NDLI: Revealing hidden species distribution with pheromones: the case of Synanthedon vespiformis (Lepidoptera: Sesiidae) in Sweden

Content Provider	Springer Nature Link
Author	Burman, Joseph Westerberg, Lars Ostrow, Suzanne Ryrholm, Nils Bergman, Karl Olof Winde, Inis Nyabuga, Franklin N. Larsson, Mattias C. Milberg, Per
Copyright Year	2015
Abstract	Synanthedon vespiformis L. (Lepidoptera: Sesiidae) is considered a rare insect in Sweden, discovered in 1860, with only a few observations recorded until a sex pheromone attractant became available recently. This study details a national survey conducted using pheromones as a sampling method for this species. Through pheromone trapping we captured 439 specimens in Southern Sweden at 77 sites, almost tripling the number of previously reported records for this species. The results suggest that S. vespiformis is truly a rare species with a genuinely scattered distribution, but can be locally abundant. Habitat analyses were conducted in order to test the relationship between habitat quality and the number of individuals caught. In Sweden, S. vespiformis is thought to be associated with oak hosts, but our attempts to predict its occurrence by the abundance of oaks yielded no significant relationships. We therefore suggest that sampling bias and limited knowledge on distribution may have led to the assumption that this species is primarily reliant on oaks in the northern part of its range, whereas it may in fact be polyphagous, similar to S. vespiformis found as an agricultural pest in Central and Southern Europe. We conclude that pheromones can massively enhance sampling potential for this and other rare lepidopteran species. Large-scale pheromone-based surveys provide a snapshot of true presences and absences across a considerable part of a species national distribution range, and thus for the first time provide a viable means of systematically assessing changes in distribution over time with high spatiotemporal resolution.
Starting Page	11
Ending Page	21
Page Count	11
File Format	PDF
ISSN	1366638X
Journal	Journal of Insect Conservation
Volume Number	20
Issue Number	1
e-ISSN	15729753
Language	English
Publisher	Springer International Publishing
Publisher Date	2015-12-09
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecology Saproxylic Moth Indicator of species richness Conservation Monitoring Entomology Conservation Biology/Ecology Biodiversity Animal Ecology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Ecology Animal Science and Zoology Nature and Landscape Conservation Insect Science

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