Occurrence and efficacy of natural compounds of the pomegranate whitefly, Siphoninus phillyreae (Hemiptera : Aleyrodidae)‎ and its parasitoid, Eretmocerus parasiphonini (Hymenoptera : Aphelinidae)‎ in Egypt

Abstract EN

The pomegranate whitefly, Siphoninus phillyreae (Haliday) (Hemiptera: Aleyrodidae) is a dangerous pest of pomegranate in different locations in Egypt.

The aim of this research was to evaluate the effect of botanical extracts on S.

phillyreae and its parasitoid, Eretmocerus parasiphonini Evans and Abd-Rabou (Hymenoptera: Aphelinidae) on pomegranate (Punica granatum L.) as well as the distribution of this pest in Egypt.

During the present work, S.

phillyreae was recorded distributed and occurred in four governorates.

These are Assuit, Daqahylia, Giza, Kafr El-Shikh and Qalyubiya.

The results also indicated that, in the first season, the average reduction of the three compounds (Jojoba oil, Peacilomyces fumosoroseus and Sulfur) gave moderate toxic effect against S.

phillyreae, percent reduction ranged between (39-45%) and while its parasitoid, E.

parasiphonini, percent reduction ranged between (7281%).

Azadirachtin compound gave 56% and 72% for S.

phillyreae and its parasitoid, E.

parasiphonini mortality, respectively.

On the other hand, malathion gave high efficacy against S.

phillyreae (75%) and E.

parasiphonini (93 %).

In the second season, the average reduction of the three compounds (Jojoba oil, Peacilomyces fumosoroseus and Sulfur) gave moderate toxic effect against S.

phillyreae, percent reduction ranged between (41-53%) and while its parasitiod E.

parasiphonini, percent reduction ranged between (72-76%).

Azadirachtin compound gave 63% and 63% for S.

phillyreae and its parasitoid, E.

parasiphonini mortality, respectively.

On the other hand, malathion gave high efficacy against S.

phillyreae (85%) and E.

parasiphonini (95 %).