Leseha vespa 31 early stage first instar larva on abaxial blade and feeding scar as hole(s) on young frond (note green internal color of larva) 32 early stage first instar larvae scrape-feeding on abaxial blade of mature frond 33 middle instar larva feeding on sorus on mature tough frond (note brown internal color of larva) 34 last feeding instar larva, lateral view 35 last feeding instar larvae, dorsal view 36 cocoon (ca. 12 mm long) spun on surface of dry, mossy branch (enclosed in oval circle) 37 pupa in situ (cocoon is cut to show pupa).

  Part of: Smith DR, Nishida K (2019) A new genus and three new species of Neotropical sawflies (Hymenoptera, Tenthredinidae) from Costa Rica, with host plants and life history notes. Journal of Hymenoptera Research 72: 45-65. https://doi.org/10.3897/jhr.72.38908