[Control of acanthoscelides obtectus and moth tineola bisselliella by essential oils extracted from two aromatic plants of Algeria]

The essential oils extracted by hydrodistillation from two aromatic plants from the Algerian West, Cymbopogon schoenanthus [Poaceae] and Artemisia herba-alba [Lamiaceae], were tested with various amounts on the adults of Acanthoscelides obtectus and Tineola bisselliella, at a temperature of 26 [degree sign]C and a relative humidity of 75%. These oils present an insecticidal activity and induce in the females of the two studied insects a very significant reduction of the laying compared with that in the control. The essential oil extracted from Cymbopogon schoenanthus is most toxic with LD[50] = 1,16 micro L/30g of seeds for A. obtectus, and LD[50] = 1,09 micro L for T. bisselliella, Artemisia herba-alba has a little variable toxicity with LD[50] = 1,69 micro L/30g of seeds for A. obtectus and LD[50] = 1, 25 micro L for T. bisselliella. The analysis of the chemical composition shows the richness of two essential oils in compounds known for their insecticidal properties like the alpha-pinene and Camphene, which explains the results obtained

Primary malignant melanoma of prostate

Primary genitourinary melanoma accounts for less than one percent of all cases of melanoma. Most cases attributed to the prostate actually originate from the prostatic urethra. Due to its infrequency, primary malignant melanoma of the genitourinary tract presents a difficult diagnostic and management challenge. We report a case of primary malignant melanoma of the prostate found during transurethral resection of the prostate