The potential distribution of invading Helicoverpa armigera in North America: is it just a matter of time?

PloS One
Darren J KriticosMyron P Zalucki

Abstract

Helicoverpa armigera has recently invaded South and Central America, and appears to be spreading rapidly. We update a previously developed potential distribution model to highlight the global invasion threat, with emphasis on the risks to the United States. The continued range expansion of H. armigera in Central America is likely to change the invasion threat it poses to North America qualitatively, making natural dispersal from either the Caribbean islands or Mexico feasible. To characterise the threat posed by H. armigera, we collated the value of the major host crops in the United States growing within its modelled potential range, including that area where it could expand its range during favourable seasons. We found that the annual value of crops that would be exposed to H. armigera totalled approximately US$78 billion p.a., with US$843 million p.a. worth growing in climates that are optimal for the pest. Elsewhere, H. armigera has developed broad-spectrum pesticide resistance; meaning that if it invades the United States, protecting these crops from significant production impacts could be challenging. It may be cost-effective to undertake pre-emptive biosecurity activities such as slowing the spread of H. armigera through...Continue Reading

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Citations

Nov 6, 2015·Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis·Bruna Raquel de SouzaThomas Kieran Walsh
Jul 21, 2016·Current Opinion in Insect Science·Sharon DownesWee Tek Tay
Oct 22, 2016·Genome Génome / Conseil National De Recherches Canada·Joanne E Littlefair, Elizabeth L Clare
Nov 14, 2019·Neotropical Entomology·F P PereiraJ R P Parra
Oct 17, 2019·Journal of Economic Entomology·M CoelhoA L Catchot
Jul 10, 2018·Journal of Economic Entomology·Muhammad Noor-Ul-AneMyron P Zalucki
May 27, 2020·BMC Evolutionary Biology·Erick M G CordeiroAlberto S Correa
Apr 21, 2016·Ecology and Evolution·Mathew SeymourCraig A Abel
Apr 4, 2018·Proceedings of the National Academy of Sciences of the United States of America·Craig J AndersonTom K Walsh
Oct 28, 2016·Molecular Ecology·C J AndersonT K Walsh
Jun 23, 2016·Journal of Economic Entomology·Daniel L OlmsteadAnthony M Shelton
Jan 15, 2021·Scientific Reports·David KottelenbergWopke van der Werf
Jan 28, 2021·Neotropical Entomology·Alexandre SpechtVânia Ferreira Roque-Specht
Mar 26, 2021·Pest Management Science·Nicole Joußen, David G Heckel
Apr 13, 2021·International Journal of Biometeorology·João Rafael Silva SoaresMarcelo Coutinho Picanço
Apr 24, 2021·Insect Science·Peng WangMyron P Zalucki

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