Cryptic diversity and recent diversification in the Pyrrhulina australis species complex (Characiformes, Lebiasinidae) revealed by mitochondrial DNA [PDF]
Journal of Fish Biology, Volume 109, Issue 3, Page 1771-1785, September 2026.Abstract Pyrrhulina australis Eigenmann & Kennedy, 1903, is widely distributed across the main hydrographic basins of South America. The taxonomic integrity of this species is nevertheless challenged by the lack of clear diagnostic characters, its marked geographic variation and the morphological overlap with its congeners. In this context, the present
Taina Barbosa De Souza +6 more
wiley +2 more sources
A new, conspicuously pigmented Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the Río Tigre, Loreto, Peru [PDF]
Journal of Fish Biology, Volume 109, Issue 1, Page 102-110, July 2026.Abstract A new species of Pyrrhulina is described based on morphological and molecular evidence. Pyrrhulina punctata is distinguished from all congeners by the presence of a series of 7 to 16 irregular blotches of dark pigmentation on the flanks, equally marked in juveniles and adult specimens, the presence of 26–28 lateral‐line scales, 17–21 maxillary
Andre Netto‐Ferreira +4 more
wiley +2 more sources
Two new species of the Drawida japonica species complex (Oligochaeta, Moniligastridae) from East Asia delimited by integrative taxonomic methods [PDF]
ZooKeysThe Drawida japonica (Michaelsen, 1892) species complex is a cosmopolitan earthworm group that is widely distributed throughout Asia, and has a high degree of diversity.
Min Liu +5 more
doaj +4 more sources
Species delimitation of Apharyngostrigea Ciurea, 1927 (Digenea: Diplostomoidea) based on morphology and molecular data from the Neotropical region of Mexico [PDF]
ParasitologyThe genus Apharyngostrigea comprises a group of diplostomoidean digeneans that parasitize birds of the family Ardeidae (herons), with approximately 20 species described worldwide.
Alejandra López-Jiménez +2 more
doaj +2 more sources
Mitochondrial COI and 16S rDNA barcoding improve species delimitation of ixodid ticks in Peninsular Malaysia [PDF]
Parasites & VectorsBackground Hard ticks (Acari: Ixodidae) are major vectors of zoonotic pathogens affecting humans and animals. Accurate species identification is essential for surveillance and disease risk assessment but is often hindered by morphological similarity and ...
Nurul Aini Husin +9 more
doaj +2 more sources
Three new species of Eucorydia Hebard, 1929 (Blattodea, Corydioidea, Corydiidae) from China, with notes on female genitalia [PDF]
ZooKeysThree new species of Eucorydia from China are described using an integrative taxonomic approach combining morphology and COI sequences, with ASAP and GMYC methods: Eucorydia parva Cai & Che, sp. nov., Eucorydia qinlingensis Cai & Che, sp.
Ting-Ting Cai +3 more
doaj +4 more sources
Uncertainties and risks in delimiting species of Cambeva (Siluriformes: Trichomycteridae) with single-locus methods and geographically restricted data [PDF]
Neotropical Ichthyology, 2022 Cambeva contains species with complex taxonomy or poorly delimitated in terms of morphology and geopraphic distribution. We conducted an extensive review of Cambeva populations from coastal drainages of Southern to Southeastern Brazil to evaluate species
Laura M. Donin +2 more
doaj +1 more source
Вавиловский журнал генетики и селекции, 2022 In this article, the system of the green microalgal genus Micractinium, based on morphological, physiological, ecological and molecular data, is considered.
E. S. Krivina +2 more
doaj +1 more source
A multilocus assessment reveals two new synonymies for East Asian Cyclommatus stag beetles (Coleoptera, Lucanidae) [PDF]
ZooKeys, 2021 Cyclommatus scutellaris Möllenkamp, 1912, Cyclommatus elsae Kriesche, 1921 and Cyclommatus tamdaoensis Fujita, 2010 are East Asian stag beetle species with long-debated taxonomic relationships due to high intraspecific morphological variability.
Jiao Jiao Yuan, Dan Chen, Xia Wan
doaj +3 more sources
Data in Brief, 2022 Riverine metabarcoding data were obtained from the Takamigawa River, a tributary of the Kinokawa River, in Nara Prefecture (Central Honshu, Japan).
Kei Wakimura +4 more
doaj +1 more source