Ptomaphagus (Adelops) nubloso Peck, 2003

Peck, Stewart B., 2003, Four New Species Of Ptomaphagus From Costa Rica And Panama (Coleoptera: Leiodidae: Cholevinae: Ptomaphagini), The Coleopterists Bulletin 57 (4), pp. 405-412 : 409-410

Ptomaphagus (Adelops) nubloso Peck , new species

( Figs. 12–16 )

Type Series. Holotype male: COSTA RICA. Cartago Province. Pan-American

Highway km 45, 6 km NW El Empalme, N 98459 W 838589300, 8–26.VI.1997, forest

FIT, 1,975 m elevation, 97-19, S. & J. Peck (in CMNC). Paratypes: Guanacaste Province. Monteverde Biology Station , N 10819.672 W 84849.141, 10–17 . VI.01, 1,540 m, cloudforest Fit, 2 females (S. & J. Peck, 01–09). Excluded from paratypes. 1 female tentatively associated with this species, 6 km NE Santa Elena, Santa Elena Forest Reserve , 1,640 m, cloudforest FIT, N 10820 .70 W 84847 .89, 11–17. VI.01, (S. & J. Peck , 01–12) .

Derivation of Name. The specific epithet is the Spanish word for cloudy or gloomy, and refers to the cloud-forest habitats (‘‘bosques nublosos’’) of the species. It is used as a noun in apposition.

Diagnosis. The short antenna, and the narrowly rounded tip of the aedeagus in dorsal view distinguish the species.

Description. Shape elongate oval. Body length 3.0– 3.2 mm, body width 1.4 mm. Color uniform dark brown. Antenna short ( Fig. 12 ), not reaching base of pronotum when laid back; segments 4–10 shorter than wide, segment 7 nearly quadrate, 8 very transverse. Pronotum widest at base, with fine dense transverse striae. Elytra with fine dense oblique striae. Flight wings functional. Mesosternal carina present, of medium development in profile. Aedeagus small, curving to sharper tip in lateral view ( Fig. 13 ), tip in dorsal view narrower, rounded ( Fig. 14 ); internal sac (flagellum) broad and elongate at base, elongate, thin and straight at apex. Spermatheca ( Figs. 15, 16 ) shaft stout and curved, basal end swollen, and apical end with 1808 loop.

Figures

Figs. 12–16. Structures of Ptomaphagus (Adelops) nubloso n. sp. 12) Antenna; 13) lateral view, aedeagus; 14) dorsal view, apex of aedeagus; 15–16) spermatheca. Scale line for antenna and aedeagus 0.2 mm, for spermathecae 0.1 mm.