Conservation of natural enemies may be an effective form of pest
management in various ecosystems. If beneficial Hymenoptera, native to
an area, can be protected and encouraged to multiply, the benefits of
natural insect pest control might be realized. Hymenoptera as natural
enemies as well as pollinators have been studied intensively in many
agroecosystems worldwide. However, lowbush blueberry is not an ecosystem
where ecology of Hymenoptera has been well studied. This book discusses
two studies conducted in lowbush blueberry fields in Washington County,
Maine (USA). These studies investigate the population dynamics of native
bees and wasps, and further try to explain what environmental factors
are associated with changes in abundance within and between blueberry
fields. Based on the results of these studies, blueberry growers should
consider integrating efforts to conserve populations of native
Hymenoptera into their management practices. In doing this, growers may
also want to research methods of pesticide use that will minimize lethal
effects on these beneficial bees and wasps.