Scaphytopius scarlatum Arias-Paco & Godoy, 2025

Scaphytopius scarlatum Arias-Paco & Godoy View in CoL , sp. nov.

( Figs. 5G–M View FIGURE 5 , 9J View FIGURE 9 , 11V View FIGURE 11 , 12V View FIGURE 12 , 13V View FIGURE 13 )

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 View FIGURE 5 ). 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 View FIGURE 5 ). Forewings dark brown; with few (less than 4) dispersed round white spots, with 8 veinlets ( Fig. 5H View FIGURE 5 ); 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 View FIGURE 9 ). 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 View FIGURE 5 ); internal margin of style with tubercle protruding just after midlength ( Fig. 5J View FIGURE 5 ). 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 View FIGURE 5 ). Aedeagus in lateral view very short and wide at apex ( Fig. 5L View FIGURE 5 ); 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 View FIGURE 5 ). Gonopore in subapical position.

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

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).