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Two new species of Onciderini Thomson, 1860 (Coleoptera: Cerambycidae: Lamiinae) are described and illustrated: Neocherentes adrianoi Nearns and Monné, from Brazil, and Neocherentes pergeri Nearns and Monné, from Bolivia. The male of Neocherentes dilloniorum Tippmann, 1960 is redescribed and the female is described for the first time. Neocherentes dilloniorum is excluded from the Brazilian fauna. A key to the known species of Neocherentes Tippmann, 1960 is provided.
Two new species of Mexican Clytini (Coleoptera: Cerambycidae: Cerambycinae) are described: Trichoxys giesberti Botero, Santos-Silva and Wappes (also added to a recent key) and Megacyllene giesberti Botero, Santos-Silva and Wappes. The geographical distribution of Megacyllene melanaspis (Chevrolat, 1862) is expanded to include Bolivia, new country record, and compared to the similar and sympatric Megacyllene proxima (Laporte and Gory, 1841); Megacyllene asteca (Chevrolat, 1860) is proposed as a new combination for the previous Plagionotus asteca, and Amyipunga armaticollis (Zajciw, 1964) is redescribed to correct previous errors regarding it in the literature. Additionally, characters to help separate it from the similar species Amyipunga moritzii (Thomson, 1861) are provided.
Three Neotropical species are transferred to the genus Premnobius Eichhoff (Coleoptera: Curculionidae: Scolytinae: Ipini): Premnobius assiduus (Schedl, 1961, from Xyleborus), P. flechtmanni (Wood, 2007, from Acanthotomicus) and P. neoajunctus (Schedl, 1967, from Xyleborus). An illustrated key is presented for the native and introduced species of the genus known from the New World.
Four new species of Elaphidiini (Coleoptera: Cerambycidae: Cerambycinae) are described: Psyrassa vandenberghei Wappes, Botero and Santos-Silva, from Nicaragua; Psyrassa androwi Wappes, Botero and Santos-Silva, from Belize, Costa Rica, Nicaragua and Panama; Psyrassa vandevenderi Wappes, Botero and Santos-Silva, from Mexico; and Aneflomorpha monzoni Wappes, Botero and Santos-Silva, from Guatemala.
The status of genera and species in the stag beetle tribe Aesalini (Coleoptera: Lucanidae: Aesalinae) is revised. The Asian subgenus Zelenkaesalus Krikken, formerly included within Echinoaesalus Zelenka, is elevated to generic level based on the presence of complete ventral sulci and the form of the ocular canthus. This results in the following new combinations: Z. cechovskyi (Huang et al.), Z. gedeensis (Huang and Wu), Z. javanus (Krikken), Z. sabahensis (Zelenka), and Z. timidus (Krikken). Zelenkaesalus pazuzus Paulsen, new species, is described from the Philippines and is the first record of the subfamily for the country. A new genus Strabaesalus is created for species of Echinoaesalus that have a narrow dorsal lobe of the eye, acuminate clypeus, and lack abdominal sulci. This results in the following new combinations: S. borneoensis (Huang and Imura), S. hidakai (Araya et al.), and S. schuhi (Zelenka). In the Americas, Trogellus trajectus Paulsen, new species, is described from southern Panama. The male habitus and male genitalia of Trogellus maesi Paulsen are illustrated for the first time.
The myrmecophilous Paederinae rove beetle genus Megastilicus Casey, 1889 from North America is reviewed based on museum specimens. Prior to this study, the genus was monotypic with one species Megastilicus formicarius Casey, 1889 described. Here, we provide a redescription of the genus and the type species, designate a lectotype, and provide pictures of habitus and illustrations of the aedeagus and genital segments. Additionally, we describe a new species for the genus, Megastilicus iowaensis sp. nov., include an identification key to the two species and present the distribution map of both of them, including new state records. We discuss the assignment of the genus to the subtribe Stilicina based on morphological features.
A new species of leaf insect from the celebicum species group, Phyllium (Phyllium) yapicum Cumming and Teemsma, new species (Phasmida: Phylliidae), is described from a female specimen from the California Academy of Sciences collection, United States. This new species is the first recorded species of Phylliidae from the country of Micronesia and represents a notable range expansion for the family. With Phyllium (Phyllium) yapicum Cumming and Teemsma, new species, currently only known from a female holotype; a key to females is included for the celebicum species group.