January 2020

Persistent of low-level diapause and generation effect in Microplitis rufiventris wasps under mass rearing conditions

The solitary endoparasitoid, Microplitis rufiventris is considered one of the principal wasps on the cotton leaf moth, Spodoptera littoralis larvae. It has a strange sort of obligate diapause. The data present an evidence of persistent low-level diapause throughout the year and every year that observed under mass rearing conditions. When continuous rearing was done throughout the year at 25°C and 12/12 h L/D, a...

Author(s): Wedad Khafagi, Esmat Hegazi and Sania Showil  

January 2020

Infestation rate of Mangifera indica fruit fly in Sudanese zone of Mali

Mali has a potential for mango production across the country. However, this plant is facing phytosanitary problems mainly related to fruit flies. The study was conducted to evaluate the infestation rate of fruit flies on mango varieties in Sudanese zone of Mali (Kati). Stung mangoes were weekly collected from three sites. Fruits were weighted and placed inside plastic bags containing sand to the monitor larva...

Author(s): Rahinatou, Rosalie. Assogba, Bassirou Dembélé, Youssouf Faya Keita, Bernard Sodio and Amadou Coulibaly

January 2020

Effect of integrating entomopathogenic fungi and botanical extracts against Russian wheat aphid, Diuraphis noxia Mordvilko (Hemiptera: Aphididae) in West Showa, Ethiopia

Ethiopia is the only country in Sub-Saharan Africa where smallholder wheat production meets more than 70% of the national consumption demand. Russian wheat aphid (RWA; Diuraphis noxia (Mordvilko) (Hemiptera: Aphididae) is one of the major insect pests of wheat throughout the world including in Ethiopia. Wheat yield loss due to RWA damage in Ethiopia was estimated to be 70%.  Therefore, the present study was carried...

Author(s): Nahil Abebe, Mulugeta Negeri, Emana Getu and Thangavel Selvaraj  

January 2020

Management of Plodia interpunctella (hübner) [Lepidoptera: pyralidae] using ethanolic oil extract of Plumbago zeylanica (LINN.)

This study investigated the insecticidal effects of ethanolic oil extract of Plumbago zeylanica against Plodia interpunctella infestation in stored maize grains. Oils from the plant were administered at 5, 10, 15, 20 and 25% concentrations to maize grains inside plastic containers. The treated samples were air-dried for 3 h. The three developmental stages of the moth (egg, larval and adult) were separately introduced...

Author(s): Adeyera, O. J. and Akinneye, J. O.