This is almost certainly Calligrapha multipunctata (Say) and not Calligrapha suturellaSchaeffer. If you examine the illustrations in Gómez-Zurita, Vogler, & Funk (2004), which revalidated this taxon, you'll see that the subsutural strip and arcuate band are confluent with the sutural stripe in C. suturella and are distinct (as in this specimen) in C. multipunctata. Moreover, the key diagnostic feature is the pale pronotal band which is broad and conspicuous in C. multipunctata (as it is in this specimen), whereas it is thin and narrow (indeed, sometimes reduced solely to pale apical front angles) in C. suturella.

Moved from Common Willow Calligrapha.

Moved from ID Request.

Check out Calligrapha multipunctata.

C. philadelphica has a complete dark pronotum usually.