Jatropha curcas L. (Euphorbiaceae) is a plant species widely present in tropical and subtropical regions that have been studied mainly for its potential biofuel production; it also known toxic substances. To explore use as an insecticide, we the effect of seed extract from green fruit oils mature dried J. on aphid Myzus persicae (Hemiptera: Aphididae). Seven concentrations extracts different ma...

This study was carried out in order to determine the insect pest species found at orchards of Adıyaman and Siirt provinces. The studies were Şirvan district Adıyaman’s Central, Kahta Samsat districts, where pomegranate production is intensively through years 2017 2018. Samplings least two weeks interval between April October. Visual control, knock rearing methods used obtain species. According ...

Investigations on the species composition and host range of aphids on ornamental greenhouse plants in Bulgaria was conducted over a period of five years, from 2008 to 2012. Twenty greenhouses, growing ornamentals for landscaping, plant collections and other purposes were observed. They were located in the regions of Sofia, Plovdiv, Smolyan, Pavlikeni, Varna and Burgas. The total number of colle...

Experiments were conducted to identify and characterize host plant resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in various wheat and wheat-grass hybrids. Initial tests screened for resistance to R. padi among 12 grass accessions (eight wheat [Triticum aestivum L.], three triticale [XTriticosecale Wittmack], and 1XElytricum [Elytrigia elongata [Host] Nevski x Triticum aestivum h...

A new species of the genus Megoura, M. lathyricola sp. n., was collected from Lathyrus japonicus subsp. japonicus (Leguminosae) in seashore areas of northern and southern Japan. This species is described and illustrated, and a revised key to the identification of the world species of Megoura is presented.

pauesia antennata mukerji (hymenoptera, braconidae) as the unique parasitoid of the giant brown peach aphid, pterochloroides persiace cholodkovsky (hemiptera, aphididae) is considered to be the most effective biological control agent of this pest. in this study, the assessment of selected biological parameters of p. antennata demonstrated that the longevity of mature parasitoid was 3.90 ± 0.22,...