part of campaniform sensillum of dorsal humeral crossvein fly_anatomy.ontology HCV dHCV dorsal humeral crossvein campaniform sensillum FBbt:00004084 wing nerve dHCV VFB:FBbt_00004084 Humeral crossvein campaniform sensillum located on the dorsal side of the wing. It is situated close to the ventral humeral crossvein campaniform sensillum separated by the intermediate portion of the costal nerve (Murray et al., 1984). It is circular with a high profile and with a socket which is prominent on one side but becomes indistinct on the other. The sensillum is around 8 micrometers in diameter. dorsal humeral crossvein sensillum campaniformium d.HCV humeral crossvein wing campaniform sensillum