BioCeres WP — Microbial Bioinsecticide (Wettable Powder)

Brand: Lallemand

BioCeres® WP is a contact microbial bioinsecticide made from naturally occurring fungal spores that infect susceptible insects after direct contact. Spores adhere to the insect cuticle and typically lead to mortality in 3–7 days under favorable conditions. 

Why growers use it

• Low-risk fit for IPM programs; ideal for prevention or at first signs of pest activity 

• No known resistance and no limit to the number of applications 

• No phytotoxicity when used according to label 

• Effective across pest life stages and safe on many beneficial insects 

• OMRI Listed for organic production 

Active ingredient

• Beauveria bassiana strain ANT-03

• Guarantee: > 1 × 10¹⁰ conidia/g 

Target pests (label varies by crop/use site)

Commonly used for suppression/control of pests including:

• Aphids, whiteflies, thrips

• Mealybugs, psyllids, leafhoppers

• Plant bugs, borers, beetles, weevils

• Spotted lanternfly and other leaf-feeding insects (where labeled) 

Where it’s used

• Food crops and ornamentals (indoor and outdoor, where labeled) 

• Turfgrass sites such as parks, landscapes, sod farms, and golf courses (where labeled) 

Application options (follow label)

• Foliar spray (indoor and outdoor rates vary by use site) 

• Soil drench / injection (for certain pests/use sites) 

• Cutting dips (where labeled) 

Coverage matters: This is a contact product (not systemic). Thorough coverage of infested plant parts is important for best results. 

Use tips for best performance

• Apply when conditions are favorable for spore survival (avoid peak heat/UV where possible). Spores are UV-sensitive. 

• Use the spray mix within 24 hours and maintain agitation. 

• Reapply on an interval that maintains control (often 3–10 days, depending on pressure and growth). 

REI / PHI (label guidance)

• REI: 4 hours 

• PHI: 0 days (can be applied up to day of harvest where applicable) 

Storage

Best kept refrigerated:

• Store below 77°F for up to 6 months, or refrigerate (~39°F) for up to 18 months.

• Temperatures above 77°F can damage the product. 

Important: Always read and follow the product label directions for your exact crop and use site.