1897.] 



THE SPECIES OF THE GENUS MELANOPLUS. 19 



Sternal lobes of male twice as long as broad ; hind 



tibiae blue glaucipes. 



H\ Prozona of male transverse; lateral carinse 

 more pronounced on metazona than on prozona ; 

 interspace between mesosternal lobes of male sub- 

 quadrate ; hind tibiae red kennicottii, 



g^. Apical margin of subgenital plate of male con- 

 spicuously elevated above the lateral margins and 

 greatly prolonged posteriorly ; metasternum of male 

 in front of lobes with a central swelling, forming a 

 blunt tubercle (Utahensis series). 



h}. Apical margin of subgenital plate of male en- 

 tire / lobes of furcula not exceptionally broad ; 

 subgenital plate greatly but not excessively pro- 

 longed. 



/\ Interspace between mesosternal lobes of male 

 more than twice as long as broad ; of female a 

 little longer than broad ; male cerci more than 

 twice as long as broad , apical margin of subgen- 

 ital plate, as seen from behind, subtruncate. . . . 



bruneri. 

 i'. Interspace between mesosternal lobes of male 

 much less than twice as long as broad ; of female 

 transverse ; male cerci less than twice as long as 

 broad ; apical margin of subgenital plate, as 



seen from behind, rounded excelsus. 



/^^ Apical margin of subgenital plate of male 

 deeply notched on either side of the middle ; lobes, 

 of furcula exceptionally broad, subequal through- 

 out ; subgenital plate excessively prolonged 



utahetisis.. 

 f\ Apical margin of subgenital plate of male mesially 

 notched (Spretus series). 

 ^\ Tegmina extending beyond hind femora, if at all,, 

 by not more than the length of the pronotum, gener- 

 ally by much less than that ; prozona of male quad- 

 rate or very feebly transverse ; cerci of male gener^ 

 ally almost or quite twice as long as broad. 



lit is occasionally fissured mesially (perhaps in drying), but not properly- 

 notched or bilobed. 



