Abstract
Incidence of Messa hortulana (Klug) (Hym., Tenthredinidae) in poplar windbreaks in the Netherlands In the southwest of the Netherlands at Philippine (province of Zeeland) in one orchardMessa hortulana had become a pest in recent years, increasingly damaging the poplar windbreak. So the fruitgrower concerned carried out a more and more intensive control campaign in 1969, 1970 and 1971, but without noticeable results, owing to unfamiliarity with the way of life of this insect. In 1972 it became possible to determine the correct moment for a control compaign by means of a study of the insect's life cycle. First of all the flight of the sawfly was ascertained by means of a suctiontrap. Secondly the moment when the eggs had been laid was determined, including the average number of eggs laid on one leaf. When the larvae were found to be emerging, the grower was given advice to spray immediately. The result of this one control, carried out on May 6, 1972, was a total one.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Anzeiger für Schädlingskunde, Pflanzen- und Umweltschutz vereinigt mit Schädlingsbekämpfung
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
