Grub's up

Tired of Looking for Grubs?

Relax. No matter what spec ies you find, when you get Merit? you get rid of grubs. It nips every major grub type from egg-lay through second instar. And application timing isn't critical because of its residual power. So get off your knees. Keep your course in great shape. Get guaranteed, season-long control with the most effective grub eradicator on the market. Merit. Fear no grub. To learn mo...

Foreign Grubs, a Menace of the Future

IN last month's article I discussed the marked change in the status of grub control from a minor golf course maintenance problem to that of a major one due to the entrance into this country of three foreign species of turf feeding grubs from Japan. I stressed the fact that, as these three foreign species of grubs gradually spread over the country, they will cause pronounced changes in greenkeep...

Biology and control of cattle grubs.

Identifying and Managing White Grubs in Turf

White grubs are the larval stage of several scarab beetle species that feed on grass roots causing wide variation in damage. Last fall, we saw an abundance of white grub damage around Vermont, so it is likely, that we will see more damage this spring and summer. However, grub damage can vary significantly from year to year and we know that turf that receives adequate water and has a healthy roo...

Toxicity of botanical formulations to nursery-infesting white grubs (Coleoptera: Scarabaeidae).

The toxicity of eight botanically based biopesticides was evaluated against third instars of the scarab larvae (Coleoptera: Scarabaeidae) Popillia japonica Newman, Rhizotrogus majalis (Razoumowsky), Anomala orientalis Waterhouse, and Cyclocephala borealis Arrow. Soil dip bioassays were used to obtain concentration-mortality data 7 d after treatment of larvae, leading to the calculation of LC50 ...