Stigmella gallicola, galls and larvae in Hampea appendiculata, details, all at Estación Biológica Monteverde, 1530 m. 23, 24 Galls on primary leaf veins of young leaf, respectively adaxial and abaxial view, 8 June 2016 25 Old gall found at axillary leaf bud, same date 26 Longitudinal cut of mature gall with late instar larva in situ, 20 October 2001 27 Transversely cut leaf (young gall in middle) showing gall chamber and frass mass line, 24 October 2001 28 Late instar larva in situ, note packed frass in gall chamber, same date 29 Late instar larva, dorsal view, slightly ex situ after gall dissection, 4 April 2015.