Sav AN alae Oils le sale aNGOole> 
Dwicut H. GREEN, Governor 
DEPARTMENT OF REGISTRATION AND EDUCATION 
Frank G. Tuompson, Director 
BOARD OF NATURAL RESOURCES AND CONSERVATION 
Frank G. THompson, Chairman 
WiLi1AM TRELEASE, D.Sc., LL.D., Biology 
Ezra]. Kraus, Ph.D., D.Sc., Foresiry 
L. R. Howson, B.S.C.E., C.E., Engineering 
Witi1am A. Noyes, 
Ph.D., “LED SChenigs 
D.Sc., Chemistry 
Epson S. Bastin, Ph.D., Geology 
ArTHuUR Cutts WILLARD, D.Eng., LL.D., 
President of the University of I/linots 
NATURAL HISTORY SURVEY DIVISION 
Urbana, Illinois 
€CIENTIFIC AND TECHNICAL STAFF 
THEODORE H. Frison, Ph.D., Chief 
Section of Economic Entomology 
W. P. Fuint, B.S., Chief Entomologist 
C. C. Compton, Ph.D., Associate Entomologist 
M. D. Farrar, Ph.D., Research Entomologist 
J. H. Biccer, B.S., Associate Entomologist 
S. C. CHANDLER, B.S., Southern Field Entomolo- 
ist 
ein SHropsHirE, M.S., Northern Field Ento- 
mologist 
B. G. Bercer, M.A., Assistant Entomologist 
H.$B. Perry, B.A., Assistant, Entomology Ex- 
tension 
M. M. Perraxts, B.A., Entomological Assistant 
C. J. We1tnman, Ph.D., Research Fellow in En- 
tomology 
GeorceE F. Lupvik, B.A., Research Fellow in 
Entomology 
T. F. Winsurn, M.S., Associate Entomologist 
(U.S.B.E.P.Q. and Commodity Credit Cor- 
poration, cooperating) 
Section of Insect Survey 
H. H. Ross, Ph.D., Systematic Entomologist 
Cart O. Monr, Ph.D., Associate Entomologist, 
Artist 
B. D. Burks, Ph.D., Assistant Entomologist 
G. T. RrEcEL, M.S., Entomological Assistant 
KatHryn M. Sommerman, M.S., Artist, Ento- 
mological Assistant 
Section of Forestry 
James FE. Davis, M.F., Extension Forester 
Lee E. Yeacer, Ph.D., Forester 
CONSULTANT: 
Academy of Sctences 
Section of Aquatic Biology 
Davip H. Tuompson, Ph.D., Zoologist 
Georce W. Bennett, Ph.D., Limnologist 
D. F. Hansen, Ph.D., Assistant Zoologist 
Bruno Limsacu, B.S , Zoological Assistant 
R. G. Rennexs, M.F., Assistant Aquatic Biolo- 
gist 
Section of Game Research and Management 
Rarpu E. Yeatrer, Ph.D., Game Specialist 
Section of Wildlife Experimental Areas 
ArtuHur S. Hawkins, M.S., Game Technician 
(On leave) 
F. C. BeEtirose, Jr., B.S., Assistant Game 
Technician 
J. B. Low, Ph.D., Assistant Game Technician 
W. H. Exper, Ph.D., Assistant Game Technician 
Cooperative Wildlife Restoration Program 
(State Department of Conservation and U. 8. Fish 
and Wildlife Service) 
Harry G. Anperson, M.A., Funior Biologist 
L. G. Brown, B.S., Funior Biologist 
R. E. HEessetscHwerot, B.A., Funior Eiologist 
C. S. Spooner, M.F., Funior Biologist 
Section of Applied Botany and Plant Patkology 
L. R. Tenon, Ph.D., Botanist 
D. B. Creacer, Fh.D., Research Pathologist 
J.C. Carrer, Ph.D., Assistant Botanist 
G. H. Boewe, M.S., Field Botanist 
Section of Publications 
James S. Ayars, B.S., Editor 
Herpetology, Howarp K. Gtoyp, Ph.D., Director of the Museum, Chicago 
This paper is a contribution from the Section of Insect Survey. 
