Agrilus korbicola, Jendek, 2017

Jendek, Eduard, 2017, Revision of the Agrilus humilis species-group (Coleoptera: Buprestidae: Agrilini) with description of thirteen new species from Southeastern Asia, Zootaxa 4363 (2), pp. 249-271: 264-265

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Agrilus korbicola

sp. nov.

Agrilus korbicola   sp. nov.

( Figs. 2C View FIGURE 2 , 5I View FIGURE5 )

Description of holotype. Size: 3.7 mm. Body. Shape: cuneiform; Build: robust; Profile: convex; Color (dorsally): unicolored. Head. Size: very large; Modification: strongly convex; Medial impression: absent. Vertex: Sculpture elements: rugae; Sculpture intensity: superficial. Eyes: Size: subequal to 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: obvious; Shape: arcuate; Width: broad; Position: projecting beyond anterior angles. Posterior angles: Shape: rectangular; Apex: sharp. Disk: Convexity: strongly convex; Impressions: lateral only; Lateral impressions (depth): shallow. Prehumerus: Development: carinal; Shape: arcuate; Extent: to 1/2 of pronotal length; Anterior end: distant from lateral carina; Posterior end: joined with posterior angle or margin; Arc: obvious. Lateral carinae: Convergence: moderate; Junction: present; Narrowest point: at posterior 1/5–1/4 of marginal carina. Scutellum: Size: robust. Elytra. Color: unicolored; Humeral carina: absent. Apices: Arrangement: conjoint; Shape: arcuate. Pubescence: Color: unicolored; Extent: sutural wedge. Sternum. Prosternal lobe: Distal margin: arcuately emarginate; Emargination (width): wide. Prosternal process: Shape: slightly dilated; Sides: straight; Angles: obtuse; Angles (tips): sharp; Disc: flat; Projection (length): protruding distinctly beyond angles. Metasternum: Metasternal projection: flat. Abdomen. Basal ventrite: Modifications: with impression(s). Pygidium: Apical margin: arcuate. Last ventrite: Disk: impressed. Sternal groove: Extent: on apical ventrite; Shape on apex of last ventrite: arcuately sinuate; Sinuosity (delimitation): angulate; Sinuosity (depth): markedly deep; Sinuosity (width): markedly wide. Legs. Metatarsus: Length to metatibia: distinctly shorter. Tarsomere 1: Length to following tarsomeres: shorter or subequal to 2–3. Genitalia. Aedeagus ( Fig. 5I View FIGURE5 ): Symmetry: symmetric; Shape: widest in basal part.

Variability. Size: 3.7–4 mm. Sexual dimorphism. The male has head, pronotum and legs with golden –green and golden –orange hue (antero –dorsal view); metatarsomere 1 has comb of long setate on ventral side.

Diagnosis. Agrilus korbicola   sp. nov. is distinctive by pronotum which is widest at posterior margin; by weak sexual dimorphism and by the shape of aedeagus ( Fig. 5I View FIGURE5 ).

Type material. Type locality: Malaysia, Perak, 25 km NE Ipoh, 1200 m, Banjaran Titi Wangsa Mountains, Mount Korbu, [01°40'19”N, 101°17'49”E]. Type specimens. Holotype ♂ ( FWPC), 1 ♂, 1 ♀ PT ( EJCB): “ Malaysia, Perak prov. , 25 km NE Ipoh, 1200 m, Banjaran Titi Wangsa mts. , Korbu Mt. , 1–2.ii.1999, P. Pacholátko leg.” GoogleMaps   .

Distribution. Malaysia (Perak).

Etymology. The specific name is a combination of Korbu (the mount from the type locality) and the Latin verb colo (to dwell, inhabit).