Global spread of the German cockroach, Blattella germanica

Qian Tang, T. Bourguignon, Luc Willenmse, Eliane De Coninck, Theodore Evans

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Most people consider cockroaches to be quintessential urban pests, even though very few of the 5000 cockroach species live in urban areas. The German cockroach is the most widespread and common cockroach in urban areas, however how this invasive species has spread globally is poorly understood. We reviewed the published and grey literatures, and museum data, to document the spread of the German cockroach, and how it may have interacted with other urban cockroach species. We found that the German cockroach likely originated from South Asia, was introduced into Europe no later than the 18th century, from where it invaded worldwide. The spread of the German cockroach was facilitated by the improvement of transportation technologies, especially from colonial trading, and indoor heating in cooler climates. Studies of population genetics have found that once introduced into a new location, the German cockroach spread rapidly through local expansion, and this could be within single (large, multiple-story) buildings. This local expansion resulted in displacement of other urban cockroach species, likely due to their small size requiring fewer resources, shorter generation times and so faster evolution, especially for pesticide resistance. These findings may help to identify new pest management methods. Future research could use genetic tools at larger scales to map distribution routes across the globe and interaction with pesticides and the evolution of resistance.
Original languageEnglish
Pages (from-to)693-707
Number of pages15
JournalBiological Invasions
Volume21
Issue number3
Early online dateOct 2018
DOIs
Publication statusPublished - Mar 2019

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cockroach
Blattella germanica
Blattodea
urban areas
pesticide resistance
South Asia
pest management
coolers
invasive species
population genetics
pesticides
urban area
transportation technology
pests
climate
heat
generation time
pest control
museum
pesticide

Cite this

Tang, Qian ; Bourguignon, T. ; Willenmse, Luc ; De Coninck, Eliane ; Evans, Theodore. / Global spread of the German cockroach, Blattella germanica. In: Biological Invasions. 2019 ; Vol. 21, No. 3. pp. 693-707.
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abstract = "Most people consider cockroaches to be quintessential urban pests, even though very few of the 5000 cockroach species live in urban areas. The German cockroach is the most widespread and common cockroach in urban areas, however how this invasive species has spread globally is poorly understood. We reviewed the published and grey literatures, and museum data, to document the spread of the German cockroach, and how it may have interacted with other urban cockroach species. We found that the German cockroach likely originated from South Asia, was introduced into Europe no later than the 18th century, from where it invaded worldwide. The spread of the German cockroach was facilitated by the improvement of transportation technologies, especially from colonial trading, and indoor heating in cooler climates. Studies of population genetics have found that once introduced into a new location, the German cockroach spread rapidly through local expansion, and this could be within single (large, multiple-story) buildings. This local expansion resulted in displacement of other urban cockroach species, likely due to their small size requiring fewer resources, shorter generation times and so faster evolution, especially for pesticide resistance. These findings may help to identify new pest management methods. Future research could use genetic tools at larger scales to map distribution routes across the globe and interaction with pesticides and the evolution of resistance.",
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Tang, Q, Bourguignon, T, Willenmse, L, De Coninck, E & Evans, T 2019, 'Global spread of the German cockroach, Blattella germanica' Biological Invasions, vol. 21, no. 3, pp. 693-707. https://doi.org/10.1007/s10530-018-1865-2

Global spread of the German cockroach, Blattella germanica. / Tang, Qian; Bourguignon, T.; Willenmse, Luc; De Coninck, Eliane; Evans, Theodore.

In: Biological Invasions, Vol. 21, No. 3, 03.2019, p. 693-707.

Research output: Contribution to journalReview article

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