A Key to the Nymphs of the Families of Hemiptera (Heteroptera) of America North of Mexico

Jon L. Herring, Peter D. Ashlock


A key is presented for the nymphs of the 41 families of Hemiptera (Heteroptera) found in America North of Mexico. The most important structures used for separation are the trichobothria and the dorsal abdominal scent glands.

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