secondary host

Any infected secondary host generally only lives two to three days.

The type of fish that serves as secondary host varies based on location.

In other words, the requirements can be met only when the secondary host is a direct descendant of the first.

An alternative method would be to limit secondary hosts, such as grasses and weeds.

Therefore, the primary host is at the same time the secondary host of the parasite.

This acts as a secondary host and the eggs hatch, developing into rediae.

Secondary hosts are usually only used if there is a severe lack of available primary hosts.

Several generations are raised on these secondary hosts, however no galls are formed.

Nevertheless, some alternate secondary hosts have been observed for soybean aphids.

The telial stage of heteroecious parasitic fungi is spent on the secondary host plant.

On the secondary hosts, the fungus produces yellowish depressions on the leaves.

The female requires one blood meal for each egg batch with the primary host species being mammals, and birds as a secondary host.

In many years, the plantain dries up causing the checkerspot larvae to seek a secondary host plant.

These migrate to their secondary host plants, completely different species that are typically herbaceous plants with soft, young growth.

A few genera have life-cycles involving a secondary host, which may be a vertebrate, invertebrate or plant.

However, both direct viral cytotoxicity and secondary host immune responses may lead to the eventual pathogenesis.

Gynoparae (heteroecious only and produced on secondary host in response to longer nights and falling temperature).

These winged soybean aphids begin the spring migration to their secondary host, soybean.

The minute hydrobia is a secondary host of a parasitic fluke, Homalometron pallidum.

The disease is caused by direct viral invasion of epithelium and endothelium and secondary host immune response.

The genes in the phagocytosed eukaryote's nucleus are transferred to the secondary host's nucleus.

Additionally, exogenous bacteria can enter a secondary host through an intermediate host such as insects and parasites.

Males (produced on secondary host in heteroecious, in autoecious, normal host).

In California, blackberry bushes are kept in some vineyards to provide a secondary host for a parasite, enabling it to survive the winter.