7. Thysanoptera. Mouth beaklike but with palpi (= our Thysanoptera).
8. Hemiptera. Mouth parts forming a beak for sucking. No palpi (= our Hemiptera).
The above eight Orders form the group Ametabola, while the following eight constitute the Metabola:—
9. Neuroptera. Wings net-veined; metamorphosis complete (= a small part of our Neuroptera).
10. Mecaptera. Wings long and narrow (for a small part of our Neuroptera; the Panorpatae of Brauer).
11. Trichoptera. Wings not net-veined (= our division of Neuroptera with the same name).
12. Coleoptera. Fore wings sheathing the hinder ones (= our Coleoptera).
13. Siphonaptera. Wingless, parasitic. Flea (= a division of Diptera).
14. Diptera. One pair of wings (= our Diptera after subtraction of Siphonaptera).
15. Lepidoptera. Four wings (and body) scaled (= our Lepidoptera).