There is only one species Mandevilla in Arizona, but there are over 100 species found (maybe as many as 200 spp.?) if you start...
Though other insects (garden varmints!) are mentioned, the star of this show is a type of stink bug called the harlequin bug or Murgantia...
It’s hard to believe I didn’t mention the beautiful color of the trunks and branches of manzanita. I must have just assumed everyone knew...