventral view V-shaped. Style in ventral view with apophysis very long, slender, and rounded at apex; preapical lobe in shape of claw (Fig. 5J); internal margin of style with tubercle protruding just after midlength (Fig. 5J). Paraphyses slender and elongated; in ventral view, fused at base and rapidly diverging, converging beyond midlength, then diverging and converge again toward apex (Fig. 5K). Aedeagus in lateral view very short and wide at apex (Fig. 5L); preatrium absent; dorsal apodeme very short and straight; shaft very short, tubular with dorsolateral folds curving toward apex; in apical view, with triangular fold above gonopore (Fig. 5M). Gonopore in subapical position.

Diagnosis. Pronotum and crown scarlet-red (Fig. 5G). Style of apophysis very long and slender, in ventral view with tubercle just beyond midlength (Fig. 5J); preapical lobe in shape of claw. Shaft in apical view with dorsolateral folds curving toward apex, with triangular fold above gonopore (Fig. 5M).

Distribution. Costa Rica.

Biology. Unknown.

Etymology. From medieval Latin scarlatum referring to the distinctive scarlet color of its crown and pronotum.

Material examined. Holotype. ♂. Costa Rica, Puntarenas, En Punta de Manglar en boca del Río Aranjuez. XII.2006. INB0004047543 (MNCR).