1.2 to 1.3 mm in length; searching pattern on south facing trunk of a western Sycamore. Tree shows signs of unsuccessful ISHB attacks. One or two argentine ants (Linepithema humile) found on shady side (Northern). See https://www.inaturalist.org/observations/100723343
No evident hostility.
Species determined based on extreme polymorhpism, and the largest workers being at least 1cm in length.