Galls of two different species of Fordinae on twigs of Pistacia terebinthus Linnaeus, 1753. Photo & copyrights: Gene Selkov, https://www.flickr.com/photos/selkovjr/45002126051/.

 
 
  Part of: Gavrilov-Zimin IA (2024) Gallophilous theory of cyclical parthenogenesis in aphids (Homoptera, Aphidinea). Comparative Cytogenetics 18: 247-276. https://doi.org/10.3897/compcytogen.18.136095