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A new genus, Homoeomyzo gen. nov. and new species H. katsurai sp. nov. are described from Venezuela. A new species Oideterus birai sp. nov. is described from Colombia. The new genus is included in a previously published key and a key to males of Oideterus is provided.

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The male of Sphallambyx mexicanum Galileo Martins, 2007 is described for the first time; the geographical distribution of the species is expanded to Guatemala, Costa Rica, and Panama. Sphallambyx chabrillacii (Thomson, 1857) is formally excluded from the fauna of Costa Rica. A key to species of Sphallambyx Fragoso, 1982 is provided.

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Compsibidion trinidadense (Gilmour, 1963) is transferred to Glomibidion Napp Martins, 1985. Thirteen new records for species of Compsibidion Thomson, 1864, and Heterachthes Newman, 1840 are provided. Heterachthes delicatus Martins, 2009, formerly known only from Brazil (Caatinga Biome) is recorded for the first time for French Guiana (tropical moist forests). Additionally, three forgotten records are noted.

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Nineteen new species are described: Rosalba wappesi, from Bolivia; R. giesberti, from Bolivia; R. skillmani, from Bolivia; R. lingafelteri, from Bolivia; R. senecauxi, from French Guiana; R. dalensi, from French Guiana; R. giuglarisi, from French Guiana; R. nearnsi, from French Guiana; R. cerdai, from French Guiana; R. gaianii, from Venezuela; R. pittieri, from Venezuela; R. clinei, from Bolivia and Brazil; R. morrisi, from Costa Rica and Panama; R. schneppi, from Panama; R. birai, from Colombia; R. stenodesma, from Venezuela and French Guiana; R. similis, from Peru and Ecuador; R. bezarki, from Ecuador; and R.seraisorum, from Ecuador and Brazil (Amazonas). The following new synonymies are established: Aletretia dissimilis Belon, 1903 = A. fimbriata Belon, 1903; Aletretia consobrina Melzer, 1934, Rosalba gounellei Galileo Martins, 2013 and Rosalba vanini Galileo Martins, 2013 = Aletretia inscripta Bates, 1866; Aletretia mediofasciata Breuning, 1943 = Aletretia bucki Melzer, 1934; Aletretia peraffinis Breuning, 1940 = Aletretia approximata Melzer, 1934. The following species are redescribed: Rosalba strandiella (Breuning, 1940); and Rosalba rufescens (Breuning, 1940). The following new records are reported: Rosalba strandiella for Bolivia; R. strandi (Breuning, 1943) from the Brazilian states of São Paulo, Paraná and Santa Catarina; R. inscripta from Peru and the Brazilian state of Acre; R. smaragdina (Breuning, 1940) from the Brazilian state of Minas Gerais; R. obliqua (Thomson, 1868) from Brazil; and Rosalba fimbriata (Belon, 1903) from Ecuador.

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Nocalusa prodigiosa, new genus and new species of Anacolini, is described from Bolivia. A key to genera of American Anacolini based only on females is provided.

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Estoloides (Parestoloides) Breuning, 1940, and Mimestoloides Breuning, 1974 are synonymized with Estoloides Breuning, 1940. Mimestoloides Breuning, 1980 is synonymized with Spinestoloides Breuning, 1954. Estoloides aurantius Martins Galileo, 2010 is synonymized with E. scabracaulis Chemsak Noguera, 1993. Estoloides modica Chemsak Noguera, 1993 is synonymized with E. chamelae Chemsak Noguera, 1993. Estoloides (Spinestoloides) spinipennis Breuning, 1974, is synonymized with Esthlogena monticola (Fisher, 1942). Estoloides (Spinestoloides) Breuning, 1954 is considered a genus different from Estoloides. Notes on Pseudestoloides Breuning and Heyrovsky, 1961, Pseudestoloides costaricensis Breuning and Heyrovsky, 1961, Pseudestoloides affinis Martins and Galileo, 2009, and on the type of Estoloides (Parestoloides) costaricensis Breuning, 1940, are provided. Pseudestoloides hiekei Breuning, 1974, is transferred to Estoloides. The following new combinations are established: Spinestoloides monticola; Spinestoloides fasciatus (Martins Galileo, 2010); Spinestoloides benardi (Breuning, 1980); Estoloides andresi (Breuning, 1974); and Estoloides hiekei (Breuning, 1974). With the synonymy of Estoloides (Parestoloides), the following species have the subgenus removed from their names: Estoloides basigranulata Breuning, 1943: E. costaricensis Breuning, 1940; E. esthlogenoides Breuning, 1943; and E. parva Breuning, 1940. The following new species are described: Estoloides vandenberghei, from Nicaragua; E. maesi, from Nicaragua; E. nayeliae, from Mexico; E. noguerai, from Mexico and Nicaragua; E. chiapensis, from Mexico; E. pubescens, from Mexico; E. schusteri, from Guatemala; E. dthomasi, from Mexico; E. morrisi, from Mexico; E. giesberti, from Honduras; E. uyucana, from Honduras; Spinestoloides hefferni from Panama; and Pseudestoloides bingkirki from Nicaragua. The male of Spinestoloides spinipennis (Breuning, 1954), and the female of Estoloides prolongata are described for the first time. Keys to separate Estoloides, Pseudestoloides and Spinestoloides, from each other, and to species of Pseudestoloides and Spinestoloides are provided. Estoloides chamelae is newly recorded from Chiapas, Colima, Oaxaca and Guerrero in Mexico; E. prolongata is newly recorded from Costa Rica; and E. rufipes is newly recorded from the Brazilian state of Espírito Santo. The holotypes of Estoloides alboscutellaris Breuning, 1943 (Fig. 13), E. annulicornis Breuning, 1940 (Fig. 14), and E. reflexa Breuning, 1940 (Fig. 15) are also figured for the first time.

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Sparna Thomson, 1864 and Carterica Pascoe, 1858 are divided into seven genera: Sparna, Carterica, Francisparna gen. nov., Batesparna gen. nov., Allocarterica gen. nov., Piriana gen. nov., Miguellus gen. nov., and Confluentia gen. nov. From the species currently placed in Sparna, only S. lycoides Thomson, 1864 is maintained in the genus, and only Carterica mucronata (Olivier, 1795) is considered a true Carterica. Sparna bosqi Gilmour, 1954 is revalidated and included in a new genus. The following new species are described: Sparna tavakiliani, from Colombia; Piriana birai, and P. nearnsi, from Brazil (Pará); P. consimilis, from Ecuador; P. svachai, from Brazil (Rio Grande do Sul); Confluentia nigra, from Colombia; and C. flavomaculata, from Peru. Miguellus monnei, sp. nov., gen. nov. is described from Ecuador. Keys to species of Piriana and Confluentia are provided, as well as a key to the genera from the division of Sparna and Carterica, including Miguellus.

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Biribellus isabelae, a new species from Peru, is described and illustrated. The new species is compared with B. huedepohli (Galileo, 1987), a species with a very similar general appearance. An updated key to species of Biribellus is provided.

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Malthonea keili, a new species from Ecuador, is described and illustrated. A key to species of Malthonea is provided. Photographs of the types of Malthonea minima, Prymnopteryx glaucina, Malthonea ruficornis, and Ptericoptus guttatus are provided as an aid to understanding the key (photographs of the types of the last three are provided for the first time).(AU)

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Malthonea keili, a new species from Ecuador, is described and illustrated. A key to species of Malthonea is provided. Photographs of the types of Malthonea minima, Prymnopteryx glaucina, Malthonea ruficornis, and Ptericoptus guttatus are provided as an aid to understanding the key (photographs of the types of the last three are provided for the first time).

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Tyrinthia frontalis (Guérin-Méneville, 1855) is redescribed, formally recorded from Ecuador, and its type locality is questioned. Tyrinthia napoensis sp. nov. is described from Ecuador. Tyrinthia paraba Martins & Galileo, 1991, and T. turuna Martins & Galileo, 1993 are new country records for Ecuador. A key to species of Tyrinthia from Ecuador is provided.

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Hippopsis raberi sp. nov. is described from Darién National Park, Panama. A key to 40 species of the genus is provided.

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The differences between Lycidola Thomson, 1864 and Apeba Martins & Galileo, 1991 are discussed, and a new concept proposed for both genera. Lycidola popeba Galileo & Martins, 2006 is transferred to Apeba. The authorship of Lycidola palliata nigrohumeralis (type species of Acabanga Martins & Galileo, 1991) is corrected. Hemilophus togatus sensu Haase (1892) and sensu Heyne & Taschenberg (1908) are excluded from the synonym of Apeba togata (Klug, 1825). Apeba herrerae sp. nov. is described from Bolivia, and a key to species of this genus is provided. Lycaneptia antiqua Waterhouse, 1880 (= Apeba antiqua) is synonymized with Saperda togata Klug, 1825 (= Apeba togata). Eranina tomentilla Mehl et al., 2015 and Tyrinthia humeralis Martins & Galileo, 2014) are synonymized with Tyrinthia reversa Bates, 1881 (= Icimauna reversa); I. reversa is recorded for the first time from Brazilian state of São Paulo. Icimauna macilenta (Bates, 1881) is figured for the first time, and I. macilenta sensu Martins & Galileo (2014b) is Eraninella longiscapus (Bates, 1881). A key to species of Icimauna is provided. Oreodera clarkei sp. nov. is described from Bolivia. A key to species of Oreodera Audinet-Serville, 1835 recorded from Bolivia is provided. The differences between Hippopsis Lepeletier & Audinet-Serville, 1825 and Megacera Audinet-Serville, 1835 are summarized, and a new concept is proposed for each. Subsequently, Megacera rigidula Bates, 1866, and M. acuminata Galileo & Martins, 2006 are transferred to Hippopsis.

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Elaphidiini Thomson, 1864 is a large tribe of Cerambycidae composed of 92 genera with species distributed from Canada to southern South America. Lingafelter (1998) performed a generic level phylogenetic analysis of the tribe and provided a key to the known genera. According to Lingafelter, Elaphidiini is characterized as follows: mesally-spined antenna (lost in some taxa), narrow metepisternum with a centrally positioned keel, strongly sclerotized below and membranous above; prosternal process between procoxae slightly to strongly expanded at apex (rarely linear and unexpanded); terminal palpomeres much wider at apex than base; and coarsely faceted eyes (with few exceptions).

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Rosalbopsis wappesi, a new species belonging to a new genus of Desmiphorini, is described from Panama. Eupogonius obrienorum sp. nov. is described from Mexico.

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Five new species are described from American fauna: Stizocera boliviensis and Sphaerion lingafelteri from Bolivia (Elaphidiini); Ectenessa wappesi from Panama (Ectenessini); Mecometopus martinsi from Peru and Ecuador (Clytini); Recchia volcanensis from Bolivia (Aerenicini). The new species are included in previous keys. Sphaerion rusticum Burmeister, 1865 is recorded from Bolivia for the first time.

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ABSTRACT A new species of Adetus LeConte, 1852 is described from Bolivia. Additions to the description of Wappesoeme Galileo et al., 2015 and differences between males and females of Wappesoeme camiri Galileo et al., 2015 are provided. New country and state records are provided in Cerambycinae and Lamiinae. The type depository is corrected for three species of Amphicnaeia Bates, 1866.

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Two new species are described in Calliini: Callisema jirouxi sp. nov. from Ecuador and Colombicallia setosa sp. nov. from Costa Rica. Keys to species of Callisema and Colombicallia are provided. Psapharochrus alboguttatus (Melzer, 1935) is transferred to Alphus White, 1855. New country, department and state records are provided in Lamiinae.

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Two new species of Coleoxestia Aurivillius, 1912 are described from Brazil: Coleoxestia apeara, and Coleoxestia moromokoi. Both are included in a previous key.

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Three new species of Cerambycidae are described from the Brazilian Amazonian region: Psapharochrus bezarki (Lamiinae, Acanthoderini); Xenofrea ayri (Lamiinae, Xenofreini); and Mecometopus wappesi (Cerambycinae, Clytini). Mecometopus wappesi is added to a previous key.