Table 1 in A new West African genus of Bostrichidae (Coleoptera), and a key to the Afrotropical genera of tribe Xyloperthini

Table 1. Comparison of characters of Plesioxylion gen. nov. with selected genera of Xyloperthini Lesne, 1921.
Genus CharacterAmintinus Anonymous, 1939Mesoxylion Vrydagh, 1955Plesioxylion gen. nov.Xylion Lesne, 1901Length of body (mm)3.5~54.5~62.4~3.23~6Ratio of L/W2.3~32.25~32.9~3.13~3.5MandiblesAsymmetricalAsymmetricalSymmetricalSymmetricalSensory areas on antennal clubAll antennomeres of club matt, without distinct sensory maculae1st and 2nd antennomeres of club with 2 distinct maculae near apex, 3rd with two distinct impressions in apical halfAll antennomeres of club matt, without distinct sensory maculae1st and 2nd antennomeres of club with 2 distinct maculae near apex, 3rd with two distinct impressions in middlePronotumAsymmetricalSymmetricalSymmetricalSymmetricalProthoracic uncinate hornsUnequal in sizeEqualEqualAbsentElytral declivity of female (see also Fig. 4)Convex or concave, upper margin without spinesSteep, upper margin with 2 pairs of spinesSteep, upper margin without spinesConcave, upper margin with 3 pairs of spines with largest in middle4 th and 5 th ventrite structure of female4th ventrite with a pair of processes of variable form on posterior margin5th ventrite variously modifiedAnterior middle of 4th ventrite with a wide tuft of long, dense, golden hairs extending over last ventrite with a deep, broad emargination in middle of posterior marginVariously modified in both ventritesDistributionEast Africa and CongoAustralia, New ZealandWest Africa (Mali, Senegal, Gambia)Africa