Butterflies regularly cross the Sahara in longest-known insect migration

Wetter conditions in Sub-Saharan and North Africa at certain times of year can result in hundreds of times more Painted Lady butterflies making the 14,000 km round trip to Europe. Findings improve understanding of how insects move to other countries, including pests that destroy crops and disease-carrying species like mosquitoes.

from Latest Science News -- ScienceDaily https://ift.tt/2SOiqtc