Percent mortality of forest tent caterpillar larvae six and 24 hours after insecticide application.
| Treatment and rate | 6 hrs | 24 hrs |
|---|---|---|
| Acephate 3%A (Orthene PT 1300) | 93 | 72 |
| Cyfluthrin 0.04%+tetramethrin 0.72%+piperonyl butoxide 1.0%+MGK 264 1.0% A (Laser) | 100 | 85 |
| Diazinon 1 %A (Knox-Out PT 1500A) | 98 | 88 |
| Pyrethrins 0.176% + tetramethrin 0.081% + piperonyl butoxide 1.05% A | 100 | 91 |
| Phenothrin 0.5%A (Sumithrin PT 1400) | 99 | 90 |
| Carbaryl (Sevin SL) 32 oz/100 gal. | - | 95 |
| Cyfluthrin (Tempo 2E) 1.5 oz/100 gal. | - | 100 |
| Check | 0 | 0 |