androconium
noun
an·dro·co·ni·um
plural androconia
-ēə
: any of certain modified scales associated with glandular structures on the forewings of the male of some butterflies and moths and concerned with the production of an odor attractive to members of the opposite sex
Word History
Etymology
New Latin, from andr- + Greek konis dust + New Latin -ium
First Known Use
1876, in the meaning defined above