How was last year's crop?
Last year was a moderately heavy crop, hence the manifestation of alternate bearing on this tree. The mite infestation is not helped by my reticence to spray in July, August and September when the temps are in the 90's all day long (which, sadly, coincides with the mite population explosion).
I usually use a neem/spinosad regimen in the spring, alternating between the two when I do spray. I read that neem and insecticidal soap are the worst sprays during hot weather. So is my choice only spinosad? Any other treatment recommendation?
Last years Moro crop did color up some but only with some reddish streaks. Toracco and Sanguineli's have never shown even the slightest hint that they are blood oranges.