Yes, Bifen XTS is labeled for dogwood borers as directed on page 21 of the product label. Best applied before they are active to protect the trees.
Yes, Bifen XTS is labeled for grasshoppers and would do a great job when applied as directed on the product label.
The mixing rate of Bifen XTS for sod webworms is 0.07-0.15 fl oz per 1000 square feet in at least 1 gallon of water but can be up to 10 gallons per the product label. To ensure the best control for sod webworms, postpone watering or mowing for at least 24 hours after application. This can be done every 21 days as needed.
For low water volume usage, less than 2 gallons/1000 square feet, addition of a non-ionic or silicone based surfactant (0.25% v/v) is recommended, as is immediate irrigation of treated area with at least 0.25 inches of water following application to ensure efficacy of sub-surface pestsUnfortunately Bifen XTS is not labeled for nematodes. We do carry Monterey Nematode Control which is labeled for them