Castration is a response to the tradeoff between consumption and longevity faced by
parasites. Common parasitic castrators include larval trematodes in snails, and isopod and …

Despite the ubiquitous nature of parasitism, how parasitism alters the outcome of host–
species interactions such as competition, mutualism and predation remains unknown. Using …

Nematomorph parasites manipulate crickets to enter streams where the parasites
reproduce. These manipulated crickets become a substantial food subsidy for stream fishes …

Complex societies where individuals exhibit division of labor with physical polymorphism,
behavioral specialization, and caste formation have evolved several times throughout the …

Readers familiar with the first three editions of Ecology and Classification of North American
Freshwater Invertebrates (edited by JH Thorp and AP Covich) will welcome the …

Most demonstrated trophic cascades originate with predators, but infectious agents can also
cause top-down indirect effects in ecosystems. Here we synthesize the literature on trophic …

This chapter is an introduction to the Phylum Mollusca and a review of freshwater gastropod
systematics, evolution, regional distribution and diversity, reproduction and life history …

Parasitic infections are common, but how they shape ecosystem-level processes is
understudied. Using a mathematical model and meta-analysis, we explored the potential for …

Background By definition, parasites harm their hosts. However, some forms of parasite-
induced alterations increase parasite transmission between hosts, such that manipulated …

Infectious agents are part of food webs and ecosystems via the relationship with their host
species that, in turn, interact with both hosts and non-hosts. Through these interactions …