Isocycloseram Mosquito Control for Pyrethroid Resistance

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Solution Overview

Problem

The development of resistance in mosquito species to pyrethroid insecticides poses a significant threat to effective mosquito control, particularly for vectors of pathogenic diseases, with no obvious alternatives available, risking public health consequences.

Innovation Solution

The use of isocycloseram, a specific isoxazoline compound, is effective against mosquitoes, including those resistant to pyrethroids, through applications such as indoor residual sprays, long-lasting insecticidal nets, and other vector control solutions, providing fast-acting, long-lasting insecticidal efficacy and safety to users.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If pyrethroid insecticides are used for mosquito control, then mosquito population is reduced, but resistance develops making the insecticides ineffective

Engineering Contradiction:

Improveinsecticidal efficacyVSAvoidresistance development

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent changes the chemical parameter from pyrethroid to isoxazoline compound (isocycloseram), which has a different mode of action and chemical structure, thereby overcoming resistance while maintaining insecticidal efficacy

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent combines isocycloseram with other insecticides or synergists to create composite formulations that enhance efficacy and delay resistance development through multiple modes of action

Inventive Principle:

Principle #40Composite materials

2Object-affected harmful factors

If pyrethroid resistance develops in mosquito vectors, then disease transmission risk increases, but no obvious alternatives are available

Engineering Contradiction:

Improvedisease transmission riskVSAvoidavailability of alternatives

Core Design Contradiction:

Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The patent introduces a fundamentally different chemical class (isoxazoline) with distinct pharmacological properties and mode of action, providing a viable alternative to pyrethroids for controlling resistant mosquito vectors

Inventive Principle:

Principle #35Parameter changes

3Productivity

If isocycloseram is applied through indoor residual sprays and nets, then mosquito killing efficacy is improved, but formulation stability and longevity must be maintained

Engineering Contradiction:

Improvemosquito killing efficacyVSAvoidformulation longevity

Core Design Contradiction:

ProductivityVSDuration of action of stationary object

Solution Approach 1:

The patent applies isocycloseram to nets and surfaces in advance, creating a residual protective layer that maintains insecticidal activity over extended periods, thereby achieving both high efficacy and longevity

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent formulates isocycloseram with carriers and adjuvants that ensure continuous release and sustained insecticidal activity, maintaining protective efficacy throughout the intended service life of the formulation

Inventive Principle:

Principle #20Continuity of useful action

Data Source

PatentUS20250318529A1Method for mosquito control

Publication Date: 2025.10.16 SYNGENTA CROP PROTECITON AG

AI summary

The present inventions concerns use of isocycloseram to control mosquitoes including mosquito vectors of pathogenic disease and mosquitoes having developed insecticide resistance, such as pyrethroid insecticide resistance.