FIGURES 15–18. Immature artifacts. 15 in Two new species of clearwing moths (Lepidoptera: Sesiidae) from Taiwan

FIGURES 15–18. Immature artifacts. 15. Galls induced by infection of Ceratocorema woodstocki Liang & Hsu sp. nov. immature on stem of Viburnum luzonicum. 16. Mature larva of Ceratocorema woodstocki Liang & Hsu sp. nov. in gallery of V. luzonicum, exposed. 17. Swelling of Trichosanthes quinquangulata stem by the presence of Melittia tao Liang & Hsu sp. nov. larva, with slit covered by frass. 18. Cocoon of Melittia tao Liang & Hsu sp. nov.. made from sand grains.