Table 1. Fate after 72 hours of apple maggot flies confined for 10 minutes in plastic cups coated with insecticide in latex paint (no sugar added).

Active ingredient (a.i.) concentration (%)*

Insecticide

0.1% a.i
0.5% a.i.
1.0% a.i.
5.0% a.i.

Mortality (%)

Imidacloprid (Merit 75 WP)

0
20
80
100

Fipronil (Regent 80 WG)

0
0
0
10

Spinosad (Spintor 22.8 F)

0
0
0
0

Sugar Ester (SCO3483 100% a.i.)

0
0
0
0

* For each dose of each insecticide, ten flies were confined in each of two cups for 10 minutes.