Affiliation:
1. Institute of Pesticides and Environmental Protection, Belgrade - Zemun, Serbia
2. University of Belgrade, Faculty of Agriculture, Belgrade - Zemun, Serbia
Abstract
Alfalfa (Medicago sativa) is the most important forage legume and one of the
most widely grown crops in Serbia. Aphids (Hemiptera: Aphididae) are one of
the most significant groups of pests of that crop. Three aphid species,
Acyrthosiphon pisum, Aphis craccivora and Therioaphis trifolii, are
considered as important pests of alfalfa in Serbia. The most abundant of
them, T. trifolii, is more adapted to warmer temperatures and it is the
predominant aphid species during summer months, while A. pisum is prevalent
during the spring period. In warmer climates, an increasing abundance of T.
trifolii and decreasing populations of A. pisum have been observed in
alfalfa in Serbia. On the other hand, A. craccivora is a minor pest of
alfalfa, which rarely occurs in high numbers. The present paper synthesizes
the existing knowledge about these three aphid pests of alfalfa, including
their morphology, biology, seasonal dynamics, pest status and effects of
temperature on their development.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
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