0 (of animals and insects that carry disease) to cause a problem by being present in large numbers -- （动物、害虫等）大批出没于，骚扰
The number of visits is given according to the abundance of trees, infested trees and mistletoes.
The stems were prepared as described above, and infested with prey as for the mixed prey density treatment (iv) previously described.
The cane-cutters preferred the twelve-month cane; the 24-month cane was reported to be harder to cut, had lodged and was infested with weeds.
Most species do not infest fruits and are economically harmless.
However, it is still unknown if the fly infests mangoes grown at such elevations.
The family lived in conditions of extreme social disadvantage, including currently having a council house infested with rats.
Five infested and three uninfested control plants were available to estimate biomass loss at maturity for each accession.
Quantitative differences were apparent for tridecane which was released in larger amounts from infested seeds.
