Robert C. Thatcher, Pineville, La.—southern pine beetle through red tur- 
pentine beetle 
Lonnie H. Williams, Gulfport, Miss.—Coleoptera to Bruchidae 
Louis F. Wilson, East Lansing, Mich.—Orthoptera 
U.S. Department of Agriculture, Agricultural Research Service (ARS), System- 
atic Entomology Laboratory, Beltsville, Md. 
Douglass R. Miller—Coccoidea 
University of Florida, Department of Entomology and Nematology, Gainesville 
Robert C. Wilkinson—Symphyta | 
University of Georgia, Department of Entomology, Athens 
John All—Bruchidae to Buprestidae | 
Rudolph T. Franklin—Buprestidae 
Ching H. Tsao—Yponomeutidae | 
Robert H. Turnbow— Buprestidae 
University of Wisconsin, Department of Entomology, Madison 
Harry C. Coppel—Apocrita 
Virginia Polytechnic Institute and State University, Department of Entomology, 
Blacksburg 
Herman J. Heikkenen—Noctuidae to Lymantriidae 
Others who kindly gave of their time and expertise in reviewing revised and new 
materials are: 
Brigham Young University, Zoology and Entomology Laboratory, Provo 
Stephen L. Wood—Scolytidae 
U.S. Department of Agriculture, Forest Service 
Arnold T. Drooz, Olustee, Fla.—Forest Insects, Symphyta, Geometridae 
E. George Kuhlman, Research Triangle Park, N.C.—TInsects and Tree 
Diseases 
Robert L. Talerico, formerly Broomall, Pa.—Choristoneura spp. 
Harry 0. Yates HI, Athens, Ga.—Olethreutinae, Phycitinae 
U.S. Department of Agriculture, ARS Systematic Entomology Laboratory, 
Beltsville, Md. 
R. W. Poole—Noctuidae 
Louise M. Russell, retired, cooperating scientist— Aphididae 
Manya B. Stoetzel—Aphididae 
Virginia Polytechnic Institute and State University, Department of Entomology, 
Blacksburg 
Herman J. Heikkenen—Olethreutinae 
University of Florida, Department of Entomology and Nematology, Gainesville 
Harold N. Greenbaum—Symphyta 
University of Wisconsin, Department of Entomology, Madison 
Daniel M. Benjamin—Symphyta 
Harry C. Coppel—Symphyta 
There have been numerous changes in nomenclature since the earlier publications 
were printed, and keeping up with these changes is a never-ending process. Edna 
M. Hoover (retired) of the U.S. Department of Agriculture, ARS, Systematic 
Entomology Laboratory (SEL) at Beltsville, Md., transmitted the manuscript to 
various SEL and other specialists for verification of scientific names. She also 
verified some names when no specialist was available and assembled and transmit- 
ted the corrected texts. Her interest and devotion to this chore are greatly appreci- 
ated. The following list acknowledges the invaluable help of the SEL systematists at 
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