Druce has erroneously used this taxon name "cavillator" for another species, which is currently known as Lichnoptera gulo Herrich-Schäffer, 1850.

ref
Druce, Biol.Centr.Am. page 259 (part), nec Walker
and
LepIndex https://www.nhm.ac.uk/our-science/data/lepindex/detail/?taxonno=280241
and
http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/noctuoidea/noctuidae/pantheinae/lichnoptera/#cavillator
see last comment "misapplied"