… 902 amphibian host communities, we show that the community-level drivers of infection
depend critically on biological scale. At the individual host scale, increases in host richness led …

… mechanisms that cause spatial density dependence both at the … of scale and host spatial
pattern on spatial density depend… Biological control of scale insects and ecological theory. - Am…

… Plant growth was negatively correlated with scale densities, and at high scale densities …
host plants are particularly susceptible to scale attack, we would expect host influences on scale …

… more in patches containing more hosts when the scale density was low, we examined …
rate against scale density on any sampling date were a decreasing function of scale density per …

… temporally density-dependent on scale population density at … to scale density at the single-tree
level, and spatial density-… biological control theory, this study demonstrates that density …

… host population density and parasite abundance is therefore expected: as host density …
when parasites and host dynamics occur on similar time-scales, and when parasites aíect …

… as the value of B calculated with host density measured on a linear scale, we require that for
… Biological control of olive scale and its relevance to ecological theory. American Naturalist, …

… ) while the oleander scale has been recorded from hundreds of host species in more than …
hand, many armored scales have either limited oligophagous or mono phagous host ranges. …

… some of the biological attributes of insect host-parasite systems… cover a wide range of spatial
scales from egg masses, the … of density dependence at any given scale (Table 2). However, …

… of the host Aphidius ervi Haliday (Hymenoptera, Aphidiidae), a primary parasitoid of the pea
aphid, Acyrthosiphon pisum (Harris)(Homoptera: Aphididae) at three spatial scales. 2. In the …