Ligature Strangulation. Strangulation is that form of asphyxia which is caused from constriction of the neck by ligature without suspending the body. Pulling a U-shaped ligature against the front and sides of the neck while standing at the back can cause death. It is of two types: [1] Strangulation by a ligature, and [2] manual strangulation or throttling.
What are the enemies of the monarch butterfly? The biggest threat to the monarch butterfly are wasps, bees, frogs, and especially people. Insects like to eat the eggs of monarch butterflies.
Swamp Milkweed is an excellent plant to attract Monarch butterflies....and Monarch Butterfly caterpillars find it very tasty! This perennial plant is: 1  Top butterfly garden plant. 2  host plant for Monarch butterfly.  easy to grow.