List of Articles Nymph Open Access Article Abstract Page Full-Text 1 - Study on the chemical composition and insecticidal activity of the wild mint (Mentha longifolia L.) essential oil against the melon aphid (Aphis gossypii Glover) M. Zamani verdi H. Abbasipour S. Goudarzvande Chegini Open Access Article Abstract Page Full-Text 2 - Comparison of several sampling techniques to estimate population densities of the grape leafhopper Arboridia kermanshah Dlabola (Hem., Cicadellidae) M. Latifian H. Seyedoleslami J. Khajeali