Agrilus pseudoambiguus
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Ordo: Coleoptera
Familia: Buprestidae
Genus: Agrilus
Name
Agrilus pseudoambiguus Jendek, 2013 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
BODY. Size: 5.9–8.1 mm (Holotype 8.1 mm).Shape: cuneiform, Color (dorsally): bicolored, rarely unicolored, Sexual modifications in male: not apparent. HEAD. Medial impression: deep, Epistoma: raised above frons, Vertex: Shape: markedly convex, Sculpture elements: rugae, Sculpture shape: semispherical or subparallel, Sculpture density: dense, Eyes: Size: small, Lower margin: in line or below with antennal socket, Medial orbit: converging ventrally, Antennae: Length: long, Width: slender, Serration: from antennomere 4, Antennomere 7-10 (shape): with obvious collum. PRONOTUM. Shape: visually square, Sides: slightly arcuate, rarely subangulate, Maximal width: at middle, Anterior margin: subequal to posterior or wider than posterior, Anterior lobe: Size: absent or vague, rarely moderate, Shape: arcuate, Position: at level with anterior angles, Posterior angles: Shape: rectangular, rarely acute, rarely obtuse, Apex: sharp, Disk: Impressions: medial and lateral, Medial impression: anteromedial and posteromedial, Lateral impressions (intensity): deep, Lateral impression (size): narrow, Prehumerus: Development: carinal, Shape: arcuate, Extent: to 1/3 of pronotal length, Anterior end: distant from lateral carina, Posterior end: joined with posterior angle or margin, Arc: moderate or weak, Lateral carinae: Convergence: moderately convergent, Junction: absent or present, Narrowest point: at posterior angles. ELYTRA. Color: dichromatic, Alternative color: apical portion, Apices: Arrangement: separate, Shape: arcuate, Pubescence: Color: monochromatic, Extent: entire ornamental, rarely entire ornamental with indication of stripes. STERNUM. Prosternal lobe: Distal margin: arcuate, Prosternal process: Shape: dilated or subparallel, Sides: straight, Angles: obtuse, Disc: flat, Projection (extend): distinctly beyond angles, Mesosternum: Mesosternal projection: flat. ABDOMEN. Pygidium: Apical margin: angulate, Sternal groove: Extent: on all ventrites or on three apical ventrites, Shape on the apex of last ventrite: arcuate, rarely arcuately sinuate, Emargination (deepness): very shallow. LEGS. Metatarsus: Size to metatibia: somewhat shorter as metatibia, Tarsomere 1: Size to following tarsomeres: subequal or longer than 2-4. GENITALIA. Aedeagus (Fig. 30): Symmetry: symmetric, Shape: subparallel, Modifications: apex of medial lobe sharply pointed, Ovipositor: Shape: markedly elongate.
Diagnosis
From very similar Agrilus picturatus sp. n., this new species differs by having the pronotum more transverse with sides slightly arcuate; by absent or vague pronotal lobe and by the smooth or very finely denticulate elytral apices. See also Appendix.
Type locality
Laos, Louang Namtha pr., [http://ptp.pensoft.eu/redirect_to_googlemap.php?labels%5B0%5D=21%C2%B009%27N%2C+101%C2%B019%27E&coordinates%5B0%5D=21%C2%B009%27N%2C+101%C2%B019%27E 21°09'N, 101°19'E], Namtha - Muang Sing, 900–1200 m.
Type material
Holotype (Fig. 10), ♂, (EJCB): “Laos, Louang Namtha pr., [http://ptp.pensoft.eu/redirect_to_googlemap.php?labels%5B0%5D=21%C2%B009%27N%2C+101%C2%B019%27E&coordinates%5B0%5D=21%C2%B009%27N%2C+101%C2%B019%27E 21°09'N, 101°19'E], Namtha - Muang Sing, 5–31.v.1997, 900–1200 m, Vit Kubáň leg.”. Paratypes: 2 paratypes (EJCB) with the same data as holotype. 1 paratype (EJCB): “Laos NE, Hua Phan prov., [http://ptp.pensoft.eu/redirect_to_googlemap.php?labels%5B0%5D=20%C2%B019%27N%2C+104%C2%B025%27E&coordinates%5B0%5D=20%C2%B019%27N%2C+104%C2%B025%27E 20°19'N, 104°25'E], 25 km SE Vieng Xai (by road), Ban Kangpabong env., 14–18.v.2001, D. Hauck leg.”
Adult occurrence:
5. Altitude range: 900–1200 m.
Host plant
Unknown.
Distribution
LAOS:Houaphan; Louang Namtha.
Etymology
The specific name is derived from Greek prefix pseudo- (having the appearance of) and the specific name ambiguus; it refers to the similarity of the species to Agrilus ambiguus.
Original Description
- Jendek, E; 2013: Revision of the Agrilus occipitalis species–group (Coleoptera, Buprestidae, Agrilini) ZooKeys, 256: 35-79. doi
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