1. 
   androconium
   (from the article `lepidopteran`) ...of characteristic colours and patterns may be a requisite for this among the brightly coloured butterflies. Male pheromones also may play an ... ...The usual scale is a flattened, rigid, air-filled sac attached by a peglike base. It is usually ribbed longitudinal...
   Found op http://www.britannica.com/eb/a-z/a/72
   
   
2. 
   androconium
   androconium, androconial Scales on the wings of certain male Lepidoptera (butterflies) from which the attractive scent of the male is diffused.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2779/
   
   

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