Phaedon mellyi Achard, 1926

Phaedon mellyi Achard, 1926 ( Figs 18–19 View Fig View Fig )

Phaedon mellyi Achard, 1926: 137 .

Description. Body length 3.5 mm, width 2.2 mm. Body elongate, rather convex, hind wings present. Colour dorsum metallic blue; underside of body, legs dark blue, last segment of abdomen yellowish brown; antennae black, basal two segments of antennae reddish brown.

Head. Frons and vertex with coarse and dense punctures ( Fig. 18B View Fig ). Antenna shown as Fig. 19A View Fig .

Thorax and abdomen. Pronotum length 0.9 mm, width 1.9 mm; disc with dense and coarse punctures ( Fig. 18A View Fig ). Scutellum subtriangular, impunctate ( Fig. 18C View Fig ). Elytra length 2.9 mm; striae regular, interspace with fine and sparse punctures. Epipleuron with dense punctures. Underside. Prosternal process narrow, slightly widened apically; hypomeron, mesoventriate, metaventrate and abdomen with dense and coarse punctures; antero-lateral plate of metaventrite large and impunctate.

Aedeagus. Shown as Figs 19B, 19C View Fig .

Spermatheca. Unknown.

Material examined. Holotype male, China, Hung-Kom. Melly / Chevrolat collection (teste Achard): "Chinense Chevr., Chine boréale, Hong-Kung, Melly" / Type / Phaedon mellyi n: sp. J. Achard det. (NMPC).

Remarks. The species is similar to Phaedon alticola (Chen) , but it can be distinguished by the frons with coarse and dense punctures.

Distribution. China ( HongKong).

© Zoological Systematics, 40(1): 1–30 Phaedon prosternalis Daccordi & Ge , sp. nov. ( Figs 20–21 View Fig View Fig )

Description. Body length 2.9–3.5 mm, width 1.9–2.5 mm. Body ellipsoid, rather convex, hind wings absent. Colour vandyke brown to natal brown; tarsi and tibiae mikado brown to tone down.

Head. Frons and clypeus with sparse punctures (1–3 times the diameter). Antenna shown as Figs 21A, 21B View Fig .

Thorax and abdomen. Pronotum length 0.7–0.8 mm, width 1.5–1.7 mm; central disc with very thin and sparse punctures, lateral sides with distincte separate punctures. Scutellum subtriangular, smooth and impunctate. Elytra length 2.2–2.4 mm; elytra glazed and dull in particular apically; elytra with single striae, interspace with very fine and sparse punctures. Epipleura glazed with very few punctures. Underside. Prosternal process wide, apex truncate; hypomeron, mesoventrite and metaventrite, abdomen with coarse and dense punctures, lateral sides of prosternum, mesoventrite, metaventrite and first segment of abdomen; antero-lateral plate of metaventrite small and impunctate ( Figs 20A, 20C, 20D View Fig ).

Aedeagus. Shown as Figs 21C, 21D View Fig .

Spermatheca. Shown as Fig. 21E View Fig .

Material examined. Holotype male, W. Sichuan ( Ganzi Tibet. Aut. Pref. Yajiang Co.), Shalui Shan, 20 km W. Yajiang, brook cleft, alp. Meadow ( 30°01'N, 100°41'E; elev. 4 250 m), 2 July 1999, coll. D. W. Wrase ( NMEG). Paratypes: 1 male, W. Sichuan, Yaan Pref., Shimiana Co. Xiaoxiang Ling Pass betw. Shimian – Garduo, 27 km SE. Shimian, springfed-swamp (29°02'75''N, 102°31'48''E; elev. 2 450 m), 8 July 1999, coll. A. Putz ( MDC); 1 female, W. Sichuan, Ganzi Tibet. Aut. Pref. Yajiang Shalui Shan Waldrest 32km WNW. Yajiang , Nadeistreu ( 30°08'N, 100°42'E; elev. 4 300 m), 4 July 1999 GoogleMaps , coll. M.

© Zoological Systematics, 40(1): 1–30 Schulke (NMEG) ; 1 male, N. Sichuan, NNE. of Luoduo Village . ( 32°09'42''N, 103°23'03''E – 32°09' 42''N, 103°21'52''E; elev. 3 800 – 4 585 m), 18 August 2007, coll. Belousov & Kabak, with a Lopatin’s label “ Neophaedon ” ( ZIN) GoogleMaps ; 1 female, W. Sichuan, road Qianning-Dawru pass, 35 km NNW. Qianning, Alpine and forest Region (elev. 3 951 m), 1 August 1994. coll. J. Turna. ( MDC) ; 1 male, N. Sichuan, W. Song-Pinggou (elev. 3 890 m), 17 August 2007, coll. Kabak. ( ZIN) .

Etymology. The specific name is referring to the wide prosternal process.

Remarks. The new species is similar to Phaedon geminatus , but it can be distinguished from the latter by elytra with single striae.

Distribution. China ( Sichuan).