COLLECTION OF ORIUS SPECIES (HEMIPTERA: ANTHOCORIDAE) IN SOME COUNTIES OF YAZD PROVINCE, IRAN Recently, the use of predatory bugs of the genus Orius Wolff has greatly increased in many greenhouses and horticultural crops. These are generalist predators able to control pest outbreaks on different crops. To evaluate a natural enemy for biological control, is first necessary to search in the area of origin to determine if an efficient predator, parsitoid or pathogen is present (Luck et al., 1988). Therefore, it is necessary to explore the local fauna for indigenous Orius species which are adapted to the local climatic conditions of a region.
Until now, 14 Orius species has recorded from various parts of Iran (Ghahari et al., 2009), but not a single species from Yazd province, located in the center of the country with an area of 131.575 km2. In order to determine distribution and abundance of Orius species in this area, we investigated greenhouses, fruit gardens, crop fields and ornamental plants in counties of yazd, Saduq, Taft, Mehriz and Abarkuh in Yazd province, during growing season in 2010-2011 (April-September). Samplings were done mainly by beating flowers or terminal buds onto a white plastic plate and specimens were taken back to the laboratory. Using genital preparations, specimens were identified based on available resources and keys (see e.g. Pericart, 1995., Ostovan, 1998., Linnavuori& Hosseini, 2000)
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