476 



SYSTEM A CERAMBYC1DARUM • 



11 e GROUPE ACANTH1NODERITJE. 



a* $ Formis coloribusque valdè dissimiles ; mi- 

 nor, corpus f ulvum, prothorax cincinatus ; $ major, 

 ampla, nigra, nitida, elytra abdomine breviora, tarsi 

 nec scopigeri : Acanthinodera. 



(p. 295.) 



42 e GROUPE. CTENOSCELITjE. 



\. Antenn. art. l«s elongatus, gracilis : 



X Pedes pl. m. ve spinosi : 



§ ci* 2 Pedes antici tibiseque inter. et post. spi- 

 nosa : (his spinis apud <£aliq. obsoletis :) 



+ Prothorax minus valdè dissimilis : 



a* Antennse valdè elongatse, simplices ; prothorax 

 later. utr. parte bi-hammatus; a* pedes antici valdè 

 elongati : 



§§• o* $ Pedes omnes subtus biseriatim spinosi ; 

 (his spinis apud $ minus conspicuis :) 



Faciès Mecosarthronis, sed major et multum magis 

 elongatus ; ant. corp. 3am partem post. attingentes, 

 graciles, artic. 1° tertio breviore; mandibulœ elon- 

 gatse, paulô subtus curvatse, intus 4-dentatee; elytra 

 valdè elongata, subdepressa ; pedes antici paulô elon- 



Antennsu artic. i us tertio valdè longior, intus den- 

 tatus; artic. 3° seq. vix longiore; pedes antici 

 robusti : 



+ + b* 2 Prothorax magis valdè dissimilis : 

 Faciès inter Mecosarthronem et Ctenoscelem ; an- 

 tennse art. 3 US primo multum longior ; prothorax 

 angulis later. anticis haud productis, posticisque 

 spinosis et valdè lunatis ; elytra nec lateraliter dila- 

 tata: 



Gh Ancistrotns. 



(p. 295.) 



Or. Xixuthrus. 

 (p. 296.) 



GK Mecosarthron. 



(p. 296.) 



G. Ialyssus. 



(p. 296.) 



