Description: Specimen ID: 0037. Sex: Female. Collection Location: Memorial Park. Plot: MP-4. Collection Date: 25-Jun-2013. Collector: Brick M. Fevold. Rhopalum clavipes, close-up of square head (a feature common to many species of Crabronidae, the so-called Square-Headed Wasps). Date: 8 April 2014, 15:08. Source: Rhopalum clavipes F. Author: maxson.erin.
Description: Specimen ID: 0037. Sex: Female. Collection Location: Memorial Park. Plot: MP-4. Collection Date: 25-Jun-2013. Collector: Brick M. Fevold. Rhopalum clavipes, dorsal view. Note relative absence of yellow or ivory markings on thorax and abdomen. Rhopalum is among the only square-headed genera to be almost uniformly black, and R. clavipes is the only species in North America. Date: 8 April 2014, 15:10. Source: Rhopalum clavipes F. Author: maxson.erin.
Description: Specimen ID: 0037. Sex: Female. Collection Location: Memorial Park. Plot: MP-4. Collection Date: 25-Jun-2013. Collector: Brick M. Fevold. Rhopalum clavipes, front left view. Note almost-complete absence of yellow markings compared to most other square-headed wasps in the family Crabronidae. Date: 8 April 2014, 15:12. Source: Rhopalum clavipes F. Author: maxson.erin.
