الأبحاث

ياسر عفيفي السيد عبد الرحمن

أستاذ مساعد

كلية العلوم علم الحشرات

Comparative Evaluation of Five Oil-Resin Plant Extracts against The Mosquito Larvae, Culex pipiens Say (Diptera: Culicidae)

2021

Improving the efficiency of two local baits used for the control of the German cockroach, Blattella germanica (L.),(Dictyoptera: Blattellidae)

2021

Attractiveness of certain popular food products to the German cockroach, Blattella germanica, adults under field conditions

2017

Climatic factors influencing the abundance of Phlebotomus papatasi (Scolpi) (Diptera –Psychodidae) in the Nile Delta)

2009

Toxicological and biochemical studies of Methylamine Avermactine, a new type of bioinsecticide against the cotton leafworm

2009

البحث الكامل الملخص

Toxicity and biochemical efficacy of six Essential oils against tribolium confusum (du val ) (coleoptera: tenebrionidae)

2009

Toxicological evaluation and biochemical impacts for radiant as a new generation of spinosyn on Spodoptera littoralis ( Boisd.) larvae.

2008

البحث الكامل الملخص

Effect of Bacillus thuringansis var kurstaki on some biochemical parameters of the cotton leaf worm Spodoptera littoralis (Biosd)

2008

Effect of Bacillus thuringansis var kurstaki at Lc30 on haemolymph volume and density, total and differential haemocyte counts of larval haemolymph of Spodoptera littoralis (Biosd)

2008

Toxicological and biological studies on the effect of Bacillus thuringansis var kurstaki on the cotton leafworm Spodoptera littoralis (Biosd)

2008

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Bacillus thuringiensis var

Biosd

cotton leafworm

larval haemolymph

relative flea density

Spodoptera littoralis

thuringiensis var kurstaki