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Administering and Detecting Protein Marks on Arthropods for Dispersal Research

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Published on: January 28, 2016

Worldwide border interceptions provide a window into human-mediated global insect movement.

Rebecca M Turner¹, Eckehard G Brockerhoff², Cleo Bertelsmeier³

¹Scion (New Zealand Forest Research Institute), P.O. Box 29237, Christchurch, 8440, New Zealand.

Ecological Applications : a Publication of the Ecological Society of America

|July 13, 2021

Summary

This summary is machine-generated.

Insect interceptions at global ports reveal patterns in nonnative species arrivals. Integrating data across regions enhances biosecurity by identifying high-risk insects and informing surveillance strategies.

Keywords:

biological invasions biosecurity border inspection invasive species species composition species pools

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Area of Science:

Entomology
Biosecurity
Invasive Species Ecology

Background:

National biosecurity programs inspect imports to prevent nonnative species introduction.
Insect interceptions provide data on invasion pathways and inform biosecurity practices.
Insects are the primary taxonomic group intercepted during global inspections.

Purpose of the Study:

To compare insect species composition arriving at ports across nine global regions.
To analyze 25 years of insect interception data (1995-2019).
To assess the value of integrating multi-regional interception data for risk assessment.

Main Methods:

Gathered insect interception data from nine world regions (1995-2019).
Analyzed 1,899,573 interception events, with 863,972 identified to species level.
Utilized rarefaction analysis to estimate the fraction of species in invasion pathways.

Main Results:

A total of 8,716 insect species were intercepted globally.
Strong positive correlations in species interception frequencies were found between regions, especially for Hemiptera and Thysanoptera.
Significant differences in species frequencies were observed among regions, indicating unique interception profiles.

Conclusions:

Insect interceptions represent a fraction of species in invasion pathways.
Integrating multi-regional data is valuable for estimating invasion risks and identifying potentially damaging species.
Global data integration can enhance biosecurity by improving surveillance and risk assessment for invasive insects.