author(s)
Rebwar A Mustafa and Hemin A Neima

abstract
This study was carried out to investigate the effect of three types of plant extracts [Eucalyptus, Eucalyptus camaldulensis (Family: Myrtaceae), Oleander, Nerium oleander (Family: Apocynaceae) and Neem, Azadirachta indica (Family: Meliaceae)], with four concentrations as (0, 5, 10, and 15%) for each and the fungus Metarhizium anisopliae with three different concentrations (1×10³, 1×10⁵ and 1×10⁶ spore /ml of water) against carob moth larvae. Results indicated that both plant extracts and the fungus (Metarhizium anisopliae) regarding the plant species, extract concentrations and exposure duration, have a high toxicity on the 3^rd and 5^th instar larvae of carob moth mortality. The larval mortality percentages increased significantly with Neem extract at (15%) reached (43.33and 56.70%) after 4 days of treatment for 3^rd and 5^th instar larvae respectively. The cumulative mortality percentage for 3^rd and 5^th instar larvae treated with Metarhizium anisopliae at (1×10⁶ spore /ml) reached to (93.33%) after 6 days of treatment