Insecta Mundi
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1021
The Neotropical eucnemid genus, Dyscolotaxia Horn, is revised following the examination of specimens from five collections, examination of the published original description of Plesiofornax tetratoma Chassain, and from images provided by Fernanda Salazar-Buenaño (QCAZI). Dyscolotaxia championi Horn is redescribed with included descriptions of the male genitalia and a female specimen. Three new species of false click beetles (Coleoptera: Eucnemidae) are described from the Neotropical region. These new species are: Dyscolotaxia chiriquiensis (Panama), Dyscolotaxia hispaniolensis (Dominican Republic) and Dyscolotaxia picea (Ecuador). Amazotaxia new genus is described from South America for Plesiofornax tetratoma Chassain, creating Amazotaxia tetratoma (Chassain) new combination. Morphology of both Dyscolotaxia and Amazotaxia in relation to Pleisofornax Cocquerel are reviewed along with biogeographical hypotheses for these groups. An identification key is provided for species of Dyscolotaxia in the Neotropical region. Images for all species of Dyscolotaxia and Amazotaxia are provided.
1024
Trichodesma nancyae, new species (Coleoptera: Ptinidae), is described from Mexico. The species is illustrated and diagnosed, bringing the total number of extant species in the genus to 73. Lectotypes for Trichodesma beyeri Fall, Trichodesma scripta Champion, and Trichodesma texana Schaeffer are here designated. Habitus and label photographs are provided for types of 12 of the 13 species occurring in Mexico.
ZooBank registration. urn:lsid:zoobank.org:pub:F608D6CF-885B-49EA-9E8C-F0A12AE39424
1025
Plagiosarus transversus Vlasak and Santos-Silva, new species (Cerambycidae: Lamiinae: Acanthoderini), is described from Costa Rica. The rank of Plagiosarus melampus congestus Bates, 1885 is discussed.
ZooBank registration. urn:lsid:zoobank.org:pub:71496BE9-C69F-43B4-AF33-E3376DA6E083
1028
Two new species and one new genus of Lamiinae (Coleoptera: Cerambycidae) are described in Acanthocinini: Embera flava new species, new genus, from Panama; and Nealcidion lingafelteri new species from Costa Rica. The species-group name of Nealcidion napoensis Nascimento and McClarin, 2018 is corrected and morphological variations in Leptostylus cristulatus Bates, 1872 are reported. Trypanidius mimicavus Carelli, Monné, and Souza, 2013 is redescribed and transferred to Carphina Bates, 1872, forming the new combination Carphina mimicavus. Colombicallia curta Galileo and Martins, 1992 (Calliini) is recorded from Panama for the first time.
ZooBank registration. urn:lsid:zoobank.org:pub:7DD2EF0F-7DC9-4A85-83DA-10F4EE8CA8CB
1043
The beetle genus Pharaxonotha Reitter (Coleoptera: Erotylidae: Pharaxonothinae) is found in the cones of cycad genera in the New World, including species of Ceratozamia Brongn., Dioon Lindl., Microcycas (Miq.) A.DC and Zamia L. Its presence and diversity are analyzed for the 17 species of Zamia known to occur in Panama. Nine species are recognized, and five new species are described: Pharaxonotha clarkorum Pakaluk, P. confusa Pakaluk, P. fortunensis Tang, Skelley and Taylor new species, P. holzmani Tang, Skelley and Taylor new species, P. kirschii Reitter, P. manicatae Tang, Skelley and Taylor new species, P. panamensis Tang, Skelley and Taylor new species, P. pseudoparasitica Tang, Skelley and Taylor new species, and P. taylori Skelley and Tang. A key to species of Pharaxonotha in Panama is presented.
ZooBank registration. urn:lsid:zoobank.org:pub:C054B0D4-FD00-4AE7-BBA7-C75A12368561
1061
The genera Lophalia Casey, 1912, Mannophorus LeConte, 1854 and Ischnocnemis Thomas, 1864 (Coleoptera: Cerambycidae: Cerambycinae: Trachyderini) are recharacterized by providing additional morphological features to enhance the delineation of these genera. Two species Lophalia cribricollis Bates, 1892 and Ischnocnemis luteicollis (Bates, 1885) are transferred to a new genus Lophaliamorpha Eya with Lophaliamorpha luteicollis (Bates) new combination as the type species. Ischnocnemis skillmani Chemsak and Hovore, 2010 is transferred to a new genus Paramannophorus Eya with Paramannophorus skillmani (Chemsak and Hovore) new combination as the type species. A new genus Microteroschema is created to accommodate two additional species from Mexico: Microteroschema parvum Eya new species (Oaxaca and Chiapas) and Microteroschema pseudolaetum Eya new species (Chiapas) with M. parvum as the type species. Additional new species from Mexico include: Lophalia nigricollis Eya new species (Morelos and Michoacán), Mannophorus tricostatus Eya new species (Chiapas), Ischnocnemis edmundi Eya new species (Chiapas), and Ischnocnemis brevis Eya new species (Michoacán and Guerrero). Other new combinations include: three species previously included in Neotaranomis Chemsak and Linsley, 1982 (N. australis, Chemsak and Linsley, 1982, N. sinaloae Chemsak and Linsley, 1982 and N. atropurpurea Chemsak and Noguera, 2001) are transferred to Cyphosterna Chevrolat, 1862; Lophalia auricomis Chemsak and Linsley, 1979 is transferred to Zalophia Casey, 1912; and two species, Chemsakiella virgulata (Chemsak, 1987) and Ischnocnemis minor Bates, 1880 are transferred to Mannophorus LeConte, 1854. Furthermore, Ischnocnemis virescens Eya, 2010 is also transferred to Mannophorus as a new combination and new subspecies of Mannophorus virgulata (Chemsak). New synonymies include two species previously in Ischnocnemis, i.e., I. cribellatus (Bates, 1892), and I. cyaneus Bates, 1892 synonymized with Mannophorus laetus LeConte, 1854 and I. caerulescens Bates, 1885, respectively. A key to Sphaenothecus-like trachyderines, which includes all the above-mentioned genera, and keys to species of Lophalia, Lophaliamorpha, Mannophorus, Ischnocnemis, Microteroschema, and Cyphosterna are provided. Illustrations of the available species in color are included.
ZooBank registration. zoobank: urn:lsid:zoobank.org:pub:5671A77B-2ECB-445F-8F61-246A9E442CDE