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Clear Resin Casting of Arthropods for Use in Education, Outreach, and Research

Clear Resin Casting of Arthropods for Use in Education, Outreach, and Research

Published on: January 16, 2026

Risk taking of educated nematodes.

Denis S Willett¹, Hans T Alborn², Lukasz L Stelinski³

¹Cornell University, Entomology Department, Cornell AgriTech, Geneva, NY, United States of America.

|October 26, 2018

Summary

This summary is machine-generated.

Nematode parasites adjust their infection risk based on environmental cues and past experiences. This learned behavior can significantly increase their success in infecting hosts, offering new strategies for pest control.

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Area of Science:

Parasitology
Behavioral Ecology
Nematology

Background:

Nematode parasites require successful host infection for species propagation.
Individual nematode infections carry inherent risks due to host immune responses.

Purpose of the Study:

To investigate how environmental cues and prior parasite experience influence individual risk-taking during host infection.
To determine the impact of learned behaviors on the infective virulence of entomopathogenic nematodes.

Main Methods:

Utilized a model system to observe and quantify nematode infection behaviors.
Manipulated environmental cues and parasite experience to assess changes in infection strategies.

Main Results:

Environmental cues and past parasite experience significantly reduce individual infection risk.
Prior experience can more than double the infective virulence of entomopathogenic nematode cohorts.

Conclusions:

Nematode parasites exhibit behavioral plasticity in risk assessment and infection strategies.
Findings provide a basis for managing parasitic nematodes, including enhancing biological control and developing new intervention strategies for various nematode types.