بسيلا أوكاليبتوس الصمغ الأحمر ذات القلنسوة (Glycaspis brimblecombei Moore, 1964)‎ و أعدائها الطبيعية في محافظة اللاذقية، سورية

Abstract EN

In this study, a parasitoid and predators of Eucalyptus red gum lerp psyllid, which attack red eucalyptus (Eucalyptus camaldulensis) in Syria, were identified.

The parasitoid was identified as Psyllaephagus bliteus Riek (Hymenoptera: Encyrtidae), and the predators were Harmonia axyridis and Chilocorus bipustulatus (Coleoptera: Coccinellidae) and Anthocoris nemoralis (Hemiptera: Anthocoridae), and Chrysoperla carnea (Neuroptera: Chrysopidae).

Severity attack of eucalyptus trees with psyllid insects was assessed during a field survey of eucalyptus trees in Lattakia province during June 2015.

In addition, natural enemies associated with the psyllid were also identified in three locations: Snobar Jableh, Bustan Al-Basha, and Alruyemih, based on weekly visits during the period July-October, 2015.

Results obtained indicated that attack severity of eucalyptus trees varied according to the surveyed location in each region.

Attack severity was high in 50% of the surveyed locations.

In Al-Qurdaha district, severity of attack reached 30%, whereas in Jableh district it reached 12.5%.

The number of eggs during the month of July in Alruyemih site reached 13.08 egg/leaf, and the numbers of live nymphs reached 3.10 nymph/leaf.

The number of adult females in Snobar Jableh reached 0.80 adult/leaf.

Moreover, the highest number of live mummies was in Snobar Jableh site and reached in September 2.16 mummies/leaf.

In addition, the highest number of empty mummies was in Snobar Jableh in September and reached 1.08 mummies/leaf.

This is the first report of a parasitoid and predators of Eucalyptus red gum lerp psyllid, which attack red eucalyptus (Eucalyptus camaldulensis) in Syria.