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.
The monarch butterfly has brownish-orange wings with black to dark brown on the margins. The wings also have two rows of orange and/or white spots and veins outlined in black. Males have a black scent pocket on their hind wings. The caterpillar is black with white and yellow bands.