8CUDDER. NORTH AMEFJCAN CEUTHOPHILT. 29 



h^. Body with conspicuously contrasted colors; hind 



femora of ^ relatively slender, less than three and 



a quarter times as long as broad . 46. discolor. 



g^. Hind tibiae of $ less than one tenth longer than 



the femora. 



h}. Hind femora of $ with no raised points on the 

 upper distal half. 



i^. Outer carina of hind femora of $ almost 



unarmed ; markings of the body more or less 



marmorate or maculate. 



j^. A broad continuous light dorsal stripe on 



pronotum, usually extending over the whole 



thorax. 



k^. Hind tibial spurs distinctly marked with 



black at base ; ovipositor twice as long as 



fore femora 27. latens. 



P. Hind tibial spurs at most indistinctly 

 infuscated at base ; ovipositor shorter than 



fore femora 31. tenehrarum. 



j^. A narrow and very unequal light dorsal 

 stripe on pronotum, interrupted^ if present, on 



rest of thorax 38. bruneri. 



i-. Outer carina of hind femora of $ finely and 

 closely serrate ; dark markings of body confined 

 to transverse borderings of the segments. 



48. vinculatus. 

 h'-. Hind femora of $ with a greater or less num- 

 ber of raised points on upper distal half. 



^^ Hind femora of $ with only a few distant 

 recumbent spines on outer carina. 

 j^. Hind tibiae of c? a tenth longer than the 

 femora; spurs fully twice as long as tibial 



depth 44. vinguis. 



j'^. Hind tibife of $ less than a tenth longer 



than the femora ; spurs much less than twice 



as long as tibial depth . . 40. mexicanus. 



p. Hind femora of ^ with numerous denticula- 



tions on the outer carina, forming a more or less 



close serration. 



J^. Ovipositor relatively short, at most but 



little more than half as long as hind femora. 



