Arboridia septempunctata sp. nov. Choe et Jung

(Figs. 2, 4, 6, 8, 16–21)

Description. Body mostly pale yellow. Vertex yellow with 2 black spots. Face with black spot above each antennal pit (Fig. 6). Pronotum with one black spot at center of anterior margin. Mesonotum with two black triangles (Fig. 4). Forewings with brown zigzag pattern (Fig. 2). Legs yellow without pattern. Abdomen yellow without pattern.

Male genitalia. Process of pygofer falcate with small dorsal tooth near base (Fig. 20). Subgenital plate with 3 macrosetae near middle and row of short setae from base to apex (Fig. 21). Style slender with 3 apical points subequal in length to each other (Fig. 18). Aedeagus in lateral view (Fig. 16) with dorsal apodeme short, preatrium long and curved; dorsal apodeme with compressed anterior lobe and acute posterior projection; shaft compressed, tapered, as long as preatrium, curved dorsad with ventral margin angulate near base, apex narrowly rounded, without processes, very slender in caudal view (Fig. 17). Connective short and M- shaped (Fig. 19).

Measurements. Body length male 2.8mm, females 2.8–2.9mm.

Type materials. Holotype: [CNU] 1♂, Korea, Suwon, 23.x.1974, coll. T.Okada. Paratypes: 1♂, 2♀♀, same data as holotype.; [CNU] 2♀♀, Korea, Suwon, 15.v.1979. coll. K.R.Choe.

Host plants. Vitis sp. ( Vitales: Vitaceae)

Distributions. Korea (Suwon)

Remarks. This species is similar to Arboridia maculifrons (Vilbaste, 1968), but differs in forewing pattern and the black spot above the antennal pit.

Etymology. The specific name is derived from the characteristic 7 prominent spots on the head, pronotum and mesonotum.