Small white spherical eggs, with small orange/brown dots, are laid in straight lines on a cactus spine
7 points
Should have mentioned, I’m in SoCal right next to the San Fernando Valley.
5 points
Those are Jake’s. Please be careful with them, Jake will be back later for them.
4 points
Moth or butterfly is my best guess and my second guess is that whatever comes out of it is going to find that cactus very tasty.