A preliminary study was conducted to determine if the rove beetle, Paederus littorarius Grav., would exhibit a feeding preference for the eggs of the pyralid moth, Chrysoteuchia topiaria Zeller, a pest in Wisconsin cranberry bogs. Individuals were offered a choice of C. topiaria eggs or Drosophila sp. adults for four days. Total number of prey items eaten was converted to weight using a multiplier based on the mean weight of 20 individuals of each prey item, respectively. A significant preference for Drosophila adults was observed in the preference trial; however as many as 24 C. topiaria eggs in addition to Drosophila offerings were consumed by P. littorarius individuals within a 24 h period. Additionally, laboratory and field observations suggests P. littorarius is a polyphagous predator.
"Evaluation of Paederus Littorarius (Coleoptera: Staphylinidae) as an Egg Predator of Chrysoteuchia Topiaria (Lepidoptera: Pyralidae in Wisconsin Cranberry Bogs,"
The Great Lakes Entomologist: Vol. 30
, Article 5.
Available at: https://scholar.valpo.edu/tgle/vol30/iss2/5