الفهرس | Only 14 pages are availabe for public view |
Abstract IN THIS WORK THE COLOUR,IN FACT,IS NO GUIDE TO CORRECT SYSTEMATIC INDENTIFICATION ,AS IT CHANGES ACCORDING TO THE FEEDING HABITS AND THE ENVIRONMENTAL CONDITIONS.ALSO THE COLOUR CHANGES WHENTHE INSECTS ARE PRESERVED IN ALCOHOL OR IN SOME OTHER PRESERVATIVE,AND EVEN WHEN MOUNTED DRY. |