Philhygra sparsa (Bernhauer, 1907)

(Figs. 1 F, 7A–H)

Atheta (Metaxya) sparsa Bernhauer, 1907: 410 .

Atheta (Metaxya) lucidula Cameron, 1933: 211 (as valid species).

Atheta (Hygroecia) sparsa: Brundin,1944: 183 (as valid species).

Atheta (Philhygra) lucidula: Sawada, 1977: 180 (as synonym of Atheta sparsa). Atheta (Philhygra) sparsa: Sawada, 1977: 180; Smetana, 2004: 392 (as valid species).

Description. Body length about 3.0 mm. Body (Fig. 1 F) moderately elongate. Head almost black; antennomeres 2–11, pronotum and abdomen brown to dark brown; scape, elytra and legs yellowish brown or pale brown. Head surface glossy, with fine punctation, distance between punctures 1.5–3 times longer than their diameter; head approximately 1.1 times wider than long, widest at across eyes; eyes prominent, about 1.3 times longer than tempora; antennomeres 4–8 slightly elongate, 9–10 about as long as wide, 11 longest, about as long as preceding two combined (Fig. 7 A); labrum emarginate in anterior margin; a-sensillum relatively short; medial and lateral pseudopores present in prementum. Pronotum (Fig. 7 B) subquadrate, approximately 1.1 times as wide as long, widest at middle; pubescence in midline directed anteriorly in apical half, posteriorly in basal half; distance between punctures 2–3 times longer than their diameter; metanotal scutum with one long seta and about 4–5 relatively short setae on each side of midline; mesoventral process elongate and more or less pointed at apex, longer than metaventral process; length ratio of mesoventral process, isthmus and metaventral process 5:2:2 (Fig. 7 C). Elytron approximately 1.65 times as long as wide, postero-lateral margin nearly straight; flabellum composed of about 10–12 setae. Abdominal tergites glossy, with fine punctation, distance between punctures 0.5–1.0 times longer than their diameter; male tergite VIII (Fig. 7 D) with 4 macrosetae on each side of midline, posterior margin slightly emarginate; male sternite VIII (Fig. 7 E) more or less round in posterior margin with 8 macrosetae on each side of midline; posterior margin of female tergite VIII weakly emarginate at middle; posterior margin of female sternite VIII broadly round with conspicuous marginal setae. Aedeagus as in Figs. 7 F–H.

Material examined. KOREA: Chungnam prov.: 2 ex., Gongju-si, Banpo-myeon, Hakbong-ri, Mt. Gyeryongsan, 1 vi 2004, SM Choi, JS Park, KM Yang, SJ Park, garbage; Gangwon prov.: 11 ex., Pyeongchanggun, Bangrim-myeon, Mt. Baekduksan, 12 vii 2001, KJ Ahn, SJ Park, decaying vegetables; Gyeongbuk prov.: 32 ex., Bonghwa-gun, Murya-myeon, Mt. Seondalsan, 23–25 vii 1998, KL You, HJ Lim, FIT; Gyeongnam prov.: 4 ex., Sacheon-si, Guam-eup, Guam-ri, 16 v 1986, KS Lee; 4 ex., Ulsan-si, Mugeo-dong, 31 v 1985, GS Jang, YS Kim; Jeonbuk prov.: 10 ex., Muju-gun, Anseong-myeon, Tonghan, 5 vi 1988, GS Jang; Jeonnam prov.: 3 ex., Gurye-gun, Toji-myeon, Mt. Jirisan, Piagol, 24–26 v 2000, HK Choi, JH Song, MS Kim, baited trap.

Distribution. Korea and Japan (Smetana 2004).