TreeIssues

Thermonectus basillaris in Florida

MODERATE

Insect

Active now in Florida

Thermonectus basillaris is currently active in Florida. Watch your susceptible trees closely and act early.

About Thermonectus basillaris

Another great evening celebrating moth week! Tonight, we were at John Bunker Sands with around 80 other folks -- lots of excitement for bugs! :) Quite a few things showed up -- apologies for my particularly bad photos tonight though.

Symptoms to watch for

Treatment options

Targeted Insecticide Application

Chemical TreatmentEffectiveness: HIGH

Apply appropriate insecticide following label directions. Timing is critical — treat during the vulnerable larval or adult emergence stage for maximum effectiveness.

Biological Control Agents

Biological ControlEffectiveness: MODERATE

Introduce or encourage natural predators and parasitoids. Options include releasing predatory beetles, parasitic wasps, or applying Bt (Bacillus thuringiensis) for caterpillar pests.

Infested Material Removal

Mechanical RemovalEffectiveness: MODERATE

Prune and destroy infested branches and plant material. Remove fallen debris that may harbor eggs or larvae. Dispose of material away from healthy trees.

Recommended Products & Tools

Helpful supplies for managing Thermonectus basillaris. Always read and follow label directions, and confirm a diagnosis before treating.

As an Amazon Associate, TreeIssues may earn a commission from qualifying purchases made through these links — at no extra cost to you.

Need help with Thermonectus basillaris in Florida?

Connect with ISA Certified Arborists serving Florida:

Browse all Florida arborists →

Frequently asked questions

Is Thermonectus basillaris in Florida?

Thermonectus basillaris is currently active in Florida. Watch your susceptible trees closely and act early. It was first recorded here on August 3, 2026.

What does Thermonectus basillaris look like?

How do I treat Thermonectus basillaris?

Options include: Targeted Insecticide Application, Biological Control Agents, Infested Material Removal. Confirm the diagnosis before treating, and consider a certified arborist for high-value trees.