Journal Algérien des Régions Arides
Volume 19, Numéro 1, Pages 58-70
2026-01-27
Contribution To Improving The Breeding Of Coccinella Algerica: Food Substitution Test With The Eggs Of The Date Moth Ectomyelois Ceratoniae
Authors : Rahmouni Malika . Djoudi Ahmed Madjed .
Abstract
The mass rearing of Coccinella algerica, a native predator of agronomic interest, is a major challenge for the development of biological control programs in Algeria. The success of this breeding program depends heavily on the availability of a stable, nutritious, and economically viable food source. This study evaluates the suitability of the eggs of Ectomyelois ceratoniae, a dominant pest of date palm systems, as a substitute prey for feeding C. algerica. Detailed monitoring of biological parameters—development time, survival rate, growth, fertility, and longevity—was carried out to assess the nutritional effectiveness of this resource. The results obtained are compared with those obtained from natural prey. The aim of the results is to establish an optimized and reproducible breeding protocol, contributing to the promotion of native beneficial organisms and the im-plementation of sustainable integrated pest management strategies.
Keywords
Coccinella algerica ; Ectomyelois ceratoniae ; mass rearing ; food substitution
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