The Science of Entomology 

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T.A. PheroLure ®

The T.A. PheroLure ® contains the female Tomato leaf minor (Tuta absoluta) pheromone for
the monitoring of male Tomato leaf minor in combination with the Insect Science (Pty) Ltd Yellow Delta Trap ® in Tomatoes.

(E,Z,Z) – 3, 8, 11 – Tetradecatrienyl
 0,76 mg / lure
(E,Z) – 3,8 – Tetradecadienyl 0,04 mg/lure

The T.A. PheroLure ® is designed for use together with Insect Science Yellow Delta Trap ®

To assemble the Insect Science Yellow Delta Trap ® , fold the two longer outside flaps of the trap inwards toward the centre and slide the two horizontal slots through the diagonal openings.

Open the Insect Science Sticky Liner and slide onto the bottom of the trap.

Close the trap by bending the two horizontal flaps on the side of the trap to a vertical position.

Remove the T.A. PheroLure ® from the foil sachet and place in the centre of Sticky Liner.

Push the galvanized wire through the two open holes on top of the trap.

Bend the wire to form a hook.

Fields should be divided up into monitoring areas of approximately 5 hectare; this is the maximum
area that can be monitored by a single trap.
The trap should be placed in the middle of the 5-hectare area.
A higher trap density may be necessary where the field or orchard is not uniform in shape, where
there are steep slopes and gulley’s.
Prevailing winds may also affect the trap effectiveness and therefore a higher density may be
necessary.
Suspend the trap onto a trap stand or bottom 1/3 or the crop that will ensure effective pheromone
distribution.
Ensure that the trap is not hung in the working row to avoid mechanical damage from tractors etc.
Remove all leaves and branches that may obstruct entrance to the trap.
Place trap in the direction of the prevailing winds to maximise spreading of the pheromone.
Identify every trap with a number for reference and recording purposes.

Place traps out at the beginning of the production season.

T.A. PheroLure ® should be replaced every 4 – 6 weeks.
Remove the used lures from the field and destroy them.

It is imperative that trap catches be recorded weekly and preferably on the same day each week.
Record the number of Tomato leaf miners caught, the trap number and date.
After Tomato leaf miner counts have been recorded, males must be removed from the trap.

The counts obtained from the trap are indications of the population pressure and dynamics thus
consultation with your local pest management advisor for accurate interpretation of the moth
counts is advisable.

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The Science of Entomology 

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