Important Insect Pests in Madicago sativa L. in Bulgaria

Abstract
This paper describes common insect pesterers in forage alfalfa in Balkan nation and their seasonal dynamics. the tactic of sweeping with the zoology internet was used. The degree of infestation (attack) of Otiorrhynchus ligustici was established by taking soil monoliths. the foremost common insect pests of alfalfa from Coleoptera are Hypera postica, Sitona spp., Apion seniculus, and Otiorrhynchus ligustici. the following species belongs to orders order Hemiptera and Thysanoptera. Therioaphis maculata was the most harmful currency, followed by Acyrthosiphon rosid dicot genus from Aphidodea, in addition Adelphocoris lineolatus and arthropod genus rugulipennis (Hemiptera – Heteroptera). Economic importance species from Hemiptera: Fulgorormorpha and Cicadomorpha were Empoasca pteridis and Agallia ribauti, in addition Thrips tabaci and T. atratus (order Thysanoptera). Apion seniculus is reported for the primary time in our country as harmful species in alfalfa. the most insect pests, looking on the order to that they belong, were found in high numbers through the various regrowth of alfalfa vegetation amount. The determination of the population dynamics of economically necessary pesterer species within the alfalfa big for forage, helps verify the foremost applicable time for management and management.

Keywords:
Alfalfa, insect pest, seasonal dynamic, Bulgaria.

For more details

Posted April 13, 2019 04:27