Catalabus (Catalaboides) barsevskisi, Legalov, 2019

Legalov, Andrei A., 2019, A new species of the genus Catalabus Voss, 1925 (Coleoptera, Attelabidae) from Vietnam, Baltic Journal of Coleopterology 19 (2), pp. 201-204 : 202-203

Catalabus (Catalaboides) barsevskisi sp. nov.

( Fig. 1)

Type material: Holotype. Male ( ISEA), Vietnam, Kon Tum Prov., Annamese Mountains, Ngoc Linh Mt. , 1900 m, V.2019 . Paratypes. 4 Males ( ISEA) , 1 female ( ISEA), idem .

Description. Male: Head, pronotum, scutellum, meso-, metaventrite, procoxa and femora brownred; elytra yellow; antennomeres 1-9, abdomen, tibiae yellow-brown; antennal club, grooves of pronotum, and tarsi black. Body glabrous.

Head elongated. Rostrum short, 0.4 times as long as pronotum, equal in length and width at apex and at base, 0.9 times as long as wide at middle, widened towards the apex, densely punctate. Eyes large, strongly convex. Forehead flat, smooth, 0.9 times as narrow as rostrum base width. Temples long, 2.1 times as long as eye length, subparallel. Vertex convex, sparsely rugose-punctate. Antennae inserted before middle of rostrum. Antennomeres 1 and 2 suboval, equal in length. Antennomere 1 1.7 times as long as wide. Antennomere 2 1.3 times as long as wide, 0.8 times as long as antennomere 1. Antennomeres 3-8 conical. Antennomere 3 1.3 times as long as wide, 0.8 times as long as and 0.8 times as narrow as antennomere 2. Antennomeres 4-6 subequal in length. Antennomere 4 1.2 times as long as wide, 1.1 times as long as and 1.1 times as wide as antennomere 3. Antennomere 5 1.1 times as long as wide, 0.9 times as long as antennomere 4. Antennomere 6 0.9 times as long as wide, 0.8 times as long as antennomere 5. Antennomere 7 0.7 times as long as wide, 0.9 times as long as and 1.1 times as wide as antennomere 6. Antennomere 8 0.8 times as long as wide, 1.2 times as long as and 1.1 times as wide as antennomere 7. Club large, 0.7 times as long as antennomeres 2-8 combined. Antennomere 9 0.9 times as long as wide, 1.6 times as long as and 1.5 times as wide as antennomere 8. Antennomere 10 0.8 times as long as wide, 0.9 times as long as and subequal in wide to antennomere 9. Antennomere 11 1.5 times as long as wide, 1.7 times as long as and 0.9 times as narrow as antennomere 10.

Pronotum strongly transverse, 1.4 times as long as wide at apex, 0.7 times as long as wide at middle and 0.8 times as long as wide at base, with greatest width before postnotal groove. Disk convex, with two depressions. Pronotal groove distinct. Postnotal groove sharp. Scutellum long, trapezoidal.

Elytra 1.5 times as long as wide at base, 1.4 times as long as wide at middle, 1.9 times as long as wide at apical fourth, 2.7 times as long as pronotum. Humeri slightly flattened. Elytral striae weak. Scutellar striole present. Interstriae wide and flat, 3.0-4.8 times as wide as striae.

Prothorax with small teeth directed forward. Precoxal part of prosternum short. Procoxal cavities contiguous. Metanepisternum quite wide, densely punctate. Metaventrite weakly convex. Abdomen convex, finely punctate. Ventrite 1 0.5 times as long as metacoxal length. Ventrite 2 1.6 times as long as ventrite 1. Ventrite 3 slightly shorter than ventrite 2. Ventrite 4 0.8 times as long as ventrite 3. Ventrite 5 0.7 times as long as ventrite 4. Pygidium exposed, convex, finely punctate.

Legs elongate. Forelegs very long. Procoxae large, conical. Metacoxae transverse. Profemora 2.1 times as long as wide at middle, strongly widened, with small tooth in apical part. Meso- and metafemora widened, without teeth. Protibiae very long, 14.8 times as long as wide, biconcave, crenate on internal edge, with long mucro of apex. Meso- and metatibiae weakly curved, with mucro. Tarsi long. Tarsomere 1 long-conical. Tarsomere 2 wide-conical. Tarsomere 3 bilobed. Tarsomere 5 elongate. Tarsal claws fused at base without teeth.

Length of body (without rostrum): 7.5-9.1 mm.

Female: Head shorter. Rostrum 0.3 times as long as pronotum. Eyes large. Temples 1.5 times as long as eye length. Antennomeres 1 and 2 suboval, equal in length.Antennomere 1 2.5 times as long as wide. Antennomere 2 2.0 times as long as wide, 0.8 times as long as antennomere 1. Antennomere 3 2.5 times as long as wide, equal in length and 0.8 times as narrow as antennomere 2. Antennomere 4 1.9 times as long as wide, 0.7 times as long as and 0.9 times as narrow as antennomere 3. Antennomere 5 2.6 times as long as wide, 1.5 times as long as and 1.1 times as wide as antennomere 4. Antennomere 6 1.4 times as long as wide, 0.5 times as long as antennomere 5. Antennomere 7 1.7 times as long as wide, 1.4 times as long as and 1.1 times as wide as antennomere 6. Antennomere 8 equal in length and width, 0.9 times as long as and 1.5 times as wide as antennomere 7. Antennomere 9 0.9 times as long as wide, 1.4 times as long as and 1.6 times as wide as antennomere 8. Antennomere 10 0.8 times as long as wide, equal in length and 1.1 times as wide as antennomere 9. Antennomere 11 1.4 times as long as wide, 1.5 times as long as, and 0.9 times as narrow as, antennomere 10.

Pronotum transverse, 2.0 times as long as wide at apex, 0.7 times as long as wide at middle and 0.7 times as long as wide at base.

Elytra 1.3 times as long as wide at base and at middle, 1.6 times as long as wide at apical fourth, 2.7 times as long as pronotum.

Ventrite 1 0.7 times as long as metacoxal length. Ventrite 2 1.9 times as long as ventrite 1. Ventrite 3 equal in length to ventrite 2. Ventrite 4 0.8 times