Pelenomus

Yang, Lujing, Huang, Junhao, Zhang, Runzhi & Wu, Hong, 2013, A review of the genus Pelenomus Thomson (Coleoptera: Curculionidae: Ceutorhynchinae) from China, Zootaxa 3652 (4), pp. 401-423 : 402

Key to the Chinese species of Pelenomus

1. Rostrum longer than pronotum..................................................... P. waltoni (Boheman, 1843)

– Rostrum shorter than pronotum........................................................................... 2

2. Elytra covered with rather dense white to brownish oval scales....................... P. canaliculatus (Fåhraeus, 1843)

– Elytra covered with fine brown linear scales................................................................. 3

3. Body larger, from 2.5 to 2.8 mm. Male middle tibiae with mucro................... P. quadricorniger (Colonnelli, 1986)

– Body smaller, less than 2.5 mm. Male middle and hind tibiae with mucro......................................... 4

4. Eyes moderately prominent. Frons flattened, strongly widened basally...................... P. roelofsi (Hustache, 1916)

– Eyes strongly prominent. Frons concave, not widened basally.................................... P. cu rva tus sp. nov.