Scolytoplatypus costatus Gebhardt & Beaver, 2021

Gebhardt, Heiko, Beaver, Roger A. & Allgaier, Christoph, 2021, Three new species of Scolytoplatypus Schaufuss from China, and notes on the movement and functions of the prosternal processes (Coleoptera: Curculionidae: Scolytinae), Zootaxa 5082 (5), pp. 485-493 : 486

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Scolytoplatypus costatus Gebhardt & Beaver

sp. nov.

Scolytoplatypus costatus Gebhardt & Beaver sp. nov.

Fig. 1A–F View FIGURE 1 , 2A View FIGURE 2

Type material. Holotype: male: CHINA, Yunnan, Puer, Jingdong, Ailoshan , 24.516N, 101.01E, 2356 m, ALS2200- 4FI, 8.v.2018, L.Z. Meng ( CAS) GoogleMaps . Paratypes: as holotype ( CAS, 1f), as previous except, 24.517N, 101.012E, 2377m GoogleMaps , FIT, ALS2200-1FI, ( RAB 1m, 1f); as previous except: 24.515N, 101.011E, 2374m GoogleMaps , ALS2200-3FI ( RAB 1m); as previous except: 24.532N, 101.015E, 2499m GoogleMaps , ALS(S)2400-2FI, ( RAB 2m); as previous except: 24.517N, 101.011E, 2374m GoogleMaps , ALS2200-3FI, 28.v.2018 ( NHMUK 1m, 2f; HGT 1 f) .

Diagnosis. The species is distinguished by the lack of a tooth on the upper side of the profemur, and the presence of small spines on the interstriae of the elytral declivity. It resembles S. blandfordi Gebhardt and related species in its elongate body with elytra about 1.7‒2.0 times as long as pronotum, elytral declivity beginning in apical third of elytra, and prosternum raised in a triangle with apex anterior. It can be distinguished from all these species, except S. zahradniki Knížek , by the presence of carinate and spinose interstriae in both sexes, and the female pronotum without a mycangial pore. It is distinguished from S. zahradniki by the male prosternum anteriorly with two processes like long pointed spines with slightly outwardly curved tips ( Fig. 2A View FIGURE 2 ), compared to two curved falcate processes in S. zahradniki ( Fig. 2D View FIGURE 2 ).


California Academy of Sciences


Natural History Museum, London