Susceptibility of Japanese beetle, oriental beetle, and European chafer (Coleoptera: Scarabaeidae) to halofenozide, an insect growth regulator

Japanese beetle, Popillia japonica Newman, European chafer, Rhizotrogus (Amphimallon) majalis (Razoumowsky), and oriental beetle, Anomala orientalis Waterhouse, were exposed to an ecdysone agonist, halofenozide, in the egg, 1st instar, and 3rd instar at 1.5, 3, 6, and 12 ppm, respectively, in soil....

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Bibliographic Details
Published in:Journal of economic entomology 1996-12, Vol.89 (6), p.1556-1565
Main Authors: Cowles, R.S. (Connecticut Agricultural Experiment Station, Windsor, CT.), Villani, M.G
Format: Article
Language:English
Subjects:
AGE
AMPHIMALLON
Anomala orientalis
Biological and medical sciences
Chemical control
Control
CONTROL DE INSECTOS
DESARROLLO BIOLOGICO
DEVELOPPEMENT BIOLOGIQUE
DIFERENCIAS BIOLOGICAS
DIFFERENCE BIOLOGIQUE
DOSE D'APPLICATION
DOSIS DE APLICACION
EDAD
ETAPAS DE DESARROLLO
Fundamental and applied biological sciences. Psychology
INHIBIDORES DESARROLLO INSECTOS
LUTTE ANTIINSECTE
Phytopathology. Animal pests. Plant and forest protection
POPILLIA
Popillia japonica
Protozoa. Invertebrates
REGULATEUR CROISSANCE INSECTE
SCARABAEIDAE
STADE DE DEVELOPPEMENT
SUPERVIVENCIA
SURVIE
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Description
Summary:Japanese beetle, Popillia japonica Newman, European chafer, Rhizotrogus (Amphimallon) majalis (Razoumowsky), and oriental beetle, Anomala orientalis Waterhouse, were exposed to an ecdysone agonist, halofenozide, in the egg, 1st instar, and 3rd instar at 1.5, 3, 6, and 12 ppm, respectively, in soil. Species, stage, and physiological condition of larvae affected the response to halofenozide. Japanese beetle was the most sensitive, with maximal response of 1st instars at 3 ppm. First and 2nd instars were more susceptible than were 3rd instars. Sublethal exposure of 1st-instar European chafer and 3rd-instar oriental beetle resulted in dose-dependent accelerated development and successful molts. Field trials are needed in locations where there are mixed populations of scarabs to determine whether the species differences in susceptibility to halofenozide observed in this work will translate to increased relative importance of European chafer
ISSN:0022-0493
1938-291X
DOI:10.1093/jee/89.6.1556