Metasomal apex of female of Andrena (Suandrena) savignyi Spinola from Riyadh, Saudi Arabia parasitized by Stylops nassonowi Pierce, and depicting two females of the parasite exposed from under the apex of tergum IV.

 
 
  Part of: Straka J, Alqarni AS, Juzova K, Hannan MA, Hinojosa-Díaz IA, Engel MS (2015) Rediscovered parasitism of Andrena savignyi Spinola (Hymenoptera, Andrenidae) by Stylops (Strepsiptera, Stylopidae) and revised taxonomic status of the parasite. ZooKeys 519: 117-139. https://doi.org/10.3897/zookeys.519.6035