roEncuLA.. 165 



Tahle of Species. 



(Males only.) 



1. Pronotum trapezoidal or rectangular, 

 evidently broader than long. 

 2. Forceps dilated only quite near the 

 base. 

 3. Forceps strongly bowed, generally 



broader than long ; (colour dull [p. 166. 



black) schlaginticeiti, Burr, 



3.3. Forceps nearly straight mogul, Eurr, p. 167. 



2.2. Forceps dilated through at least one- 

 quarter of their length. 

 3. Pronotum strongly rounded pos- 

 teriorly ; dilated part of forceps 



ending in an obtuse tooth beelzebuh, Burr, p. 167. 



3.3. Pronotum gently rounded poste- 

 riorly ; dilated part of forceps 



ending in a sharp tooth aceris, Burr, p. 168. 



l.l. Pronotum as broad as long or slightly 

 transverse, crescent-shaped or sub- 

 quadrate, generally rounded pos- 

 teriorly. 

 2. Pronotum crescent-shaped, sides not 

 parallel, strongly rounded posteri- 

 orly. (Size small, elytra spotted.) 

 3. Strongly pubescent ; forceps feebly 



dilated and gradually attenuated, ornata, Borm., p. 169. 

 3,3. Nearly hairless ; forceps strongly 



dilated and abruptly attenuated . (/reenij Burr, p. 170. 

 2.2. Pronotum subquadrate, .sides parallel 

 (except in F. interroyans), hinder 

 margin straight or gently rounded. 

 3. Forceps dilated near base only .... ambigua, Burr, p. 171. 

 3.3. Forceps dilated through at least 

 one- third of their length. 

 4. Elytra and wings with big pale 



spot lucasi, Dohrn, p. 172. 



4,-l. Elytra and wings not spotted, 

 5. Pronotum large, well produced 

 over elytra ; (elytra and 

 wings long, testaceous ; dila- 

 tation of forceps ending in 



sharp tooth) celens, Burr, p. 172. 



5.5. Pronotum short, scarcely pro- 

 duced over elytra. 

 6. Abdomen nearly parallel- 

 sided ; forceps nearly 



straight interrogans, Burr, p. 173, 



6.6. Abdomen dilated about 

 middle; forceps strongly 

 bowed jjlanicollis, Kirby, p. 174. 



