Sentence examples for destructive insects from inspiring English sources

Under stress, they become vulnerable to diseases and destructive insects.

Tachinids are of great importance in the control of destructive insects, particularly caterpillars and beetle larvae.

Bark beetles, including species of Dendroctonus and Ips, are among the most destructive insects.

It has happened also that destructive insects often undergo a "flareback," or resurgence, after spraying, in numbers greater than before.

Many natural forests, which form similar giant monocultures, always seem to have been subject to periodic outbreaks of destructive insects.

Biological controls cannot replace insecticides entirely, because nature provides for survival of both beneficial and destructive insects.

Killing Norway maples will exterminate a plant pest and may strike a serious blow against a destructive insect pest, too.

After World War I (1914 18), cotton prices collapsed, and the boll weevil (a destructive insect) destroyed up to half the cotton crop in 1922.

Yet despite this record of reasonable control in eastern areas, the Midwestern states have launched an attack worthy of the most deadly enemy upon an only moderately destructive insect.

Brown planthopper (BPH) is the most destructive insect in rice production.

However, BPH has rose up as major destructive insect throughout Japonica varieties grown area.