AZ observation:

The HW is quadrifid, with Cu1, Cu2, M2 and M3 present, M2 closer to M3 than to M1. 
Nonetheless, M2 is clearly separate from M3. M3 and Cu1 both from cell corner or stalked.
This is a key difference with "Halysidota", where M2 and M3 emerge from the same point.