1. | Tegmina | Forewings |
2. | Tergites | Ventral sclerites |
3. | Labrum | Upper lip |
4. | Hypopharynx | Tongue |
1. | Columnar brush-bordered epithelium and simple cuboidal epithelium |
2. | Cuboidal brush-bordered epithelium and simple cuboidal epithelium |
3. | Cuboidal brush-bordered epithelium and simple columnar epithelium |
4. | Columnar brush-bordered epithelium and simple columnar epithelium |