Agrilus hik, 2019

Jendek, Eduard & Grebennikov, Vasily V., 2019, Twenty more new species of Agrilus (Coleoptera: Buprestidae: Agrilinae) from the Oriental region, Zootaxa 4564 (2), pp. 449-469 : 452

Agrilus hik sp. nov.

( Figs. 3D , 5M )

Description of holotype. Body length: 5.5 mm. BODY. Shape: fusiform, Build: robust, Profile: convex, Color (dorsally): unicolored. HEAD. Vertex. Medial impression: present, Sculpture elements: rugae, Sculpture aspect: subparallel. Eyes. Size: smaller than half width of vertex (dorsal view), Lower margin: in line or below antennal socket, Median orbit: subparallel. Antennae. Serration: from antennomere 4. PRONOTUM. Shape: visually transverse, Sides: slightly arcuate, Maximal width: at posterior margin, Anterior margin: narrower than posterior. Anterior lobe. Development: absent or vague. Posterior angles. Shape: rectangular, Apex: sharp. Disk. Impressions: lateral only, Lateral impressions (depth): shallow, Lateral impressions (width): narrow. Prehumerus. Development: carinal, Shape: arcuate, Extent: to 1/2 of pronotal length, Anterior end: distant from lateral pronotal carina, Posterior end: joined with posterior pronotal angle or margin, Arc: obvious. Lateral carinae. Convergence: moderate, Junction: present, Narrowest point: at posterior angles. Scutellum. Size: robust. ELYTRA. Humeral carina: absent. Apices. Arrangement: separate, Shape: arcuate. Pubescence. Extent: proximal and distal, Proximal (shape): quadrangular, Distal (shape): apical. STERNUM. Pubescence. Strip of erect pubescence: absent. Prosternal lobe. Distal margin: subtruncate. Prosternal process. Shape: subparallel, Sides: straight, Angles: obtuse, Angles (tips): blunt, Disc: flat. Metasternum. Metasternal projection: flat. ABDOMEN. Basal ventrite. Modifications: absent. Pygidium. Apical margin: arcuate. Sternal groove. Shape on apex of last ventrite: arcuately sinuate, Sinuosity (depth): very shallow. LEGS. Metatarsus. Length to metatibia: distinctly shorter. Metatarsomere 1. Length to following tarsomeres: subequal or longer than 2–4. GENITALIA. Aedeagus. Symmetry: symmetric, Shape: widest in apical part, Modifications: parameres with long setae.

Variability. Body length: 5.5–5.6 mm. Without discernible variability except for the size. Sexual dimorphism. Female has shorter antennae.

Diagnosis. Agrilus hik sp. nov. is similar to A. weyersi Kerremans, 1900 by the habitus and the shape of aedeagus. The new species can be distinguished by the absence of tomentose spots on the elytra and by separately arcuate elytral apices.

Type material. Type locality: South West Cambodia, 20 km SE Koh Kong, Tatai river, 11°34'N, 103°07'E, altitude 50–300 m. Type specimens. Holotype ♂, 1 ♂ paratype, 1 ♀ paratype ( EJCB): “SW Cambodia, 20km SE Koh Kong, Tatai river 11°34'N, 103°07'E, 3–19.v.2005, 50– 300m, E. Jendek & O. Šauša leg.”.

Distribution. CAMBODIA: Kaol Kong.

Figures

FIGURES 3A–3E. Holotypes of Agrilus, habitus in dorsal view. 3A, A. draco sp. nov. (17.2 mm); 3B, A. jankae sp. nov. (8.9 mm); 3C, A. cicadelloides sp. nov. (6.8 mm); 3D, A. hik sp. nov. (5.5 mm); 3E, A. yoa sp. nov. (4.3 mm).

FIGURES 5A–5N. Aedeagi of Agrilus holotypes. 5A, A. xia sp. nov.; 5B, A. hergovitsi sp. nov.; 5C, A. zao sp. nov.; 5D, A. wos sp. nov.; 5E, A. uxo sp. nov.; 5F, A. xen sp. nov.; 5G, A. yuk sp. nov.; 5H, A. xis sp. nov.; 5I, A. qom sp. nov.; 5J, A. jum sp. nov.; 5K, A. ika sp. nov.; 5L, A. kon sp. nov.; 5M, A. hik sp. nov.; 5N, A. yoa sp. nov.