Revision of the Agrilus quadripunctatus species-group (Coleoptera: Buprestidae: Agrilini) with description of four new species Author Jendek, Eduard text Zootaxa 2018 2018-03-09 4392 2 383 391 journal article 30566 10.11646/zootaxa.4392.2.10 5b0e7e0f-ea7c-4958-bab8-b781b0a17f08 1175-5326 1195316 3463C3CC-BBE2-4F9C-9A4D-06B44999DE0E Agrilus salakot sp. nov. ( Fig. 1F ) Description of holotype . Size: 8.2 mm . BODY. Shape: cuneiform; Build: robust; Color (dorsally): unicolored. HEAD. Size: very large; Medial impression: deep. Frons : Outline: markedly protruding head outline. Vertex : Sculpture elements: rugae; Sculpture aspect: arcuate; Sculpture intensity: superficial. Eyes : Size: smaller than half width of vertex (dorsal view); Shape: markedly protruding head outline; Lower margin: in line or below antennal socket; Median orbit: converging ventrally. Antennae : Length: reach to about anterior pronotal angles; Serration: from antennomere 4. PRONOTUM. Shape: visually transverse; Sides: slightly arcuate; Maximal width: at middle; Anterior margin: narrower than posterior. Anterior lobe : Development: obvious; Shape: arcuate; Width: broad; Position: projecting beyond anterior angles. Posterior angles : Shape: rectangular; Apex: sharp. Disk : Convexity: strongly convex; Impressions: medial and lateral; Medial impression: posteromedial only; Lateral impressions (depth): deep; Lateral impressions (width): narrow; Lateral impressions (modification): with tomentose patches. Prehumerus : Development: carinal; Shape: bisinuate; Extent: beyond 1/2 of pronotal length; Anterior end: joined with lateral carina; Posterior end: distant from posterior angle or margin; Arc: obvious. Lateral carinae : Convergence: moderate; Junction: absent; Narrowest point: at posterior 1/5–1/4 of marginal carina; Modifications: submarginal carina anteriorly and posteriorly obliterate. Scutellum : Size: robust. ELYTRA. Color: unicolored; Humeral carina: absent. Apices : Arrangement: separate; Shape: spinate; Number of cusps or spines: 1; Position of dominant projection: medial. Pubescence : Pairs of tomentose spots: humeral, medial, apical. STERNUM. Prosternal lobe : Size: large; Distal margin: arcuately emarginate; Emargination (depth): deep; Emargination (width): wide. Prosternal process : Shape: subparallel; Sides: straight; Angles: obtuse; Disc: flat; Projection (length): protruding distinctly beyond angles. Metasternum : Metasternal projection: flat. ABDOMEN. Tomentum: present. Last ventrite : Shape: with narrow apex; Disk: with medial carinula. Sternal groove : Extent: on apical ventrite; Shape on apex of last ventrite: arcuate. LEGS. Metatarsus : Length to metatibia: distinctly shorter. Metarsomere 1 : Length to following tarsomeres: longer than 2–3 but shorter than 2–4. GENITALIA. Ovipositor : Shape: markedly elongate. Variability. Except for the size: 6.7–8.2 mm without discernible variability. The male is unknown. Diagnosis. Agrilus salakot is the smallest species among members of the A. quadripunctatus species-group. See also diagnosis at A. luzonicola and key to species. Type material. Type locality : Philippines , Palawan , Salakot waterfalls, 800m , 09°42'N , 118°31'E . Type specimens . Holotype ♀ , 1 ♀ paratype ( EJCB ): “ Philippines , Palawan , 1–21.II. 2000 , 800 m, 9°42'N , 118°31E, Salakot waterfalls, E. Jendek leg.” . Distribution. Philippines ( Palawan Island). Etymology. The specific name is a noun in apposition derived from the type locality “ Salakot ”.