Search results

...n scale population had already declined. This great success led to further introductions of beneficial insects into the US.<ref name="Coulson J. R. 2000">Coulson, J ...1884 and 1908, the first Dominion Entomologist, James Fletcher, continued introductions of other parasitoids and pathogens for the control of pests in Canada.<ref> ...

[[Category:17th-century introductions]] ...