Argentine Stem Weevil

Argentine Stem Weevil (Listronotus bonariensis) The immature/larval stage of the Argentine Stem Weevil is a legless, creamy-white, active larvae up to 4mm in length. When mature the adult appears as a dark grey to black weevil with mottled grey body markings and a distinctive protruding snout, up to 3mm in length.  Adult weevils emerge from overwintering sites between September and November. After mating the female weevil deposits several eggs under the leaf sheath of the host plant. Once the eggs hatch the larvae begin to feed inside the plant stem until they reach the second or third instar at which point the burrow out of the plant and drop to the ground. Once outside the plant the larva begins to feed at the base of the turf plant, ingesting plant material from the stems and crown. They are a seriou pest in turf

How to control Argentine Stem Weevil

BiForce Granular Insecticide

Biforce Granular 1

Highly effective broad spectrum insecticide used for the control of ants, fleas, ticks, armyworm, beetles and billbug in lawns and external… Read More

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Chlorpyrifos G

Chlorpyrifos G Website packshot size

Chlorpyrifos G is for the control of Argentine stem weevils, ants and beetles in golf and bowling greens, gardens and other… Read More

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