Agrilus puncak, Jendek & Nakládal, 2019

Jendek, Eduard & Nakládal, Oto, 2019, Revision of the Agrilus purpurifrons species-group (Coleoptera, Buprestidae, Agrilinae), Zootaxa 4568 (2), pp. 279-292 : 283

Agrilus puncak sp. nov.

( Fig. 1D )

Description of holotype. Length: 12 mm. BODY. Shape: cuneiform; Build: robust; Color (dorsally): unicolored. HEAD. Vertex. Shape: flat; Medial impression: present; Sculpture elements: rugae; Sculpture aspect: arcuate; Sculpture intensity: rough. Eyes. Size: subequal or larger than width of vertex (dorsal view); Shape: markedly protruding head outline; 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: narrower than posterior. Anterior lobe. Development: moderate; Shape: arcuate; Width: broad; Position: at level with anterior angles. Posterior angles. Shape: obtuse; Apex: sharp.

Disk. Impressions: medial and lateral; Medial impression: anteromedial and posteromedial; Lateral impressions (width): broad. Prehumerus. Development: carinal; Shape: bisinuate; Extent: beyond 1/2 of pronotal length; Anterior end: joined with lateral pronotal carina; Posterior end: distant from posterior pronotal angle or margin; Arc: obvious. Lateral carinae. Convergence: moderate; Junction: present; Narrowest point: at posterior 1/5–1/4 of marginal carina; Modifications: submarginal carina anteriorly obliterate. Scutellum. Disc: impressed. 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. Size: large; Distal margin: arcuately emarginate; Emargination (depth): shallow; Emargination (width): wide. Prosternal process. Shape: markedly dilated; Sides: arcuate; Angles: obtuse; Angles (tips): blunt; Disc: flat; Projection (length): protruding distinctly beyond angles. Metasternum. Metasternal projection: flat. ABDOMEN. Tomentum: present. Pygidium. Apical margin: with spine. Last ventrite. Shape: with narrow apex. Sternal groove. Shape on apex of last ventrite: arcuate. LEGS. Metatarsus. Length to metatibia: distinctly shorter. Metatarsomere 1. Length to following tarsomeres: subequal or longer than 2–4. GENITALIA. Ovipositor. Shape: markedly elongate.

Variability. Body length: 10.8–12.8 mm. Without discernible variability except for the size. Sexual dimorphism. The species is known only from females.

Diagnosis. See key to species.

Type material. Type locality: Indonesia, South Sulawesi, altitude 1100 m, Puncak-Pass [pass] zw. [between] Rantepao u Palopo. Type specimens. Holotype ♀, 4 ♀ PT ( EJCB): “S-Sulawesi, 1100m, Puncak-Pass zw. Rantepao u Palopo, 13.4.1995, leg. R. Gerstmeier ”.

Distribution. INDONESIA: Sulawesi Island.

Etymology. The specific name is a noun in apposition and refers to the Puncak pass where the type specimens were collected.

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).