Where Have All the Spiders Gone? Observations of a Dramatic Population Density Decline in the Once Very Abundant Garden Spider, <i>Araneus diadematus</i> (Araneae: Araneidae), in the Swiss Midland

Aerial web-spinning spiders (including large orb-weavers), as a group, depend almost entirely on flying insects as a food source. The recent widespread loss of flying insects across large parts of western Europe, in terms of both diversity and biomass, can therefore be anticipated to have a drastic...

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Bibliographic Details
Main Authors: Martin Nyffeler, Dries Bonte
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/11/4/248