Kissing bugs and bed bugs (Heteroptera)
In Triatoma protracta , a 20 kDa protein (Tria p 1) has been identified as a major salivary allergen belonging to the lipocalin family.125 No cross-reactivity has been observed between different Triatoma species.126Nitrophorin (Cim l NP, 32 kDa), also a lipocalin, has been shown to be a major bed bug saliva allergen.127