Roads may act as barriers to flying insects: species composition of bees and wasps differs on two sides of a large highway


	Overview of the study area along the E4 in Sollentuna, showing the five sites where communities of bees and wasps were sampled with two traps on each side of the road.

Part of: Andersson P, Koffman A, Sjödin NE, Johansson V (2017) Roads may act as barriers to flying insects: species composition of bees and wasps differs on two sides of a large highway. Nature Conservation 18: 47-59. https://doi.org/10.3897/natureconservation.18.12314