Why the Conflict Existed
Conventional mosquito spray programs use broad-spectrum pyrethroids that kill any insect they contact. There is no selective application method that targets mosquitoes while sparing bees and butterflies. The spray goes on the vegetation, and the vegetation is where pollinators feed. The conflict is structural, not a matter of application technique or product choice. It is built into what conventional spray programs are.
For gardeners who have spent years establishing native plant habitats for bees and monarchs, this is not a theoretical concern. The documented impact of pyrethroids on bee populations is meaningful enough that accepting it as collateral damage to mosquito control is a real cost.
Why CO₂ Trapping Is Different at the Mechanism Level
The distinction between CO₂ trapping and spray programs is not a matter of degree. It is a matter of mechanism. CO₂ traps attract mosquitoes using CO₂ and human scent compounds, specifically the signals that blood-seeking female mosquitoes use to locate warm-blooded hosts. Bees do not locate food sources using these signals. They use floral volatiles and UV patterns that have nothing to do with carbon dioxide concentration or human body chemistry.
The result is that bees, butterflies, and the full range of beneficial insects in a garden simply do not respond to a CO₂ trap. They are not attracted to it and are not affected by its operation in any way. Nothing is applied to vegetation or soil. The ecosystem of a pollinator garden is completely unaffected by a CO₂ trap operating in or adjacent to it.
Practical Placement for Garden Settings
For gardens where the aesthetic placement of a trap matters, the Biogents BG-Mosquitaire is compact and pole-mounted at a height of two to three feet. It can be positioned at the edge of the garden bed, between the shaded areas where mosquitoes rest and the open areas where you garden.
The Mosqitter Grand has a stainless steel finish that reads as a considered outdoor element rather than an out-of-place piece of equipment. Both GreenGuard USA’s Westlake Hills and Bee Cave service areas include a high concentration of native plant gardens, and our placement recommendations account for both mosquito interception and visual integration with the landscape.