4. First two joints of the tarsi laterally smooth. (Posterior tibiae furnished on each side with an apical spine.) Tribe 1. Phaneropterides. (Fig. 196, Microcentrum; Fig. 199, Myrmecophana. Fig. 101, Poecilimon affinis.)
4′. First two joints of the tarsi laterally, longitudinally sulcate.
5. Foramina of the anterior tibiae normally open. (Fig. 193, A.)
6. Posterior tibiae furnished on each side with apical spines.
7. Prosternum unarmed. Tribe 2. Meconemides.
7′. Prosternum bispinose or bituberculate. Tribe 3. Mecopodides.
6′. Posterior tibiae with no apical spines. (Head prognathous.) Tribe 4. Prochilides. (Fig. 200, Phasmodes.)
5′. Foramina of the anterior tibiae forming a chink, or protected by a scale. (Fig. 193, B.)
6. Anterior tibiae with no apical spines.
7. Margins of the scrobes[[257]] of the antennae prominent. Tribe 5. Pseudophyllides. (Fig. 187, Cyrtophyllus crepitans; Fig. 198, Pterochroza ocellata.)