حشرات نافعة: الفرق بين النسختين

* {{citeمرجع webويب | urlالمسار=http://www.nj.gov/agriculture/divisions/pi/prog/beneficialinsect.html | titleالعنوان=Phillip Alampi Beneficial Insect Rearing Laboratory | publisherالناشر=State of New Jersey Department of Agriculture | accessdateتاريخ الوصول=August 02, 2012}}

* {{citeمرجع webويب | urlالمسار=http://www.cias.wisc.edu/crops-and-livestock/beneficial-insect-habitat-in-an-apple-orchard—effects-on-pests/ | titleالعنوان=Beneficial insect habitat in an apple orchard: Effects on pests | publisherالناشر=Center for Integrated Agricultural Systems, College of Agricultural and Life Sciences, University of Wisconsin-Madison | workالعمل=Research Brief #71 | dateالتاريخ=September 2004 | accessdateتاريخ الوصول=August 02, 2012}}

* {{citeمرجع webويب | urlالمسار=http://www.wa.nrcs.usda.gov/news/Footprints/Summer10/Beneficial_Insects.html | titleالعنوان=Orchardists Install Beneficial Insect and Pollinator Habit | publisherالناشر=USDA Natural Resources Conservation Service | accessdateتاريخ الوصول=August 02, 2012}}