(The windscreen or windshield phenomenon is the sense of a declining number of bugs getting squashed on your car windscreen as the years go by.)
Study: More than 75 percent decline over 27 years in total flying insect biomass in protected areas
Alarm over decline in flying insects (19. October 2017)Scientists have long suspected that insects are in dramatic decline, but new evidence confirms this.
Research at more than 60 protected areas in Germany suggests flying insects have declined by more than 75% over almost 30 years.
Study: More than 75 percent decline over 27 years in total flying insect biomass in protected areas