Male terminal structures of Colletes collaris, specimen no. 16 (LM): A. Ventral view of sternum 6; B. Ventral view of sternum 7; C. Ventral view of sternum 8; D. Lateral view of sternum 8. ba – basal arm, br – bridge, bs – base, dpr – distal process, lgr – lateral grooves, lpr – lateral process, mbr – membrane, mel – median elevation, mp – median process, ota – oval-shaped translucent area, sh – shoulder, spi – spiculum, wg – wing.