Return to Publications List Home
TABLE
OF CONTENTS
Legner,
E. F. 1958. Some effects of aldrin, chlordane, dieldrin and heptachlor on the European earwig. M.S. Thesis, Utah State University. 56 pp. CLICK on Page Number to view: Page INTRODUCTION.
......................
........................................................1 REVIEW
OF LITERATURE.
................................................................2 METHODS
AND PROCEDURES.. .......................................................9 Trapping.
..........................................................................................9 Laboratory experiments. ...............................................................11 Concentration of chemicals.
..........................................................13 Field experiment using granular
insecticides. .............................14 Temperature and relative humidity..
...........................................14 Attraction to baits..
.....................................................................16 RESULTS
AND DISCUSSION. ...........................................................18 Effects of the light dosage. .................................................
.......18 Effects of the medium dosage.
......................................
............19 Action of the Heavy Dosage .........................................
...
....20 Response of nymphs and adults to
chemicals..............................32 Comparison of the light, medium and heavy
concentrations.....32 Recovery from the effects of
chemicals
....................................37 Exposure time and chemical potency.
.........................................37 Residual life of chemicals in experiments II and
III...................44 Results of field treatments with
granules. ...................................46 CONCLUSIONS.
..................................................................................49 SUMMARY....................................................................................
....53. LTERATURE CITED.
.............................................................
....54 |