This is a remarkable monarch butterfly season in southern California. Have had more caterpillars and released more monarchs than all four prior years put together! Today, I released 7 gorgeous monarchs that emerged (eclosed) today, Friday, July 17, 2020....
O.e. is a microscopic parasite on tropical milkweed can over a year or two accumulate to where it seriously damages if not kills monarch caterpillars and butterflies. To help eliminate it, some people bleach the milkweed in a 5% bleach solution to water. Some even...
Did your caterpillars crawl up in your rearing container, hang, and die? Chances are they have NPV, Nuclear Polyhedrosis Virus. Melt, Wilt, and Black Death - other names that are used for this virus....