الفهرس 
Difficulties of Application of Biological Species ConceptOnly 14 pages are availabe for public view
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Abstract
The study involved the spot survey of the Chrysoperla carnea individuals from six broad areas of Egypt the Western Desert, the North Coast, the Suez Canal Governorates, Sinai Peninsula, Delta and Valley of Nile. Siwa, Baharia, Farafra, Dakhla and Kharga represent the Western Desert. Matrouh and Alexandria are representatives to the north coast. Ismailia is the representative of the Suez Canal Governorates. Sinai Peninsula is represented by Ras Mohamed. Finally Kafr El Sheikh and Qena are representatives to Delta and Valley of Nile respectively.
Identification and rearing trials for Chrysoperla carnea individuals that collected alive was done. Sorting and storing of dead C. carnea specimens were carried out for molecular systematic studies.