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Using Single Sensillum Recording to Detect Olfactory Neuron Responses of Bed Bugs to Semiochemicals

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Protein Self-Marking by Ectoparasites: A Case Study Using Bed Bugs (Hemiptera: Cimicidae).

Frances S Sivakoff¹, Susan C Jones², Scott A Machtley³

¹Department of Entomology, The Ohio State University, Rothenbuhler Research Lab, 2501 Carmack Road, Columbus, OH 43210 (sivakoff.3@osu.edu; jones.1800@osu.edu) sivakoff.3@osu.edu.

Journal of Medical Entomology

|August 6, 2016

Summary

This study introduces a novel protein self-marking technique for ectoparasites. This method allows insects like bed bugs to mark themselves by feeding on host blood, aiding dispersal studies.

Keywords:

Cimex lectularius dispersal immunomarking mark–release–recapture

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Published on: March 15, 2017

Area of Science:

Entomology
Parasitology
Biochemistry

Background:

Mark-release-recapture is standard for insect dispersal studies.
Ectoparasite dispersal research is hindered by ethical concerns of marking individuals.
A new, ethical marking method is needed for ectoparasites.

Purpose of the Study:

Introduce and validate a protein self-marking technique for ectoparasites.
Assess the efficacy of host-specific blood serum proteins as markers in bed bugs.
Evaluate the protein markers' persistence, detectability, and transferability.

Main Methods:

Laboratory-reared bed bugs (Cimex lectularius L.) fed on rabbit or chicken blood.
Enzyme-linked immunosorbent assays (ELISAs) used to detect host-specific serum proteins.
Assessed marker persistence across molting, varied diets, starvation, and temperature ranges.

Main Results:

Protein markers were successfully detected in bed bugs after feeding.
Markers remained detectable after molting and multiple feedings on alternate diets.
Marker persistence varied with temperature; no transfer between individuals observed.

Conclusions:

Protein self-marking is an effective method for marking bed bugs.
This technique shows promise for future ectoparasite dispersal studies.
The method overcomes ethical challenges associated with traditional marking.