Agrilus cameronius, Jendek & Nakládal, 2019

Jendek, Eduard & Nakládal, Oto, 2019, Revision of the Agrilus purpurifrons species-group (Coleoptera, Buprestidae, Agrilinae), Zootaxa 4568 (2), pp. 279-292 : 280-281

Agrilus cameronius sp. nov.

( Figs. 1A , 2E )

Description of holotype. Length: 10.5 mm. BODY. Shape: cuneiform; Build: robust; Color (dorsally): unicolored. HEAD. Medial impression: deep. Vertex. Medial impression: present; Sculpture elements: rugae; Sculpture aspect: arcuate; Sculpture density: dense. Eyes. Size: subequal or larger than width of vertex (dorsal view); Lower margin: in line or below antennal socket; Median orbit: converging ventrally. Antennae. Serration: from antennomere 4. PRONOTUM. Shape: visually transverse; Sides: markedly arcuate; Maximal width: at middle; Anterior margin: subequal to posterior. Anterior lobe. Development: moderate; Shape: arcuate; Width: broad; Position: at level with anterior angles. Posterior angles. Shape: obtuse; Apex: blunt. Disk. Convexity: flat; Impressions: medial and lateral; Medial impression: anteromedial and posteromedial; Lateral impressions (depth): deep; Lateral impressions (width): broad. Prehumerus. Development: absent. Lateral carinae. Interspace: narrow; Convergence: moderate; Junction: absent; Narrowest point: at posterior 1/5–1/4 of marginal carina; Modifications: submarginal carina anteriorly obliterate. Scutellum. Size: robust. ELYTRA. Humeral carina: absent. Apices. Arrangement: separate; Shape: cuspidate; Number of cusps or spines: 1; Position of dominant projection: pleural margin. Tomentum. Pairs of tomentose spots: humeral, medial, apical. STERNUM. Prosternal lobe. Distal margin: arcuately emarginate; Emargination (width): narrow. Prosternal process. Shape: subparallel; Sides: straight; Angles: obtuse; Angles (tips): blunt; Disc: with medial carina. Metasternum. Metasternal projection: flat. ABDOMEN. Tomentum: present. Basal ventrite. Modifications: absent. Pygidium. Apical margin: arcuate. Sternal groove. Shape on apex of last ventrite: arcuate. LEGS. Metatarsus. Length to metatibia: somewhat shorter. Metatarsomere 1. Length to following tarsomeres: subequal or longer than 2–4. GENITALIA. Aedeagus. Symmetry: symmetric; Shape: subparallel.

Variability. Body length: 9.6–10.5 mm. Without discernible variability except for the size. Sexual dimorphism. The species is known only from males. The male has prosternal process with obvious medial carina and protibiae with a comb of long setae on inner margin. These characters in Agrilus are a sexual dimorphism.

Diagnosis. See key to species.

Type material. Type locality: Malaysia, Pahang, Tanah Rata, Gunung Jasar env., 4°28'N, 101°22'E, altitude 1400–1600 m. Type specimens. Holotype ♂, 1 ♂ PT ( EJCB): “ Malaysia, Pahang, Tanah Rata, Gun. Jasar env., 4°28'N, 101°22'E, 1400–1600m, 8.iii.–7.iv.2011, R. Hergovits leg.”.

Distribution. MALAYSIA: Pahang

Etymology. Patronymic; the species is named in honor of William Cameron who surveyed Cameron Highlands in mid-1880s.

Figures

FIGURES 1A–1F. Habitus of Agrilus. 1A, A. cameronius sp. nov., holotype (10.5 mm); 1B, A. indigaceus Deyrolle, 1864 (9.2 mm); 1C, A. morio Kerremans, 1895 (11.2 mm); 1D, A. puncak sp. nov. holotype (12 mm); 1E, A. purpurifrons Deyrolle, 1864 (9.7 mm); 1F, A. raapi Kerremans, 1900 (10.6 mm).

FIGURES 2A–5L. Habitus and aedeagus of Agrilus. Habitus, 2A–2D. 2A, A. rousselatae Baudon, 1968 (13 mm); 2B, A. stoneae Baudon, 1968 (8.4 mm); 2C, A. trito Deyrolle, 1864, lectotype (9.2 mm); 2D, A. vendibilis sp. nov., holotype (10.5 mm). Aedeagus, 2E–2L. 2E, A. cameronius sp. nov., paratype; 2F, A. indigaceus Deyrolle, 1864; 2G, A. morio Kerremans, 1895; 2H, A. purpurifrons Deyrolle, 1864; 2I, A. raapi Kerremans, 1900; 2J, A. rousselatae Baudon, 1968; 2K, A. trito Deyrolle, 1864; 2L, A. vendibilis sp. nov., holotype.