Khoisan

Key to the species of Khoisan 1a. Funicles with three segments............................................................................ 2 1b. Funicles with four or five segments...................................................................... 3 2a. Elytral striae with very small punctures; tubercles with orange or grey elongate scales; basal elytral tubercles oblong, tubercles on interstriae 7 narrow, conically raised......................................................... K. triarthrus 2b. Elytral striae with large, round punctures; tubercles with white short scales; basal elytral tubercles on interstriae 3 round, tubercles on interstriae 7 broad, triangularly raised............................................. K. albogibbosus 3a. Funicles with four segments............................................................................ 4 3b. Funicles with five segments............................................................................ 6 4a. Tubercles on pronotum and elytra conically raised, on pronotum clearly raised in profile, with dense patch of thickened scales; elytral striae with large punctures......................................................... Khoisan umbrosus 4b. Tubercles on pronotum and elytra low, scarcely raised, on pronotum indistinct in profile, lacking a dense patch of scales; elytra with narrow, minute punctures.......................................................................... 5 5a. Elytral integument brownish-red, rostrum reddish; tubercles on interstriae 7 narrowly conical, acute; penis with elongate lamella, with straight sides; ostium with sides subparallel posteriorly.................................... K. mendeli 5b. Rostrum black, elytral integument blackish; tubercles on interstriae 7 obtusely raised, not acute; penis with short rounded lamella, ostium with sides converging posteriorly.................................................... K. harani 6a. Penis long and narrow, subparallel-sided, 5.2× as long as wide, with long and slender tip; pronotum subcylindrical, with anterior tubercles strongly prominent outwards, sides with anterior tubercle scarcely prominent, elytral tubercles highly conically raised, lateral tubercles on interstriae 7 2× as high as wide at base.......................................... K. maddocki 6b. Penis wide, ratio length/width less than 4; pronotum subtrapezoidal or subquadrate, with anterior tubercles scarcely prominent, sides with anterior tubercle prominent, lateral tubercles on interstriae 7 less than 2× as long as wide................... 7 7a. Ratio of width at anterior margin of pronotum/width at lateral anterior tubercle 1.6–1.7; maximum width of pronotum at anterior part; penis very short and broad, less than 2× as long as wide.............................. K. oneili sp. nov. 7b. Ratio of width at anterior margin of pronotum/width at lateral anterior tubercle 1.4–1.5; maximum width of pronotum at midlength; penis more than 2× as long as wide............................................................. 8 8a. Punctures on striae larger than width of interstriae; interstriae with scales arranged in two–three rows, on declivity scarcely raised; penis with sides broadened before apex................................................... K. karooicus 8b. Punctures of striae narrow, at most as wide as width of interstriae; interstriae with scales irregular, strongly raised and dense on declivity; penis with sides narrowed anteriorly...................................................... K. javalae