Field Trials and Laboratory Bioassays of CME 134, a New Insect Growth Regulator, Against Heliothis zea and Other Lepidopterous Pests of Soybeans

1985 ◽  
Vol 78 (2) ◽  
pp. 333-338 ◽  
Author(s):  
D. Ames Herbert ◽  
D. James Harper
Keyword(s):  
Growth Regulator ◽  
Heliothis Zea ◽  
Field Trials ◽  
Insect Growth Regulator ◽  
Insect Growth ◽  
Cme 134 ◽  
Laboratory Bioassays

Susceptibility of the sheep body louse [Bovicola ovis (Schrank), Phthiraptera: Trichodectidae] to temephos and concentration stability during sheep dipping with a commercial temephos product

2012 ◽  
Vol 52 (12) ◽  
pp. 1131 ◽  
Author(s):  
Garry Levot
Keyword(s):  
Growth Regulator ◽  
Application Rate ◽  
Insect Growth Regulator ◽  
Cross Resistance ◽  
Product Label ◽  
Body Louse ◽  
Insect Growth ◽  
Low Level ◽  
Dipping Process ◽  
Laboratory Bioassays

Laboratory bioassays were used to measure the susceptibility of sheep lice [Bovicola ovis (Schrank)] strains that were resistant to pyrethroid or benzoylphenyl urea insect growth regulator insecticides to the organophosphate temephos, the most commonly used wet dipping insecticide. Compared with the reference susceptible strain, only the pyrethroid-resistant ‘Rowena’ strain displayed low level (2.2×) tolerance of temephos. Lice exposed to the minimum lethal concentration of temephos began to be affected within 6–7 h and all had responded to the insecticide within 24 h. In a dipping trial with sheep, the working concentration of temephos in a 5000-L plunge dip operating according to constant replenishment principles remained close to the nominal application rate of 350 mg/L. The ease with which temephos dip concentration was maintained simplified the dipping process. If typical of similar field populations, the absence, or low level of cross-resistance to temephos reported here for insect growth regulator-resistant and pyrethroid-resistant lice, respectively, should make wool producers confident that thorough dipping with temephos according to product label directions should be effective in controlling lice on their sheep.

AN INSECT GROWTH REGULATOR (PRO-DRONE) FOR EFFECTIVE MANAGEMENT OF THE RED IMPORTED FIRE ANT (HYMENOPTERA: FORMICIDAE)1,2,3

1985 ◽  
Vol 20 (2) ◽  
pp. 194-198 ◽  
Author(s):  
Sherman A. Phillips ◽  
David M. Claborn ◽  
Harlan G. Thorvilson
Keyword(s):  
Growth Regulator ◽  
Large Scale ◽  
Field Trials ◽  
Insect Growth Regulator ◽  
Fire Ant ◽  
Red Imported Fire Ant ◽  
Insect Growth ◽  
Large Scale Field ◽  
Solenopsis Invicta Buren ◽  
Imported Fire Ant

Pro-Drone, an insect growth regulator (IGR) with juvenile hormone activity, was aerially applied twice at the rates of 11.86 g AI/ha in large-scale field trials for control of the red imported fire ant, Solenopsis invicta Buren. Although Pro-Drone applications produced no significant effect at 3- and 8-months posttreatment, the IGR significantly reduced fire ant infestation after 10 months in southeastern Texas. This product represents the first registered, aerially applied IGR effective against the red imported fire ant.

Environmental degradation of the insect growth regulator methoprene

1975 ◽  
Vol 5 (3) ◽  
pp. 233-241 ◽  
Author(s):  
Gary B. Quistad ◽  
Luana E. Staiger ◽  
David A. Schooley
Keyword(s):  
Environmental Degradation ◽  
Growth Regulator ◽  
Insect Growth Regulator ◽  
Insect Growth
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