Well, it’s that time of year again when we start to worry about the Monarch Butterflies. Lots of
doom and gloom…talk about these beautiful creatures facing extinction. Let’s hope it’s
Milk weed gets a little ugly about now. Other creatures chew at the leaves. But
Monarch larvae when and if they appear are obvious and systematic. Big fat larvae
Monarch Butterfly Population in 2020-21
How would you go about counting North America’s monarch butterfly population? Scientists can’t count each and every butterfly. Instead they count the area of land occupied by the monarchs in their Mexican over-wintering habitat. The 2020-2021 Monarch Butterfly Report below shows only 2.1 hectares, down from 6.05 hectares just 2 years ago. It’s one of the lowest acreage numbers for the winter population in 20 years. Entomologists believe that Monarch survival requires at least 15 acres of wintering butterflies annually. The situation is dire. Why is this happening?