310 ACRIDIIDAE chap, xii 



5. Foveoles superior, open behind. Prosternum irregularly 

 swollen, rarely mucronate. Tribe 8. Pamphagides. 

 (Fig. 184, Xi])hocera asina.) 

 5'. Foveoles lateral or inferior, closed behind or (usually) 

 entirely obsolete. Prosternum distinctly mucronate or 

 tuberculate. Tribe 9. Acridiides. (Fig. 84, Acridium 

 peregrinum ; Fig. 176, Caloptenus spretus.) 



