We used multiple regression modeling to investigate the numerical response by the predatory insectsHippodamia convergensGuérin-Méneville,H. parenthesis (Say), and C. septempunctataL. (Coleoptera: Coccinellidae),Chrysoperla plorabunda (Fitch) (Neuroptera: Chrysopidae), and Nabis americoferus Carayon (Hemiptera: Nabidae) to aphids during 5 yr in three geographically separated alfalfa Þelds in eas...

during a two-year (2004-2005) survey of alfalfa aphids and their natural enemies in isfahan, a total of four aphid species and 58 species of their natural enemies comprised of 45 predatory species, 11 parasitoid species and two species of parasitic mites were collected and identified. moreover, five hyperparasitoid species were collected. on each sampling date, six 20-sweep samples were taken u...

The article reconstructs the illustrating history of “La Revue Blanche”, leading French literary and artistic magazine fin de siècle epoch. Leaving out analysis content, authors considers petite revue through prism its most significant achievements. In order to achieve this goal, a rather wide range graphic artists who collaborated with Blanche” at one time or another is outlined, conditional g...

During the last few years, DNA barcoding has become an efficient method for the identification of species. In the case of insects, most published DNA barcoding studies focus on species of the Ephemeroptera, Trichoptera, Hymenoptera and especially Lepidoptera. In this study we test the efficiency of DNA barcoding for true bugs (Hemiptera: Heteroptera), an ecological and economical highly importa...

MARIJUANA'S BILL OF HEALTH While the War on Drugs is fought out on the high seas and in the coastal swamps and in the big cities, another war against drugs goes forward in the government-subsidized laboratories where countless scientists have labored for years to discover whether marijuana damages the brain or some other part of the human body. The number of these studies, experiments and proje...