The Collaborative International Dictionary of English v.0.48:

conenose \cone"nose\, cone-nose \cone"-nose`\, n.
   A large bloodsucking hemipterous insect of the family
   Reduviid[ae], often found in houses, esp. in the southern
   and western United States. It bites severely, and is one of
   the species called kissing bugs. It is also called big
   bedbug.

   Syn: cone-nosed bug, conenose bug, big bedbug, kissing bug.
        [Webster 1913 Suppl. + WordNet 1.5] Conepate

WordNet (r) 3.0 (2006):

big bedbug
    n 1: large bloodsucking bug [syn: conenose, cone-nosed bug,
         conenose bug, big bedbug, kissing bug]