Articles

NOTES ON NATURAL ENEMIES OF ARMYWORMS INFESTING TOMATO PROTECTED CROPS IN SOUTH-EASTERN SICILY

Article number
614_123
Pages
837 – 841
Language
English
Abstract
Spodoptera littoralis (Boisduval) and Chrysodeixis chalcites (Esper) cause serious economic damages on tomato protected crops in South-Eastern Sicily (Italy), due to their peculiar habits and the difficulty of controlling their populations.
The role of biocontrol agents of armyworms is mainly carried out by generalist predators and parasitoids, especially during spring-summer.
Protection and maintenance of existing natural enemies population in IPM context represent an efficacious strategy to reduce pest incidence.
Data on the abundance and behaviour of native antagonists is a first step to reach successful results in IPM strategies.
In such a context during field monitoring, five hymenopterous parasitoids have been found in the investigated area, three collected on S. littoralis and two on C. chalcites. Among these, Campoletis annulata Gravenhorst, Hyposoter didymator Thunberg and Copidosoma truncatellum (Dalman), are already known for Sicilian fauna, whereas Meloboris collector Thunberg and Cotesia rufricrus (Haliday) are new records.

Publication
Authors
G. Tropea Garzia, G. Siscaro
Keywords
noctuid pests, hymenopterous parasitoids, Lycopersicon lycopersicum, greenhouse, Sicily
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