Diaphorina citri, the Asian citrus psyllid, a sap-sucking hemipteran bug species
In 1965, Sláma and Carroll Williams made a surprising discovery: paper towels made from the wood of the balsam fir (Abies balsamea, Fig. 1) released vapors that elicited a potent effect on hemipteran bugs of the Pyrrhocoridae family.