1. mandibular gland 2. pharynx 3. propharyngeal gland       4. postpharyngeal gland 5. brain 6. labial gland
7. esophogas 8. nervous system 9. metapleural gland
10. heart 11. crop 12. proventriculus 13. malpighian vesicles 14. midgut 15. rectum 16. anus 17. dufour's gland 18. poison gland and reservoir

The brain and nervous system are shown in blue, the digestive system in pink, the heart in red, and the glands and associated structures in yellow.