Monarch Disease, Parasites, Pesticides
12 Monarch Diseases, Parasites, and Caterpillar Killers
Fresh Monarch Chrysalides are compromised by this parasitic wasp:
Monarchs can also get viruses and bacterial diseases. Here's info on preventing these deadly diseases:
Unseen to the naked eye, this common protozoan parasite wreaks havoc on monarch health in continuous growing regions. It affects those in the northern regions too. More info and prevention tips:
What is OE and how can you protect monarchs?
Milkweed Treated with Pesticides
Find out more about parasitic tachinid flies and see the troublesome signs to look for when raising monarchs:
Are your monarch eggs turning completely dark and never hatching? This is the likely issue: