inkcube

most likely cycad aulacaspis scale insect, Aulacaspis yasumatsui, originally collected near Bangkok - armored scale known to infest cycads. it has been rapidly spreading through southern Florida since around 1996, its has spread throughout other areas in Florida and has been reported recently in Hong Kong, Hawaii, and the Cayman Islands.

keep in mind there are over 175 species of armored scales occur in Florida & 60 species of soft scales - i mean to say any scale you see could be any one of these not that the reported scale is a natural scale to Florida, if it is from Thailand it is most likely the cycad aulacaspis scale.