The species concept is the cornerstone of biodiversity science, and any paradigm shift in the
delimitation of species affects many research fields. Many biologists now are embracing a …

There are approximately 55,000 described Acari species, accounting for almost half of all
known Arachnida species, but total estimated Acari diversity is reckoned to be far greater …

Abstract 'Cryptic'species are an emerging biological problem that is broadly discussed in the
present study. Recently, a cryptic species definition was suggested for those species which …

Discovery of cryptic species using molecular tools has become common in many animal
groups but it is rarely accompanied by morphological revision, creating ongoing problems in …

The species of the Astyanax bimaculatus' caudal peduncle spot'subgroup of the drainages
of the rios La Plata and São Francisco, as well as southeastern coastal systems of Brazil and …

DNA sequence information has revealed many morphologically cryptic species worldwide.
For animals, DNA‐based assessments of species diversity usually rely on the mitochondrial …

Background Genetically divergent cryptic species are frequently detected by molecular
methods. These discoveries are often a byproduct of molecular barcoding studies in which …

Rare and cryptic fish species such as the cusk‐eel Ophidion rochei (Műller,
1845)(Ophidiiformes), an endemic sand‐dwelling Mediterranean fish, are likely to go …

Fungi in the order Laboulbeniales (Ascomycota, Laboulbeniomycetes) are obligate,
microscopic ectoparasites of arthropods. These fungi, unlike their close relatives, never form …

Longidorid nematodes comprise more than 500 species, and Longidorus and Xiphinema
are the most diversified, prevalent, and cosmopolitan genera within plant‐parasitic …