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A cDNA library for Myzus persicae has served to identify sequences coding for cuticular proteins (CPs) with RR-1 and RR-2 consensus. Two putative CPs showed a common RR-2 chitin binding domain (CBD) but differed in their C and N terminals. Two other predicted CPs showed a typical RR-1 CBD but differed in size and sequence of the C and N terminals. An additional sequence encoding for a protein that...