Insecticide · reference
Talstar P Professional
The workhorse professional insecticide — a bifenthrin concentrate used for general pest control indoors and out. You have this in two sizes (a 1-pint measuring bottle and a 3/4-gallon jug), so it's clearly a staple. The handwritten "1 oz per gallon only, max" is your dilution note.
- Maker
- FMC Corporation
- Active
- Bifenthrin 7.9% — 2/3 lb active/gal
- MoA group
- IRAC Group 3A (pyrethroid, sodium channel modulator)
- EPA reg
- 279-3206
- Net contents
- 1 pint (also a 3/4 gallon jug on hand)
- Signal
- caution
✍ On the jug — Dan's note"1 oz per gallon only max" Read off the jug, not the label rate — verify against the booklet before mixing.
01Usage
What it's for and where it goes.
- Targets: Ants, spiders, ticks, fleas, mosquitoes, roaches, wasps, beetles, chinch bugs, and 75+ other pests.
- Where: Residential/commercial perimeters, foundations, lawns, ornamentals, turf, kennels, and interior crack-and-crevice.
- Rate: Typically 0.5–1.0 fl oz per gallon of water depending on pest (your note caps it at 1 oz/gal). Bottle has a built-in mL/oz measuring chamber.
- Residual: Long-lasting; provides weeks of control on treated surfaces. Good barrier/perimeter product.
02Efficacy
How well it actually works.
- Very high knockdown and residual on a broad insect spectrum — one of the most reliable general-use pyrethroids.
- Low odor, non-staining at label rates, which is why it's popular for interior perimeter work.
03Best at killing
What it's genuinely strongest on in real use.
- The perimeter-pest workhorse — bifenthrin is one of the most reliable general-use pyrethroids, with very high knockdown and weeks of residual across 75+ pests: ants, spiders, ticks, fleas, mosquitoes, roaches, wasps, chinch bugs and more. Low odour and non-staining at label rates is why it is the go-to for foundation/perimeter and interior crack-and-crevice work (EPA Talstar Professional label).
- Broad-spectrum by design — it does not spare beneficial insects, so keep it off blooms.
04Dangers
What it can hurt — read this before you reach for it.
- Signal word CAUTION.
- Highly toxic to bees — do not apply to blooming plants or when pollinators are active.
- Extremely toxic to fish and aquatic invertebrates — keep out of ponds, streams, storm drains; do not spray where runoff can reach water. This is the most important environmental hazard.
- Toxic to cats at wet/concentrated exposure (pyrethroids affect cats strongly) — keep pets off until dry.
- Avoid skin/eye contact; can cause temporary tingling/numbness of skin (typical pyrethroid paresthesia).
05🐾 Dogs & re-entry
Pet safety — toxicity and how long until a dog can be back on it.
🐾 Pet safety — read before you let the dog out
- Toxicity: bifenthrin is a pyrethroid; dog signs are usually mild and self-limiting — "single-episode vomiting or diarrhea, reduced activity, twitching of the ear, paw flicking and increased drooling" (NPIC Bifenthrin General Fact Sheet). As with all pyrethroids, cats are more sensitive than dogs.
- When safe again: NPIC gives no fixed interval; the label/pyrethroid standard is keep pets off until the treated surface is fully dry. Practical default: fully dry, ideally 24h, and never apply where a dog will contact wet spray.
General guidance. Confirm the label's re-entry interval and ask your vet; when unsure keep dogs off until fully dry.
06Storage
How to keep it, and keep it separate.
- Store tightly closed in original container, cool and dry, away from children, food, and feed.
- Nonrefillable container.
- Bifenthrin concentrates are stable for years sealed; shake before use.
landscape.gf.cx · chemicals · talstar-p · filed 2026-07-23 · read off the label — verify every rate against the booklet