Range expansion and enemy recruitment by eight alien gall wasp species in Britain

Karsten Schönrogge, Tracey Begg, Robin Williams, G. Melika, Zoë Randle, Graham N. Stone

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Biological invasions involving continuous range expansion differ from discontinuous introductions in that invaded and native ranges remain connected, potentially allowing pursuit of range expanding species by their natural enemies. The establishment in Britain of eight alien herbivorous gall wasps (Hymenoptera: Cynipinae) provides a rare opportunity to study continuous range expansion and natural enemy recruitment in a guild of related and ecologically similar species. Four aliens (Andricus kollari, A. quercuscalicis, A. lignicolus, and A. corruptrix) reached the UK before 1990, while four more recent invaders (A. aries, A. grossulariae, A. lucidus, and Aphelonyx cerricola) reached Britain by 2000. We provide the first parasitoid records for the recent invaders, update community development for the earlier set, and use dates of first record to estimate rates of spread for all eight species. While the recent invaders are restricted to southern and eastern England, three of the early invaders have reached northern Scotland. From their origins in southern England, invading gall wasps have expanded their distributions across the UK at mean rates ranging from 1.4km/year to >20km/year. Variation in range expansion rate was not related to life history differences, including voltinism or host oak association. All species have recruited native parasitoid enemies since their arrival, and we found no evidence of pursuit by non-native natural enemies from continental Europe. Our results suggest that over timescales predicted for rapid climate change, herbivore/parasitoid communities are unlikely to expand their range as sets of interacting species. Rather, we expect host range expansions to trigger local reassembly of communities.

Original languageEnglish
Pages (from-to)298-311
Number of pages14
JournalInsect Conservation and Diversity
Volume5
Issue number4
DOIs
Publication statusPublished - Jul 2012

Fingerprint

Cynipidae
range expansion
gall
wasp
natural enemies
United Kingdom
natural enemy
parasitoid
England
Andricus
community development
host range
Scotland
voltinism
Quercus
herbivores
Hymenoptera
life history
climate change
biological invasion

Keywords

  • Biological invasions
  • Cynipid gall wasps
  • Parasitoids
  • Range expansion
  • Rates of spread
  • Recruitment

ASJC Scopus subject areas

  • Insect Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

Range expansion and enemy recruitment by eight alien gall wasp species in Britain. / Schönrogge, Karsten; Begg, Tracey; Williams, Robin; Melika, G.; Randle, Zoë; Stone, Graham N.

In: Insect Conservation and Diversity, Vol. 5, No. 4, 07.2012, p. 298-311.

Research output: Contribution to journalArticle

Schönrogge, Karsten ; Begg, Tracey ; Williams, Robin ; Melika, G. ; Randle, Zoë ; Stone, Graham N. / Range expansion and enemy recruitment by eight alien gall wasp species in Britain. In: Insect Conservation and Diversity. 2012 ; Vol. 5, No. 4. pp. 298-311.
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