it a bit," notes Koen. With the growing availability of knowledge and the number of biological crop protection products, he also sees opportunities for
feed on the digested tissues of the dead insect and reproduce in large numbers. The pest insect stops feeding soon after being infested, and dies within
species from the Melolonthinae subfamily. Although this subfamily contains a number of species which cause damage to crops, the most representative genus is
July on, when the second and third generations develop. Trees with a low number of attacked leaves are not greatly affected, but when the entire surface
little direct damage to plants, they are often a problem due to their large number. Larvae of flies of the family Keroplatidae (mainly Lyprauta sp.) can cause
the hives evenly throughout the plot for maximum results. The recommended number of hives is dependent on the crop and the presence of other pollinating
pupae, nematodes and other soil living pests, which can be found in high numbers in greenhouses in soil which has been enriched with compost. As natural
sometimes found in cucumber crops. In many ornamental crops, even very low numbers of thrips can cause damage by transmitting viruses, or by reducing aesthetic
not only results in quality fruit with longer shelf life, but also in the number of productive weeks and, therefore, in the profitability of the business
where aphids are prevalent, Aphidius ervi can significantly suppress their numbers, making it a valuable agent for integrated pest management . Adult wasps