Map with occurrence of Hylaeus pectoralis (yellow) and Gasteruption phragmiticola together with Hylaeus pectoralis (red) in the localities studied. No localities of Gasteruption phragmiticola without the presence of H. pectoralis were recorded. Empty circles represent the localities where these species have not been recorded.

 
 
  Part of: Bogusch P, van Achterberg C, Šilhán K, Astapenková A, Heneberg P (2018) Description of mature larvae and ecological notes on Gasteruption Latreille (Hymenoptera, Evanioidea, Gasteruptiidae) parasitizing hymenopterans nesting in reed galls. Journal of Hymenoptera Research 65: 1-21. https://doi.org/10.3897/jhr.65.26645