Nests with larvae of Gasteruption. A Larva of Gasteruption nigrescens in nest of Heriades rubicola (Hungary, Szeged, 2017) B Larva of Gasteruption nigrescens in nest of Hoplitis leucomelana (Czech Republic, Novozámecký fish pond, 2018) C Larva of Gasteruption phragmiticola in nest of Hylaeus pectoralis (Czech Republic, Novozámecký fish pond, 2018) D larva of Gasteruption phragmiticola extracted from nest of Hylaeus pectoralis (Czech Republic, Dubno, 2015).

 
 
  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