6 spp. in 3 genera north of Mexico (of which 4 Reduvius
, ~1000 spp. in ~140 genera worldwide(2)
Unfortunately this subfamily is often characterized by what the other subfamilies are not. No quadrate cell in corium, antennals segments not subdivided, transverse constriction at or before middle of pronotum, scutellum not furcate, rostrum arcuate and antennae not distinctly projecting from side of head.
Worldwide; in NA, most spp. in the southwest; the synanthropic Reduvius personatus is transcontinental
Some inhabiting deserts of the southwest, others more montane. One species synanthropic. Several genera are known to come to lights at night.
Generalist predators though R. personatus is known for its affinity for cimicids, notably Cimex & Oeciacus spp.