DESCRIPTIONS OF ALL FEMALE STAGES OF THE MAPLE MEALYBUG, PHENACOCCUS ACERIS (HEMIPTERA: COCCOIDEA: PSEUDOCOCCIDAE), WITH NOTES ON ITS BIOLOGY

摘要: The adult female and all wingless nymphal stages of the maple mealybug, Phenacoccus aceris (Signoret), are redescribed illustrated. second-instar nymphs both males females produce a felt-like cover, which is secreted by numerous dorsal tubular ducts. A key also provided to separate immature Ph. aceris, based on morphological features. life cycle biology mealybug three different plant hosts, i.e., Acer negundo L., A. pseudoplatanus L. (Aceraceae) Fraxinus excelsior (Oleaceae) over two years presented compared. displayed similar developmental rates host plants. has one generation per year in Ankara, Turkey, overwinters as third-instar male prepupae pupae hidden places trunk branches its longest stage species was prepupa pupa stage. In sexes there were differences periods occurrence each amongst that may relate variation field temperatures.