Abstract
ABSTRACT Pomegranate trees are susceptible to many pests. Marketing quality of pomegranate fruits is mainly affected by the pomegranate butterfly Virachola livia. This study aimed to determine some bio-ecological parameters of Virachola livia (Klug) and the evaluation of their damages on pomegranate (Punica granatum) in the region of Djanet (Southeastern of Algeria). The percentage of infestation was 78.7% according to the penetration holes. However, depending on the number of eggs, it was 69.3%. The number of penetration holes and eggs by fruit varied between 1 and 24 (7.8 ± 5.7) holes/fruit and 1 to 15 (4.2 ± 3) eggs/fruit, respectively. The pupae stages last from 5 to 8 days (6.9 ± 1.2 days). The females can live between 8 and 16 days (10.9 ± 2.5 days), whereas the longevity of males varied between 4 and 11 days (8.8 ± 2.9 days).
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