Species diversity of whiteflies ‎‎(Hemiptera: Aleyrodidae) in ‎Guilan province, northern Iran

Whiteflies (Hemiptera: Sternorrhyncha: Aleyrodidae) are one of the most important agricultural pests in fields, greenhouses and orchards which damage to various agricultural crops. Up on the conducted samplings through 2000-2004 in different regions of Guilan province on the base of collecting the whiteflies’ pupae from the host plants, 18 species including, Aleurocanthus woglumi Ashby, 1915, Aleurochiton acerinus Haupt, 1934, Aleurolobus marlatti Quaintance, 1903, Aleurolobus moundi David & Subramaniam, 1976, Aleurolobus olivinus Silvestri, 1911, Aleyrodes elevatus Silvestri, 1934, Aleyrodes lonicerae Walker, 1852, Aleyrodes proletella (Linnaeus, 1758), Bemisia afer (Priesner & Hosny, 1934), Bemisia carpini (Koch, 1857), Bemisia mesasiatica Danzig, 1969, Bemisia tabaci (Gennadius, 1889), Dialeurodes citri (Ashmead, 1885), ialeurodes kirkaldyi (Kotinsky, 1907), Parabemisia myricae (Kuwana, 1927), Siphoninus phillyreae (Haliday, 1835), Trialeurodes packardi (Morrill, 1903) and Trialeurodes vaporariorum (Westwood, 1856) were determined. The identified aleyrodids are belonging to nine genera, and all in the subfamily Aleyrodinae. In addition to introducing of aleyrodids of Guilan, identification key and host plants are given for all the species.