{HEAD ~ means} for introducing and forming {TAIL ~ a mixture} of the octenol and the carbon dioxide within the housing, said mixture of octenol and carbon dioxide being released from the housing to attract insects, 
for introducing
{ HEAD ~ means } for introducing and forming { TAIL ~ a mixture } of the octenol and the carbon dioxide within the housing , said mixture of octenol and carbon dioxide being released from the housing to attract insects ,
HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH