In some taxa of Heteroptera, P. nigricornis (Pyrrochoridae), Cyclopelta siccifolia (Westwood, 1837) (Dinidoridae), Chrysocoris purpureus (Westwood, 1781) (Scutelleridae), N. viridula, P. guildinii, Perillus bioculatus, E. furcellata and H. halys (Pentatomidae), thermo-hygrosensitive coeloconic sensilla were present on the flagellum^(29,36,37,39,41,43).
Source: wiktionary