Enigmatic structures, possibly armored scale insect (Diaspididae) covers (DT86) on an Agathis zamunerae leaf from Río Pichileufú (USNM 545228) A leaf with covers B dorsal covers C dorsal covers D dorsal cover with concentric growth rings E cover in (E) under epifluorescence F dorsal cover with concentric growth rings G cover in (F) under epifluorescence H detail of rim surrounding semicircular impression in (G) I dorsal cover under epifluorescence showing concentric growth rings J dorsal cover with concentric growth rings K dorsal cover with concentric growth rings.