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Cyrtinus pygmaeus (Haldeman, 1847) (Coleoptera: Cerambycidae: Lamiinae) is redescribed and newly recorded from Mexico. The female of Decarthria stephensii Hope, 1834 is also redescribed, the number of specimens in the type series is corrected, as is the depository of the types, and the species is newly recorded from Dominica. Two new species of Cyrtinus LeConte, 1852 are described from Mexico: C. fisheri Wappes, Santos-Silva and Nascimento; and C. howdeni Wappes, Santos-Silva and Nascimento. A key to species of Decarthria Hope, 1834 (adapted from an earlier key to Cyrtinini) is provided.
Mapping biodiversity is the marathon of the 21st Century as an answer to the present extinction crisis. A century in which science is also characterised by large scientific datasets collected through new technologies aiming to fill gaps in our knowledge of species distributions. However, most species records rely on observations that are not linked to specimens, which does not allow verification of species hypotheses by other scientists. Natural history museums form a verifiable source of biodiversity records which were made by taxonomists. Nonetheless, these museums seem to be forgotten by biologists in scientific fields other than taxonomy or systematics. Naturalis Biodiversity Center (NBC) in Leiden is care keeper of large collections of marine organisms, which were sampled in the Northeast Atlantic during the CANCAP and Tyro Mauritania II expeditions (1976–1988). Many octocorals were sampled and deposited in the NBC collection, where they became available for study and were partially identified by the senior author (M.G.) in the 1980s. Nonetheless, no checklist or taxonomic revision was published so far with the complete results. In 2016 the first author visited NBC to examine NE Atlantic Plexauridae octocorals. Plexauridae octocoral-vouchered records were listed and mapped to reveal high standard primary biodiversity records unreported so far for the NE Atlantic Ocean. Twenty-four Plexauridae species with ~ six putative new species to science were discovered and eleven new biogeographical records were made from distinct Macaronesian archipelagos. Finally, new depth range records were found for three species at sea basin level and for eight species at a regional scale.
The chenopodium aphid, Hayhurstia atriplicis (Linnaeus, 1761) (Hemiptera: Aphididae), is reported for the first time in Colombia. The aphid was found on the aerial parts of the quinoa plant, Chenopodium quinoa Willd. (Amaranthaceae), especially on the leaves, in five municipalities in the department of Cauca, Colombia. Brief information on its natural enemies, distribution and biology is provided. This is the only aphid in Colombia known to cause malformations on the leaves of quinoa plants. In South America, this aphid has been found previously only in Ecuador, where it was reported for the first time in 2023 based on specimens collected from 2019 to 2021. However, we report that H. atriplicis was likely introduced to Ecuador in the 2000s or earlier, based on a collection dated 2006 found in the United States National Museum of Natural History.
ZooBank registration. urn:lsid:zoobank.org:pub:F43613E0-2854-44DE-9654-74138909717D
Information about the range of distribution of Centris (Centris) testacea Lepeletier has not been historically accurate. Range of distribution and identifi cation of the species is clarifi ed. Images of both sexes as well as male terminalia are presented. Centris testacea is a good species, with no synonym names. According to the available information, C. testacea should be considered endemic to the Greater Antillean island of Hispaniola.