Male head variance in Perdita albonotata. A small male (BBSL529648) B medium male (BBSL532560) C large male (BBSL532480). Scale bars: 500 μm, all images are the same scale.

 
 
  Part of: Portman ZM, Griswold T (2017) Review of Perdita subgenus Procockerellia Timberlake (Hymenoptera, Andrenidae) and the first Perdita gynandromorph. ZooKeys 712: 87-111. https://doi.org/10.3897/zookeys.712.14736