204 FAMILY V.— ACRIDIIN^. 



luteo-testaceous, above rather broadly bi-fasciate with black- 

 ish fuscous, often confluent along the 

 middle of the outer face and then 

 more or less suffusing the whole face 

 excepting below, which with the 

 under surface is dull luteous, occasion- 

 ally tinged more or less distinctly 



Fig. 129.— Me/anop/us lu- with om n crp the sides of the p-eni- 

 r/(yus, tip of male abdomen, WlLii uraiJgC, LUC blUCt) Ol LUC geiJl 



Original. culatiou almost wholly fuscous; hind 



tibiae red, rarely with a very narrow, basal, fuscous annu- 

 lus, the apical half of the spines black, ten to twelve in num- 

 ber in the outer series. Extremity of male abdomen as 

 shown in Fig. 129. 



Length of body, male, 19 mm., female, 27 mm.; antennae, 

 male, 8.5 mm., female, 9.5 mm. ; tegmina; male, 14 mm., fe- 

 male, 17 mm.; hind femora, male, 10.75 mm., female, 

 13.5 mm. 



Many specimens were captured near the Experiment Sta- 

 tion at St. Anthony Park; a male is shown in Fig. 128. 



Melanoplus differentialis Uhler. 

 The largest of our species of Melanopli and heavy bodied; 

 excepting the hind legs and the lateral lobes of the pronotum, 

 the general color is nearly uniform, brownish testaceous. The 

 head has sometimes a pair of dusky, divergent stripes, passing 

 from the posterior corners of the fastigium backward across 

 the vertex and, when these are present, there are often other 

 but irregular streaks of similar tint on the genas and clouds 



over parts of the face; the vertex is 

 genth^ arched, more gentl}' in the 

 female than in the male, with a 

 broad interval between the eyes, 

 the fastigium broadly and not very 

 deeply impressed ; frontal costa 

 broad but narrower than the in- 

 Fig. 130.— Me/anop/us dif- tcrspacc bctwcen the eyes, percur- 



fereiitialis, tip of male abdo- , , ^ i' i j^ 



meti. Original, rcut, cqual cxccpt for a slight ex- 



