1.   And when aphids move in, those well-bred old-timers expire unless the gardener rushes in with insecticidal soap.

2.   Aphids can be discouraged with strong sprays or an insecticidal soap.

3.   Add the insecticidal soap, following the package directions if it is concentrated.

4.   Finding and killing all of them will take time and repeated attempts, by thoroughly bathing the orchids in a solution of insecticidal soap.

5.   He combats black spot with a mixture of baking soda, horticultural oil, insecticidal soap and water, or with a commercially produced zinc-manganese spray.

6.   I spray twice yearly with an insecticidal soap to no avail.

7.   I have tried spraying insecticidal soap, but while it curbs the severity, it does not completely knock it out.

8.   If you prefer, crawlers and adults can be killed with insecticidal soap.

9.   If you see them, treat promptly with insecticidal soap.

10.   Insecticidal soap is effective, as are products with neem.