Stink Bug Trap With Slippery Collar and Pheromone Attraction
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Solution Overview
Problem
Current insect traps, such as the 'Tedders trap', are not effective in capturing stink bugs due to their failure to utilize the insects' behavioral characteristics, and stink bugs have become significant agricultural pests resistant to many pesticides, including those in genetically modified Bt crops.
Innovation Solution
A trap design featuring a lid with an aperture and an entry cone, a vane assembly with organic features to mimic leaves, and a slippery collar coated with polytetrafluoroethylene powder, along with an entrapment chamber that uses pheromones as attractants to encourage stink bugs to enter and remain trapped.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional traps like the Tedders trap are used, then the trap structure is simple, but the trapping effectiveness is poor because they do not utilize stink bug behavioral characteristics
Solution Approach 1:
The trap incorporates specific local features tailored to stink bug behavior: the entry cone with its specific angle and dimensions, the collar with slippery coating at the entrance, and the vane assembly with leaf-like structures. Each component has localized properties that collectively enhance trapping effectiveness without requiring complete redesign of the entire trap system.
Solution Approach 2:
The patent introduces intermediary elements that mediate between the stink bug and the trap: the vane assembly with leaf-like structures serves as an intermediary that appeals to the bug's natural climbing behavior, while the slippery collar acts as an intermediary barrier that prevents escape. These intermediaries enhance trapping effectiveness without fundamentally changing the basic trap structure.
2Reliability
If the trap uses behavioral characteristics and complex structures like vanes and collars, then trapping effectiveness improves, but the ease of manufacture decreases
Solution Approach 1:
The trap is divided into distinct segments: the lid with aperture, the entry cone, the collar, the vane assembly, and the entrapment chamber. Each segment can be manufactured separately and then assembled, which maintains ease of manufacture while allowing for the inclusion of complex behavioral-based features in each individual component.
Solution Approach 2:
The collar is designed to be slidable over the entry cone, and the vane assembly can be positioned and secured in different configurations. This dynamic assembly approach allows for easier manufacturing and assembly while maintaining the complex structural features needed for effective trapping.
3Reliability
If the collar is coated with polytetrafluoroethylene powder to create a slippery surface, then escape prevention improves, but the manufacturing complexity and cost increase
Solution Approach 1:
The slippery coating on the collar can be applied as a relatively simple, potentially disposable or easily replaceable feature. Rather than making the entire trap complex, the coating is applied only to the critical collar portion where escape prevention is needed, minimizing manufacturing complexity while maximizing effectiveness.
Solution Approach 2:
The polytetrafluoroethylene coating changes the surface parameter (friction/coefficient of grip) of the collar to create a slippery surface. This parameter change is applied locally to the collar rather than the entire trap, achieving escape prevention with minimal impact on overall manufacturing complexity.
4Reliability
If the vane assembly includes multiple features like curved surfaces, ridges, and apertures, then insect attraction and entry encouragement improve, but the device complexity increases
Solution Approach 1:
The vane assembly incorporates different local features (curved surfaces for climbing, ridges for emulation, apertures for air and light) in specific locations on the vanes. Each local feature addresses a specific behavioral aspect of stink bugs, achieving high attraction effectiveness while keeping each individual vane relatively simple in overall structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The trap effectively captures stink bugs by leveraging their behavioral tendencies to climb and enter the trap, with the slippery surface preventing escape and the pheromones enhancing attraction, providing an efficient and reusable solution for managing stink bug populations.
Implementation Method 1
a slippery collar coated with polytetrafluoroethylene powder
Implementation Method 2
an entrapment chamber that uses pheromones as attractants to encourage stink bugs to enter and remain trapped
Data Source
AI summary
A trap (100, 100′) for pestiferous insects, such as stink bugs and the like, that takes advantages of innate behavioral characteristics of the target insect. The trap includes a lid (140) defining an entry aperture (170), an entry cone (110, 110′) on one side of the entry aperture, a vane assembly (160) on an opposite side of the vane assembly, and an entrapment chamber (102) that releasably engages the lid. A collar (120, 120′) on the entry cone facilitates insects dropping into the trap and prevents insects from exiting the trap after dropping in.