Arrangement and reverse dot‐blot hybridization results of the P hellinus oligonucleotide microarray. A. Arrangement of P hellinus species‐specific probes on microarrays. P hapi: P hellinus apiahynus ; P hces: P . cesatii ; P hgil: P . gilvus ; P hlin: P . linteus ; P hine: P . inermis ; P hlav: P . laevigatus ; P hmel: P . melleoporus ; P hmem: P . membranaceus ; P hnox: P . noxius ; P hpin: P . pini ; P hque: P . quercinus ; P hrib: P . ribis ; P hign: P . igniarius ; P hfor: P . formosanus ; P hpac: P . pachyphloeus ; P htor: P . torulosus ; P hwei: P . weirii ; PM : position marker labelled with O ligo‐( dT )10; HC : hybridization control; PC : positive control. B. Reverse dot‐blot hybridization of biotin‐primer‐labelled amplicons from target reference strains to probes on nylon membrane. C. Reverse dot‐blot hybridization of DIG ‐primer‐labelled amplicons from target reference strains to probes on PVC chip.