From left to right: A sentinel card with Bagrada hilaris eggs; a sentinel card in the field, inside a cardstock triangle to protect it from sun and precipitation; sentinel cards on the ground and in mustard foliage in the field.

 
 
  Part of: Hogg BN, Hougardy E, Talamas E (2021) Adventive Gryon aetherium Talamas (Hymenoptera, Scelionidae) associated with eggs of Bagrada hilaris (Burmeister) (Hemiptera, Pentatomidae) in the USA. In: Lahey Z, Talamas E (Eds) Advances in the Systematics of Platygastroidea III. Journal of Hymenoptera Research 87: 481-492. https://doi.org/10.3897/jhr.87.73778