New combinations and synonymies of leafcutter and mason bees of the Americas (Megachile, Hymenoptera, Megachilidae)

Zootaxa ◽  
2002 ◽  
Vol 71 (1) ◽  
pp. 1 ◽  
Author(s):  
ANTHONY RAW
Keyword(s):  
New Combinations ◽  
New Name ◽  
New Synonyms ◽  
First Time

The taxonomic positions of 284 names on the genus Megachile (sensu Michener et al. 1994) of the Americas are clarified. A total of 166 types (164 holotypes and 2 cotypes) were examined. In 24 cases specimens determined by specialists were used and in 17 the published descriptions were analysed. The subgenera of 175 species are indicated for the first time and 94 are nomenclatural changes. Four lectotypes are designated. There are 11 new synonyms: brasiliensis Dalla Torre 1896 (= nigridorsis Vachal 1908 = brancoensis Mitchell 1930), eburneipes Vachal 1904 (= bernardina Schrottky 1913), fiebrigi Schrottky 1908 (= tergina Vachal 1908), guaranitica Schrottky 1908 (= marcida Vachal 1908), maura Cresson 1865 (= carlotensis Mitchell 1927), nigripennis Spinola 1841 (= hypocrita Smith 1853 = totonaca Cresson 1878), nudiventris Smith 1853 (= jurujubensis Cockerell 1927) pedalis Fox 1891 (= liguanensis Cockerell 1912) and poeyi Guérin-Méneville 1845 (= velhoensis Mitchell 1930). One is a change of specific name: moderata Smith 1879 (= mariannae Dalla Torre 1896) and one of subgenus: Moureapis new name (= Moureana Mitchell 1980 = Willinkella Laroca et al 1982 = Acentrina Schlindwein 1995). Two have changed to a new status: poeyi alleni Mitchell 1927 to alleni Mitchell and hoffmanseggiae var. hypoleuca Cockerell 1927 to hypoleuca Cockerell.

An annotated checklist of Gelechiidae (Lepidoptera) of Israel with description of two new species

Zootaxa ◽  
2019 ◽  
Vol 4677 (1) ◽  
pp. 1-68 ◽  
Author(s):  
OLEKSIY BIDZILYA ◽  
OLE KARSHOLT ◽  
VASILIY KRAVCHENKO ◽  
JAN ŠUMPICH
Keyword(s):  
New Species ◽  
Host Plants ◽  
New Records ◽  
New Combinations ◽  
Altai Mountains ◽  
Type Specimens ◽  
New Synonyms ◽  
Two New Species ◽  
Annotated Checklist ◽  
First Time

One hundred forty-six species of Gelechiidae including 36 new records are reported from Israel. Anarsia balioneura Meyrick, 1921 and Polyhymno chionarcha Meyrick, 1913 are recorded for the first time in the Palaearctic region. Two new species are described: Metzneria freidbergi sp. nov., and Scrobipalpa aravensis sp. nov. Six new synonyms are established: Stygmatoptera Hartig, 1936 syn. nov. of Polyhymno Chambers, 1874; Eulamprotes Bradley, 1971 syn. nov. of Oxypteryx Rebel, 1911; Polyhymno abaiella Amsel, 1974 syn. nov. of Polyhymno chionarcha, Meyrick, 1913; Gelechia haifella Amsel, 1935 syn. nov. of Athrips rancidella (Herrich-Schäffer, 1854); Sophronia catharurga Meyrick, 1923 and Sophronia parahumerella Amsel, 1935 syn. nov. of Pseudosophronia exustellus (Zeller, 1847). The following new combinations are proposed: Anacampsis karmeliella (Amsel, 1935) comb. nov., Stomopteryx tesserapunctella (Amsel, 1935) comb. nov., Aproaerema languidella (Amsel, 1936) comb. nov., Aproaerema telaviviella (Amsel, 1935) comb. nov., Acompsia (Telephila) ballotellus (Amsel, 1935) comb. nov., Polyhymno dumonti (Hartig, 1936) comb. nov., Oxypteryx atrella (Denis & Schiffermüller, 1775) comb. nov., Oxypteryx immaculatella (Douglas, 1850) comb. nov. and Chrysoesthia amseli (Bidzilya, 2008) comb. nov. A lectotype is designated for Lita rhamnifoliae Amsel & Hering, 1931.The genitalia of both sexes of Sophronia sagittans Meyrick, 1923, Anacampsis karmeliella (Amsel, 1935), Stomopteryx tesserapunctella Amsel, 1935 as well as male genitalia of Stomopteryx lacteolella Caradja, 1924, Aproaerema telaviviella (Amsel, 1935), Acompsia ballotellus (Amsel, 1935), Polyhymno dumonti (Hartig, 1936) and Chrysoesthia amseli (Bidzilya, 2008) are illustrated and described for the first time. New or additional host plants are recorded for Metzneria aspretella Lederer, 1869, M. agraphella (Ragonot, 1895), M. ehikeella Gozmány, 1954 and Scrobipalpa suaedivorella (Chrétien, 1915). Photographs of the type specimens of most taxa described from Israel and Palestine are presented. The following species are removed from the list of Gelechiidae of Israel: Nothris sulcella Staudinger, 1879, N. skyvai Karsholt & Šumpich, 2015, Anarsia spartiella Schrank, 1802, Megacraspedus cerussatellus Rebel, 1930, Oxypteryx atrella (Denis & Schiffermüller, 1775), Isophrictis anthemidella (Wocke, 1871), Metzneria metzneriella (Stainton, 1851), Scrobipalpa otregata Povolný, 1972, Scrobipalpa nitentella (Fuchs, 1902), Scrobipalpa remota Povolný, 1972, Scrobipalpa salinella (Zeller, 1847) and Ephysteris diminutella (Zeller, 1847). Moreover, Stomopteryx remissella (Zeller, 1847) is recorded as new to the Altai Mountains of Russia, Anarsia balioneura Meyrick, 1921 is new to Cyprus and Libya, Polyhymno dumonti (Hartig, 1936) is new to Libya and Sudan, Scrobipalpa superstes is new to Greece, Stenolechia gemmella (Linnaeus, 1758) is new to Jordan and Polyhymno chionarcha is new to Saudi Arabia. 

scholarly journals Taxonomic novelties in the fern genus Tectaria (Tectariaceae)

Phytotaxa ◽  
2013 ◽  
Vol 122 (1) ◽  
pp. 61 ◽  
Author(s):  
Hui-Hui Ding ◽  
Yi-Shan Chao ◽  
Shi-Yong Dong
Keyword(s):  
New Combination ◽  
New Combinations ◽  
New Name ◽  
New Synonyms ◽  
Taxonomic Novelties

The misapplication of the name Tectaria griffithii is corrected, which results in the revival of T. multicaudata and the proposal of a new combination (T. multicaudata var. amplissima) and two new synonyms (T. yunnanensis and T. multicaudata var. singaporeana). For the reduction of Psomiocarpa and Tectaridium (previously monotypic genera) into Tectaria, T. macleanii (new combination) and T. psomiocarpa (new name) are proposed as new combinations. In addition, the new name Tectaria subvariolosa is put forward to replace a later homonym (T. stenosemioides). 

New names of fossil Cyperaceae of Northern Eurasia

Phytotaxa ◽  
2018 ◽  
Vol 356 (2) ◽  
pp. 131 ◽  
Author(s):  
ALEXANDER B. DOWELD
Keyword(s):  
Northern Eurasia ◽  
New Combinations ◽  
Fossil Species ◽  
New Name ◽  
First Time

The fossil-species of Scirpus sensu lato are re-classified in currently recognized distinct genera, Amphiscirpus, Bolboschoenus, Schoenoplectiella and Schoenoplectus. New combinations are validated: Amphiscirpus tertiarius comb. nov., Bolboschoenus kreczetoviczii comb. nov., B. longispermus comb. nov., B. pliocenicus comb. nov., B. wieliczkeviczii comb. nov., Schoenoplectiella dravertii comb. nov., S. juliae comb. nov., S. khachlovii comb. nov., S. kipianiae comb. nov., S. lucens comb. nov., S. meotica comb. nov., S. nikitinii comb. nov., S. palaeobucharica comb. nov., S. palibinii comb. nov., S. ragozinii comb. nov., S. suchovii comb. nov., S. szaferi comb. nov., Schoenoplectus liratus comb. nov., S. lusaticus comb. nov. and S. odessanus comb. nov. A new fossil-species Schoenoplectiella isolepioides sp. nov. is validated instead of invalidly published ‘Scirpus (Schoenoplectus) isolepioides’ Mai & Walther. Fossil Scirpus leptocarpus Negru, being an illegitimate later homonym of extant Scirpus leptocarpus Mueller, is re-named Scirpus novorossicus nom. nov. Carex × notholimosioides nom. nov. (C. limosa × C. paleacea) is proposed to replace the later homonym C. × limosoides Cayouette (extant) non C. limosioides Negru (fossil). Cladium crassum Negru (fossil) is replaced by a new name Cladium transdnestrovicum nom. nov., on account of the earlier homonym, C. crassum (Thwaites) Kükenthal (extant). Fossil-species of the genus Dichostylis, a nomenclaturally superfluous name, and unrecognized genus Acorellus are re-classified and transferred to Cyperus: Cyperus distachyoformis comb. nov., C. germanicus comb. nov., C. maii nom. nov., C. pliocenicus comb. nov., C. protohamulosus comb. nov., C. pygmaeoides comb. nov. and C. waltheri nom. nov. Scirpus khachlovii and S. suchovii are lectotypified for the first time.

Palaeoflora Europaea: Notulae Systematicae ad Palaeofloram Europaeam spectantes I. New names of fossil magnoliophytes of the European Tertiary. I. Miscellaneous families

Phytotaxa ◽  
2018 ◽  
Vol 379 (1) ◽  
pp. 78
Author(s):  
ALEXANDER B. DOWELD
Keyword(s):  
New Combinations ◽  
New Name ◽  
Fossil Leaves ◽  
Ligustrum Vulgare ◽  
First Time

The Palaeoflora Europaea Project required new names to be proposed and validated for 28 fossil taxa referable to 16 miscellaneous angiosperm families of the European Tertiary. Aniba caucasica nom. nov. is proposed instead of Aniba longifolia Kolakovsky & Schakryl (fossil) non Aniba longifolia Schwacke & Mez (extant). Ocotea undulatoides nom. nov. is proposed to replace the later homonym Ocotea undulata (Weyland & Kilpper) Uzunova & Stojanova (fossil) non Ocotea undulata (Meisner) Mez (extant), Ocotea alaris nom. nov. is proposed to replace the later homonym Ocotea alata van der Werff (extant) non Ocotea alata Givulescu (fossil). Clerodendrum sarmatiacum nom. nov. instead of Clerodendrum ovalifolium Baikovskaja (fossil) non C. ovalifolium Gray and C. ovalifolium (Jussieu) Bakhuizen (extant); Persea vanderwerffii nom. nov. instead of Persea fluviatilis van der Werff (extant) non P. fluviatilis Mai (fossil); Euphorbia pontiana nom. nov. in place of Euphorbia cylindrica Negru (fossil) non Euphorbia cylindrica Marloth ex A.C.White, R.A.Dyer & B.Sloane (extant); Malus antiqua nom. nov. instead of Malus pulcherrima Givulescu (fossil) non M. pulcherrima (Ascherson & Graebner) Boynton (extant); Meliosma antiqua nom. nov. instead of Meliosma reticulata (Reid & Reid) M.Chandler (fossil) non M. reticulata Merrill (extant); Nyssa givulescui nom. nov. instead of Nyssa maxima Givulescu, Petrescu & Barbu (fossil) non Nyssa maxima Weber (fossil). Pistacia acuminata Reid & Reid (fossil fruits) is replaced by a new name Pistacia pliolentiscus nom. nov., because of the earlier homonym P. acuminata Boissier & Buhse (extant); Pistacia miolentiscus nom. nov. is proposed to replace the later homonym Pistacia lentiscoides Andreánszky & Cziffery (fossil leaves) non Pistacia lentiscoides Unger (fossil leaves); Sterculia maoana nom. nov. instead of Sterculia cinnamomifolia Tsai & Mao (extant) non S. cinnamomifolia Engelhardt (fossil) and Sterculia acerina nom. nov. instead of Sterculia crassinervia (Ettingshausen) Prochaìzka & Bůžek (fossil) non S. crassinervia Miquel (extant); Ranunculus eoreptans nom. nov. in place of Ranunculus pusillus P.I. Dorofeev (fossil) non R. pusillus Poiret, R. pusillus Ledebour and R. pusillus Pomel (extant); Rhododendron maii nom. nov. is proposed instead of Rhododendron germanicum Mai & Walther (fossil) non Rhododendron germanicum Hoppe (extant). Viburnum pliolantana nom. nov. is proposed to replace the later homonym Viburnum lantanoides P.I. Dorofeev (fossil) non Viburnum lantanoides Michaux and Viburnum lantanoides Miquel (extant). Zanthoxylum affine Pilar (fossil leaves) is replaced by a new name Zanthoxylum pilari nom. nov., because of the earlier homonym Z. affine Kunth (extant); Zanthoxylum tethyca nom. nov. is proposed to replace the later homonym Z. rugosum (Chandler) Palamarev (fossil fruits) non Z. rugosum Saint-Hilaire & Tulasne (extant) and Z. rugosum Negru (fossil fruits). Sambucus sarmatiaca sp. nov. and Photinia sarmatiaca sp. nov. are validated instead of the previously invalidly published Baikovskaja’s fossil taxa lacking holotype designation when published. Lycopus europleistocenicus sp. nov. is validated instead of the invalidly published Lycopus intermedius Dorofeev (lacking holotype designation when published) and renamed because of the earlier homonym Lycopus intermedius Haussknecht (extant). Hibiscus sarmatiacus sp. nov. is validated instead of the invalid Hibiscus splendens Baikovskaja (lacking holotype designation when published) and renamed because of the earlier homonym Hibiscus splendens Graham (extant). Ligustrum miovulgare sp. nov. is proposed to replace invalid Ligustrum vulgare var. fossilis (lacking holotype designation when published). New combinations are validated: Cornus caroli comb. nov. (since formerly used generic designation Cynoxylon is nomenclaturally superfluous), Mahonia sphenophylla comb. nov. (to replace nomenclaturally superfluous Mahonia aspera), Toxicodendron melaenum comb. nov. (to replace invalid Toxicodendron herthae). New additional combinations are made: Aniba aniboides comb. nov.; Damburneya euxina comb. nov.; Exbucklandia germanica comb. nov.; Ocotea pithyusa comb. nov., Ocotea pontica comb. nov. Furthermore Juglans melaena is neotypified for the first time.

Aglaotilla, a new genus of Australian Mutillidae (Hymenoptera) with metallic coloration

Zootaxa ◽  
2018 ◽  
Vol 4415 (2) ◽  
pp. 357 ◽  
Author(s):  
DENIS J. BROTHERS
Keyword(s):  
Type Species ◽  
New Genus ◽  
New Combinations ◽  
New Name ◽  
Trap Nests ◽  
First Time

The genus Aglaotilla Brothers, gen. nov., is described for 14 striking species of Australian Mutillidae related to Ephutomorpha André, 1902, characterized by bright metallic coloration and strong punctation. The description of both sexes is possible through sex associations revealed by rearings from mud nests and trap nests. Both sexes of the type species, Ephutomorpha submetallescens Turner, 1916, are described and illustrated, the male for the first time. New combinations and a new name are proposed, as follows: Aglaotilla aeruginosa (Smith, 1879), comb. nov. (from Mutilla); A. australis (André, 1898), comb. nov. (from Mutilla); A. cuprea (André, 1901), comb. nov., stat. nov. (from Mutilla); A. dilecta (Turner, 1916), comb. nov. (from Ephutomorpha); A. ignita (Smith, 1855), comb. nov. (from Mutilla); A. metallica (Smith, 1855), comb. nov. (from Mutilla); A. mira (André, 1895), comb. nov. (from Mutilla (Sphaerophthalma [sic.])); A. nigroaenea (Smith, 1855), comb. nov. (from Mutilla); A. picturata (Turner, 1914), comb. nov. (from Ephutomorpha); A. semicuprea (André, 1898), comb. nov. (from Mutilla); A. submetallescens (Turner, 1916), comb. nov. (from Ephutomorpha); A. viridatis (Smith, 1855), comb. nov. (from Mutilla); A. viridiaurea (André, 1895), comb. nov. (from Mutilla (Sphaerophthalma [sic.])); A. discolor Brothers, nom. nov. (= Ephutomorpha aeneidorsis Turner, 1916, not Ephutomorpha lauta var. aeneidorsis André, 1903). 

A review of the genus Scrobipalpa Janse, 1951 (Lepidoptera, Gelechiidae) in the Afrotropical region

Zootaxa ◽  
2021 ◽  
Vol 5070 (1) ◽  
pp. 1-83
Author(s):  
OLEKSIY V. BIDZILYA
Keyword(s):  
South Africa ◽  
Male Genitalia ◽  
Host Plants ◽  
New Combinations ◽  
Material Identification ◽  
Additional Material ◽  
Identification Keys ◽  
New Synonyms ◽  
Afrotropical Region ◽  
First Time

The genus Scrobipalpa in the Afrotropical region is revised. Thirty-six species are recognized as valid, 20 of which are described as new: S. ochroxantha sp. nov. (South Africa), S. wieseri sp. nov. (Namibia, South Africa), S. turiensis sp. nov. (Kenya), S. wolframi sp. nov. (Namibia), S. natalensis sp. nov. (South Africa), S. varivansoni sp. nov. (South Africa), S. typica sp. nov. (South Africa), S. staudei sp. nov. (South Africa), S. afromontana sp. nov. (Kenya), S. erexita sp. nov. (South Africa), S. admirabilis sp. nov. (Namibia), S. griseata sp. nov. (South Africa), S. nigristriana sp. nov. (Kenya), S. munita sp. nov. (Malawi), S. ochracea sp. nov. (South Africa), S. asantesana sp. nov. (South Africa), S. selectoides sp. nov. (Namibia, RSA), S. etoshensis sp. nov. (Namibia), S. ethiopica sp. nov. (Ethiopia), and S. agassizi sp. nov. (Kenya). Six new synonyms are established: Phthorimaea blapsigona Meyrick, 1916 and Scrobipalpa asiri Povolný, 1980 syn. nov. of Scrobipalpa concreta (Meyrick, 1914); Scrobipalpa xylochroa Janse, 1963 and S. obsoletella hospes Povolný, 1964 syn. nov. of S. obsoletella (Fischer von Röslerstamm, 1841); S. vicaria (Meyrick, 1921) syn. nov. of S. geomicta (Meyrick, 1918); and Gelechia chersophila Meyrick, 1918 syn. nov. of S. portosanctana (Stainton, 1859). The following new combinations for five species previously placed in Scrobipalpa are proposed: Ephysteris cretigena (Meyrick, 1914) comb. nov., Microlechia colasta (Meyrick, 1921) comb. nov., Schizovalva costimacula (Janse, 1951) comb. nov., Gelechia trychnophylla (Janse, 1960) comb. nov. and Trychnopalpa phalacrodes (Meyrick, 1913) comb. nov. Two species, Phthorimaea pendens Meyrick, 1918 comb. rev. and Homaloxestis ocyphanes Meyrick, 1937 comb. rev., are excluded from Scrobipalpa but no current genus is available. The male genitalia of Scrobipalpa nomias (Meyrick, 1921) are described for the first time. All species are diagnosed, some of them are redescribed based on additional material. Identification keys and photographs of adults and genitalia are provided. New or additional host plants are recorded for Scrobipalpa incola (Meyrick, 1912), S. concreta, S. portosanctana, and S. ergasima (Meyrick, 1916). Scrobipalpa incola is recorded for the first time from Namibia, Tanzania, and Kenya; S. concreta is new for Ethiopia, Sudan, Tanzania, Kenya, Mozambique, Benin and Mauritius; S. subroseata for Tanzania and Kenya; S. aptatella (Walker, 1864) and S. biljurshi Povolný, 1980 for Ethiopia; S. obsoletella and S. traganella (Chrétien, 1915) for Namibia; S. geomicta for India and Ethiopia; and S. ergasima for Benin, Zimbabwe, Tanzania, Ethiopia, and Yemen.  

scholarly journals New synonyms and combinations in Eurasian Brassicaceae (Cruciferae)

Phytotaxa ◽  
2014 ◽  
Vol 173 (1) ◽  
pp. 31 ◽  
Author(s):  
Dmitry A German
Keyword(s):  
New Combinations ◽  
New Synonyms ◽  
First Time

Taxonomy of miscellaneous taxa of Eurasian Brassicaceae is updated. Eight names at the species rank are reduced for the first time to synonymy of what follows them in parentheses: Cardamine szeewaldiana (C. macrophylla), Hesperis hyrcanica (Clastopus vestitus), Arabis oxyota (Crucihimalaya bursifolia), Hesperis speciosa and Parrya integerrima (Dendroarabis fruticulosa), Cheiranthus taraxacifolius (Erysimum cuspidatum), Draba ishkomania (Scapiarabis saxicola), Velarum tzvelevii (Sisymbrium officinale). Three new combinations (Hormathophylla kuepferiana, Isatis odontogera, and Parrya khorasanica) are proposed, first of them as a replacing name for a later homonym in the genus Hormathophylla. Three names (Arabis oxyota, Clastopus vestitus, and Crucihimalaya bursifolia) are lectotypified (for C. vestitus, a previous choice is narrowed) and a neotype is designated for Isatis odontogera. Nomenclatural comments are provided where needed.

Revisiting the phylogeny of Ocellularieae, the second largest tribe within Graphidaceae (lichenized Ascomycota: Ostropales)

Phytotaxa ◽  
2014 ◽  
Vol 189 (1) ◽  
pp. 52 ◽  
Author(s):  
Ekaphan Kraichak ◽  
Sittiporn Parnmen ◽  
Robert Lücking ◽  
EIMY RIVAS PLATA ◽  
André Aptroot ◽  
...  
Keyword(s):  
Molecular Phylogeny ◽  
Rna Polymerase ◽  
Rna Polymerase Ii ◽  
Large Subunit ◽  
Small Subunit ◽  
New Combinations ◽  
New Name ◽  
Small Subunit Rdna ◽  
Large Subunit Rdna ◽  
First Time

We present an updated 3-locus molecular phylogeny of tribe Ocellularieae, the second largest tribe within subfamily Graphidoideae in the Graphidaceae. Adding 165 newly generated sequences from the mitochondrial small subunit rDNA (mtSSU), the nuclear large subunit rDNA (nuLSU), and the second largest subunit of the DNA-directed RNA polymerase II (RPB2), we currently distinguish 218 species among the sequenced material, including the outgroup. This corresponds to almost half the species at this point recognized within this tribe. The newly generated sequences include 23 newly described species and one newly described genus published elsewhere in this volume. For the first time, Sarcographina cyclospora Müll. Arg., in spite of its distinctly lirellate ascomata, is shown to belong in tribe Ocellularieae, as strongly supported sister to Ocellularia inturgescens (Müll. Arg.) Mangold. The following six new combinations are proposed: Melanotrema lynceodes (Nyl.) Rivas Plata, Lücking & Lumbsch, Ocellularia curranii (Vain.) Kraichak, Lücking & Lumbsch, O. khasiana (Patw. & Nagarkar) Kraichak, Lücking & Lumbsch, O. cinerea (Müll. Arg.) Kraichak, Lücking & Lumbsch, O. erodens (R. C. Harris) Kraichak, Lücking & Lumbsch, and O. laeviuscula (Nyl) Kraichak, Lücking & Lumbsch. Further, the new name Ocellularia hernandeziana Kraichak, Lücking & Lumbsch is introduced for Myriotrema ecorticatum. The nomenclatural status of the name Ocellularia microstoma is clarified.

scholarly journals Revision of the xyleborine ambrosia beetle genus Microperus Wood, 1980 (Curculionidae, Scolytinae, Xyleborini) of Thailand with four new species and four newly recorded species

ZooKeys ◽  
2021 ◽  
Vol 1074 ◽  
pp. 191-214
Author(s):  
Wisut Sittichaya ◽  
Sarah Smith ◽  
Roger A. Beaver ◽  
Narit Thaochan
Keyword(s):  
New Species ◽  
Ambrosia Beetle ◽  
New Combinations ◽  
Ambrosia Beetles ◽  
Diagnostic Characters ◽  
New Synonyms ◽  
First Time

Microperus Wood, 1980 ambrosia beetles in Thailand are reviewed. Four species, M. bidentatussp. nov., M. bucolicussp. nov., M. globodeclivissp. nov., and M. serratussp. nov. are described. Four new combinations are given: Microperus armaticeps (Schedl, 1942) comb. nov., Microperus exsculptus (Eggers, 1927) comb. nov., Microperus pedellus (Schedl, 1969) comb. nov., and Microperus spicatulus (Browne, 1986) comb. nov., stat. res., all from Xyleborus. Two new synonyms are proposed: Microperus cruralis (Schedl, 1975) (= Xyleborus myllus Browne, 1986 syn. nov.), Microperus exsculptus (Eggers, 1927) (= Xyleborus dentipennis Browne, 1983 syn. nov.). Four species are reported from Thailand for the first time: Microperus chrysophylli (Eggers, 1930), Microperus exsculptus, Microperus nanus (Browne, 1949) and Microperus quercicola (Eggers, 1926). With the inclusion of the Microperus species described and recorded herein, the diversity of Microperus is increased to 35 species, of which 18 are recorded in Thailand. An updated key to the Microperus of the Indochinese Peninsula and China is provided. The taxonomy, diagnostic characters, and distribution of species are briefly discussed.

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