Insufficient pollination results in less yield and low quality of crops. Many vegetables depend on the cross pollination to produce valuable seeds or fruits. Most flowering plants, fruit and seed formation are highly dependent on the activity of pollinator bees and in some crop such as alfalfa no seeds will form in the absence of bees. The most important crops of Iran from stone fruits (peach, almond, plum, cherry and apricot), pome fruits (apple, pear and quince), alfalfa, clover, sunflower, etc. are collected. These plants are attractive for pollinator bees as source of nectar as well as pollen. Hence to identify and introduce bees of Iran, a study was conducted for three years. Pollinator bees were collected from all flowering plant varieties in the bloom season (from the beginning of spring till end of summer) by using insect net. Collected bees were placed in small plastic jar and details of host, place, date and time of collection were recorded. After preservation and drying, identification of samples was carried out by using identification keys and also by comparison with reference samples.
"It was unintentionally introduced to North America in the late 1960s from Europe and it is now established transcontinentally as well as in South America, New Zealand and the Canary Islands (Jaycox, 1967; Smith, 1991; Miller et al., 2002; Hoebeke & Wheeler, 2005; Maier, 2005; Zavortink & Shanks, 2008; Gibbs & Sheffield, 2009; Strange et al., 2011). The Iranian bee fauna, which comprises more than 600 reported species, has been studied by several researchers (Popov, 1967; Esmaili & Rastegar,1974; Warncke, 1979a,b, 1980, 1991; Talebi et al., 1995; Izadi et al., 2004; Engel, 2006; Izadi et al., 2006; Monfared et al., 2009; Korghand et al., 2010; Khaghaninia et al., 2010; Khaghaninia et al., 2011; Khodaparast & Monfared, 2012; Nadimi et al., 2013a,b). Ascher & Pickering (2013) listed about 163 Megachilidae species in"Discover Life's bee species guide and world checklist". "
[Show abstract][Hide abstract] ABSTRACT: A survey was conducted to identify the part megachilid bees (Hymenoptera: Apoidea, Megachilidae) in the Yazd province located in central of Iran during 2011–2013. The specimens were collected using sweeping net from different habitats. In total, 4436 Megachilid specimens were collected from 13 genera, 18 subgenera and 55 species. Seven species including Osmia (Helicosmia) peregrina, Megachile (Eutricharaea) semicircularis, Megachile (Entricharea) basilaris, Megachile (Pseudomegachile) cinnamomea, Megachile (Pseudomegachile) seraxensis, Megachile (Pseudomegachile) sanguinipes, and Icteranthidium ovasi are new records for Iran. Host plant association and geographical distributions of the known species from Yazd province are given.
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