A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China
Authors: Smith Sarah M. , Beaver Roger A. , Cognato Anthony I. 
Published: November 2020

The Southeast Asian xyleborine ambrosia beetle fauna is reviewed for the first time. Thirty-four genera and 315 species are reviewed, illustrated, and keyed to genera and species. Sixty-three new species are described:Amasa cycloxystersp. nov.,Amasa galeodermasp. nov.,Amasa gibbosasp. nov.,Amasa linisp. nov.,Amasa tropidacronsp. nov.,Amasa youliisp. nov.,Ambrosiophilus caliginestrissp. nov.,Ambrosiophilus indicussp. nov.,Ambrosiophilus lannaensissp. nov.,Ambrosiophilus papilliferussp. nov.,Ambrosiophilus wantaneeaesp. nov.,Anisandrus achaetesp. nov.,Anisandrus aucosp. nov.,Anisandrus auratipilussp. nov.,Anisandrus congruenssp. nov.,Anisandrus cryphaloidessp. nov.,Anisandrus feroniasp. nov.,Anisandrus herasp. nov.,Anisandrus paragogussp. nov.,Anisandrus sinivalisp. nov.,Anisandrus venustussp. nov.,Anisandrus xuannusp. nov.,Arixyleborus crassiorsp. nov.,Arixyleborus phiaoacensissp. nov.,Arixyleborus setosussp. nov.,Arixyleborus silvanussp. nov.,Arixyleborus sittichayaisp. nov.,Arixyleborus titanussp. nov.,Coptodryas amydrasp. nov.,Coptodryas carinatasp. nov.,Coptodryas inornatasp. nov.,Cyclorhipidion amasoidessp. nov.,Cyclorhipidion amputatumsp. nov.,Cyclorhipidion denticaudasp. nov.,Cyclorhipidion muticumsp. nov.,Cyclorhipidion obesulumsp. nov.,Cyclorhipidion petrosumsp. nov.,Cyclorhipidion truncaudinumsp. nov.,Cyclorhipidion xeniolumsp. nov.,Euwallacea geminussp. nov.,Euwallacea neptissp. nov.,Euwallacea subalpinussp. nov.,Euwallacea testudinatussp. nov.,Heteroborips fastigatussp. nov.,Heteroborips indicussp. nov.,Microperus latesalebrinussp. nov.,Microperus minaxsp. nov.,Microperus sagmatussp. nov.,Streptocranus petilussp. nov.,Truncaudum bullatumsp. nov.,Xyleborinus cuneatussp. nov.,Xyleborinus disgregussp. nov.,Xyleborinus echinopterussp. nov.,Xyleborinus ephialtodessp. nov.,Xyleborinus huifenyinaesp. nov.,Xyleborinus jianghuansunisp. nov.,Xyleborinus thaiphamisp. nov.,Xyleborinus tritussp. nov.,Xyleborus opacussp. nov.,Xyleborus sunisaesp. nov.,Xyleborus yunnanensissp. nov.,Xylosandrus bellinsulanussp. nov.,Xylosandrus spinifersp. nov.. Thirteen new combinations are given:Ambrosiophilus consimilis(Eggers)comb. nov.,Anisandrus carinensis(Eggers)comb. nov.,Anisandrus cristatus(Hagedorn)comb. nov.,Anisandrus klapperichi(Schedl)comb. nov.,Anisandrus percristatus(Eggers)comb. nov.,Arixyleborus resecans(Eggers)comb. nov.,Cyclorhipidion armiger(Schedl)comb. nov.,Debus quadrispinus(Motschulsky)comb. nov.,Heteroborips tristis(Eggers)comb. nov.,Leptoxyleborus machili(Niisima)comb. nov.,Microperus cruralis(Schedl)comb. nov.,Planiculus shiva(Maiti &amp; Saha)comb. nov.,Xylosandrus formosae(Wood)comb. nov.Twenty-four new synonyms are proposed:Ambrosiophilus osumiensis(Murayama, 1934) (=Xyleborus nodulosusEggers, 1941syn. nov.);Ambrosiophilus subnepotulus(Eggers, 1930) (=Xyleborus cristatuloidesSchedl, 1971syn. nov.);Ambrosiophilus sulcatus(Eggers, 1930) (=Xyleborus sinensisEggers, 1941syn. nov.; =Xyleborus sulcatulusEggers, 1939syn. nov.);Anisandrus hirtus(Hagedorn, 1904) (=Xyleborus hirtipesSchedl, 1969syn. nov.);Cnestus protensus(Eggers, 1930) (=Cnestus rostratusSchedl, 1977syn. nov.);Cyclorhipidion bodoanum(Reitter, 1913) (=Xyleborus misatoensisNobuchi, 1981syn. nov.);Cyclorhipidion distinguendum(Eggers, 1930) (=Xyleborus fukiensisEggers, 1941syn. nov.; =Xyleborus ganshoensisMurayama, 1952syn. nov.);Cyclorhipidion inarmatum(Eggers, 1923) (=Xyleborus vagansSchedl, 1977syn. nov.);Debus quadrispinus(Motschulsky, 1863) (=Xyleborus fallaxEichhoff, 1878syn. nov.);Euwallacea gravelyi(Wichmann, 1914) (=Xyleborus barbatomorphusSchedl, 1951syn. nov.);Euwallacea perbrevis(Schedl, 1951) (=Xyleborus molestulusWood, 1975syn. nov.;Euwallacea semirudis(Blandford, 1896) (=Xyleborus neohybridusSchedl, 1942syn. nov.);Euwallacea sibsagaricus(Eggers, 1930) (=Xyleborus tonkinensisSchedl, 1934syn. nov.);Euwallacea velatus(Sampson, 1913) (=Xyleborus rudisEggers, 1930syn. nov.);Microperus kadoyamaensis(Murayama, 1934) (=Xyleborus pubipennisSchedl, 1974syn. nov.; =Xyleborus denseseriatusEggers, 1941syn. nov.);Stictodex dimidiatus(Eggers, 1927) (=Xyleborus dorsosulcatusBeeson, 1930syn. nov.);Webbia trigintispinataSampson, 1922 (=Webbia mucronatusEggers, 1927syn. nov.);Xyleborinus artestriatus(Eichhoff, 1878) (=Xyelborus angustior[sic] Eggers, 1925syn. nov.; =Xyleborus undatusSchedl, 1974syn. nov.);Xyleborinus exiguus(Walker, 1859) (=Xyleborus diversusSchedl, 1954syn. nov.);Xyleborus muticusBlandford, 1894 (=Xyleborus conditusSchedl, 1971syn. nov.; =Xyleborus lignographusSchedl, 1953syn. nov.). Seven species are removed from synonymy and reinstated as valid species:Anisandrus cristatus(Hagedorn, 1908),Cyclorhipidion tenuigraphum(Schedl, 1953),Diuncus ciliatoformis(Schedl, 1953),Euwallacea gravelyi(Wichmann, 1914),Euwallacea semirudis(Blandford, 1896),Microperus fulvulus(Schedl, 1942),Xyleborinus subspinosus(Eggers, 1930).