CICADELLINAE : PART I. PROCONIINI 261 



5. Basal sclerite of anal tube with apex as in figure 250. 



A. obscurior (Fowler) 

 Basal sclerite shaped as in figure 251 . . A. flammeicolor (Fowler) 



6. Styles truncate apically, not extending as far posteriorly as apex of 



connective A. balloui, new species (p. 266) 



Styles not truncate apically, extending posteriorly beyond apex of 

 connective 7 



7. Connective Y-shaped, with arms widely diverging, each arm not 



much shorter than stem . . A. virescens (Metcalf) (fig. 254) 



Connective linear or elongate Y-shaped, the stem very much 



longer than the arms 8 



8. Aedeagal shaft short, nearly crescentiform, broadest at midlength 



in lateral aspect 9 



Aedeagal shaft with none of the above characters .... 10 



9. Aedeagal shaft bifid at apex. 



A. flavoscutellata (Signoret) (fig. 255) 

 Aedeagal shaft not bifid at apex. 



A. nigriceps (Signoret) (fig. 256) 



10. Aedeagus with ventral margin concave basally 11 



Aedeagus in lateral aspect with ventral margin convex in basal 



half 12 



1 1 . Aedeagus with ventral portion of atrium extended ventrally ; 



plates extending as far posteriorly as pygofer apex. 



A. gracilis (Osborn) (fig. 257) 

 Aedeagus with ventral portion of atrium not extended ventrally; 

 plates not attaining posterior pygofer margin. 



A. hastata (Walker) 



12. Aedeagus biundulate and bifid in apical one-sixth. 



A. flagellata, new species (p. 262) 

 Aedeagus not so 13 



13. Aedeagus bifid in apical half of length. 



A. terminalis, new species 

 Aedeagus bifid only at extreme tip. 



A. flaveoloides, new species (p. 265) 



Acrogonia terminalis, neiv species 

 Figure 259 



Length of male 8.5 mm.; of female 10.0 nwn. Head with median 

 length of crown less than transocular width, without an M -shaped 

 elevation bordering posterior margin, disc not strongly concave, an- 

 tenna! ledges in lateral aspect carinate dorsally, clypeus very slightly 

 flattened medially, face not pubescent. Pronotum not punctate, with 



