How many parasites are there on Earth? Here, we use helminth parasites to highlight how
little is known about parasite diversity, and how insufficient our current approach will be to …

Functional biogeography, or the study of trait-based distributional patterns, not only
complements our understanding of spatial patterns in biodiversity, but also sheds light on …

Species are shifting their distributions in response to climate change. This geographic
reshuffling may result in novel co-occurrences among species, which could lead to unseen …

Parasitic worms (ie, helminths) commonly infect multiple hosts in succession. With every
transmission step, they risk not infecting the next host and thus dying before reproducing …

We tested for the effects of latitude and geographic range size (GRS) on body size, leg
length, and sexual size dimorphism (SSD) across 103 species of fleas, taking into account …

Helminths are parasites that cause disease at considerable cost to public health and present
a risk for emergence as novel human infections. Although recent research has elucidated …

Identifying the factors that structure host–parasite interactions is fundamental to understand
the drivers of species distributions and to predict novel cross-species transmission events …

Harrison's rule states that parasite body size and the body size of their hosts tend to be
positively correlated. After it was proposed a century ago, a number of studies have …

Myxozoa represent a diverse group of microscopic cnidarian endoparasites alternating
between invertebrate and vertebrate hosts. Of the approximately 2,600 species described …

Aim Interspecific variation among metazoans often follows a latitudinal pattern, with species
at higher latitudes being larger bodied than related species from lower latitudes …