WISE color–color diagram for WISE 3.4, 4.6, and 12 μm bands for our WISE classified YSOs (see Tables 2, 4, and 5). The dashed lines denote color criteria for different YSO classes as determined by WISE photometry. Red sources in the top box are classified as class I YSOs, magenta sources are class II, and cyan sources are transition disks. Note that the magenta sources not confined to a dashed line region were classified by their 2MASS photometry.