Pariaconus caulicalix and Pariaconus crassiorcalix immatures. A–JP. caulicalix: A 5th instar with anal ring detail (inset) B antenna and tarsi C detail of marginal sectasetae D ridged dorsal surface E 2nd instar F 1st instar (with acute sectasetae on dorsum) G, H (images by Russell Messing): G immature seated at base of cup gall H soft ventral body beneath dark sclerotized dorsal surface I, J cup gall tissue extrudes from the plant stem with dark immatures seated in the base (indicated) K-RP. crassiorcalix: K 5th instar with anal ring detail (inset) L antenna M tarsi N abdomen with detail of dorsal surface with round tubercle like scales O detail of marginal sectasetae P, Q, R cup gall tissue extrudes from the plant stem with orange-brown immatures seated in the base (indicated).