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Afrotropical bark beetle genera in the tribe Micracidini are revised and an identification key provided. The new classification is based on phylogenetic analyses of five molecular markers (COI, EF-1α, 28S, PABP1, CAD) in combination with morphological characters. Five new genera are erected and one genus synonymized, resulting in a total of 11 valid genera:  Lanurgus  Eggers, 1920,  Traglostus  Schedl, 1938,  Pseudomicracis  Eggers, 1920 (= Saurotocis  Wood, 1984  syn. nov. ),  Phloeocurus  Wood, 1984,  Afromicracis  Schedl, 1959,  Dendrochilus  Schedl, 1959,  Neomicracis  Jordal  gen. nov. ,  Leiomicracis  Jordal  gen. nov. ,  Diplotrichus  Jordal  gen. nov. ,  Pseudolanurgus  Jordal  gen. nov. ,  Microlanurgus  Jordal  gen. nov.  The following new species are described to be included in the new genera:  Leiomicracis aurea  Jordal  sp. nov. ,  Neomicracis squamigera  Jordal  sp. nov. , both from Tanzania, and  Microlanurgus bicolor  Jordal  sp. nov.  and  Microlanurgus ater  Jordal  sp. nov. , from Madagascar. The following new synonyms and new combinations are proposed:  Afromicracis dubius  (Schedl, 1950) ( =Afromicracis angolensis  Schedl, 1962  syn. nov. ),  Afromicacis elongatulus  (Schedl, 1977)  comb. nov.,  Afromicracis jasminiae  (Schedl 1957)  comb. nov.  (= Dendrochilus mikaniae  Schedl 1957  syn. nov. ),  Afromicracis robustus  (Schedl 1957)  comb. nov.  (= Dendrochilus arundinarius  Schedl 1957  syn. nov. , = Hypothenemus bambusae  Browne, 1970  syn. nov. , = Dendrochilus filum  Schedl, 1977  syn. nov. ) (all from  Dendrochilus ),  Afromicracis setifer  (Schedl 1957)  comb. nov.  ( Mimiocurus ),  Lanurgus longipilis  (Schedl, 1958)  comb. nov. ,  Lanurgus pubescens  (Schedl, 1961)  comb. nov.  (both from  Traglostus ),  Diplotrichus catenatus  (Schedl, 1953)  comb. nov.,  Diplotrichus elongatus  (Schedl, 1950)  comb. nov.,  Diplotrichus euphorbia  (Schedl, 1961)  comb. nov.,  Diplotrichus gracilis  (Schedl, 1958)  comb. nov.,  Diplotrichus minor  (Schedl, 1950)  comb. nov  (= Lanurgus frontalis  Schedl, 1953  syn. Nov. ),  Diplotrichus obesus  (Schedl, 1953)  comb. nov. ,  Diplotrichus pygmaeus  (Schedl, 1965)  comb. nov. ,  Diplotrichus rugosipes  (Schedl, 1961)  comb. nov. ,  Diplotrichus subdepressus  (Schedl, 1965)  comb. nov. ,  Diplotrichus widdringtoniae  (Schedl, 1962)  comb. nov.  (all from  Lanurgus ),  Diplotrichus ignotus  (Schedl, 1965)  comb. nov.  ( Pseudomicracis ),  Pseudolanurgus harunganae  (Schedl, 1961)  comb. nov.  (= Lanurgus cribrellus  Schedl, 1965  syn. nov. ),  Pseudolanurgus bugekeae  (Schedl, 1957)  comb. nov.  (both from  Pseudomicracis ),  Pseudolanurgus minutissimus  (Schedl, 1961)  comb. nov.  ( Lanurgus ),  Pseudomicracis dispar  (Schedl, 1961)  comb. nov. ,  Pseudomicracis tomicoides  (Schedl, 1961)  comb. nov.  (both from  Saurotocis ). The following taxa were transferred to genera in other tribes:  Acanthotomicus intermedius  (Schedl, 1977)  comb. nov. ,  Xylocleptes villiersi  (Lepesme, 1942)  comb. nov.  (both from  Dendrochilus );  Eidophelus agnathus  (Schedl, 1942)  comb. nov. , and  Eidophelus ciliatipennis  (Schedl, 1979)  comb. nov.  (all from  Miocryphalus ). The following five species were included in  Karlsenius  gen. nov.  (Trypophloeini):  Karlsenius klainedoxae  (Schedl, 1957)  comb. nov. ,  Karlsenius nitidum  (Schedl, 1965)  comb. nov. ,  Karlsenius nigrinum  (Schedl, 1957)  comb. nov. , and  Karlsenius attenuatus  (Eggers, 1935)  comb. nov.  (from  Miocryphalus ), and  Karlsenius ghanaensis  (Schedl, 1977)  comb. nov.  (from  Eidophelus ). A time-tree and biogeographical analysis suggested that Madagascar was colonized only once in Micracidini, from East Africa soon after the origin of the tribe in late Cretaceous. Multiple re-colonisations from Madagascar to the mainland have contributed to further diversification of a tribe which is otherwise highly restricted in geographical distribution.

A phylogenetic and taxonomic assessment of Afrotropical Micracidini (Coleoptera, Scolytinae) reveals a strong diversifying role for Madagascar