androconium

[ an-druh-koh-nee-uh m ]
/ ˌæn drəˈkoʊ ni əm /

noun, plural an·dro·co·ni·a [an-druh-koh-nee-uh] /ˌæn drəˈkoʊ ni ə/.

a scale on the forewing of certain male butterflies from which an odor attractive to females is emitted.

Origin of androconium

1875–80; < New Latin, equivalent to andro- andro- + -conium < Greek kónion, neuter of kónios dusty ( kóni(s) dust + -os adj. suffix)