By Seanna Annis Waldo, Hancock and Lincoln Counties Mature mummy berry cups producing spores were still found on Thursday, May 3 in Appleton. No new pinheads were found so the mummy berry cups are starting to die off. Your plants are susceptible to mummy berry infection ALL through their development. Experiments have shown even opened read more 5.04.12 Mummy Berry Forecast: Friday, May 4