Volesus nigripennis, male 40 distal half of segment VIII and genital capsule, dorsal view (d dorsal portion of segment VIII; pct proctiger; pdm posterior dorsal margin of pygophore; psp medial prolongation of the socket of the insertion of the paramere; spi spiracle of segment VIII) 41 segment VIII, ventral view 42, 43 genital capsule, lateral view 44 pygophore, ventral view. (mpp median process of pygophore; pa paramere; pm posterior margin of pygophore; sp socket of the insertion of the paramere. Scale bars: 0.5 mm (40, 41); 1.0 mm (42–44).

  Part of: Gil-Santana HR, Oliveira J (2019) First description of the male of Volesus nigripennis Champion, 1899, with new records from Ecuador and Panama, taxonomical notes, and an updated key to the genera of Sphaeridopinae (Hemiptera, Reduviidae). ZooKeys 841: 97-123. https://doi.org/10.3897/zookeys.841.31153