bionomics of aphis gossypii glover and its predators coccinella septempunctata l. and hippodamia variegata goeze were studied in varamin (tehran province) during 11th may to 5th october 2006 on eggplant crop, with the interaction (density dependence) between the aphid and either of the predators determined. the reliable sample size (number of leaves) with a maximum variation of 6.73% was about ...

The investigation was conducted to study the seasonal incidence of cabbage head borer, Hellula undalis Fabricius at Regional Horticultural Research Station Farm, ASPEE College Horticulture and Forestry, Navsari Agricultural University, Navsari, Gujarat, India during 2021-22. H. on commenced from 48th Standard Meteorological Week (SMW) with its peak in second SMW then decreased gradually until 1...

Deltamethrin and imidacloprid are commonly used insecticides for controlling sub-sucking insects in greenhouses. However, their application may cause sublethal effects on the aphid coccinellid predator Coccinella septempunctata (Coleoptera: Coccinellidae). Here, we study (i) toxicity effect of two doses (LD10 LD30) deltamethrin C. a laboratory microcosm (ii) residual greenhouse. The results sho...

During the field research conducted in 2018-2020, species composition of coccinellidae selected area was determined. We had a comparative analysis accounting for quantitative and taxonomic over years study. studied biology ecology each species, including trophic relationships species. The main food groups been identified depending on objects, biotope distribution, their ecological identified.Th...

in a faunistic survey of aphids and their aphidophagous predators in cereal fields of mashhad and vicinity, during 2006-2008, several coccinellid species were collected and determined. among them, coccinella magnopunctata rybakow is being reported for the first time from iran.