54 NEW NORTH AMERICAN MELANOPLI (oRTHOPTERA) 



Allotype. — 9 ; same data as type. [Hebard Collection.] 



The female sex of the present race differs from males as described for the 

 female of m. aristus on page 51 except that the tegmina are more similar and 

 are always moderately well separated. 4 Interval between the mesosternal 

 lobes less than one and one-half times as broad as long. 5 



Measurements (in millimeters) 

 Length Length Width Length Width Length 



cT 



of 

 body 



Sanderson, Texas (6) . .17-18.8 

 Marathon, Texas, type, 20 

 Marathon, Texas, 



paratypes, (42) 17.4-22.2 



Persimmon Gap, 



Texas, (2) 16.4-17 



Moss Well, Texas, (22) 18-20 



of 



pro- 

 notum 

 4.6-4.8 

 5 



of 



pro- 



notum 



4.1-4.2 



4.8 



of 

 tegmen 



2.8-3.2 

 3.4 



of 

 tegmen 



2.3-2.8 



2.8 



of 

 caudal 

 femur 

 10.1-11.3 

 11.8 



4.2-5 4.1-4.8 3-3.6 2.7-3 10.5-12 



3.8-4 

 4.1-5.1 



3.7-3.9 

 4-4.9 



2.6-3 

 3-3.6 



2.3-2.4 



2.6-2.9 



9.8-10.4 

 10.4-12 



Sanderson, Texas, (7) 19.3-25 5-6 4.8-5.4 3-4 2.7-3.3 11.3-13.8 

 Marathon, Texas, 



allotype, 26.3 6.2 5.9 4 3.3 14 



Marathon, Texas, 



paratypes, (42) .... 22.2-27.2 5-6.7 5-6.3 3.2-4.3 2.8-3.3 12.3-14.2 



Pine Mountain, Tex., 28 6 6 4.2 3.4 14 

 Persimmon Gap, 



Texas, (4) 19.2-24.2 4.8-5.6 4.5-5.2 3-3.8 2.8-3.1 11.5-13.7 



Moss Well, Tex., (19)22.3-28.6 5.1-5.9 5-5.9 3.9-4.2 2.8-3.3 12.1-13.8 



For convenience in comparing the measurements, we give the following for 

 the type of modestus modestus Bruner, a female from Lerdo, Durango, Mexico. 

 Length of body, 31.1; length of pronotum, 6.9; width of pronotum, 6.5; length 

 of tegmen, 4.9; width of tegmen, 3.7; width between tegmina, 2.3; length of 

 caudal femur, 15.8; width of caudal femur, 4.8 mm. 



The extremes of caudal femoral width are; d\ 3 to 3. 8; 9 , 3. 1 to 4. 4 mm. 

 The variation in width of the interval between the tegmina is; d\ .1 to .8; 9 , 

 .8 to 1.7 mm. 



In general coloration the present race agrees closely with modestus aristus, 

 except that the majority of specimens have the general coloration darker, 

 sayal brown, sometimes as deep as suffused bister. In consequence, the 

 markings are less striking and the general appearance not as brilliant. The 

 dark markings of the pronotal disk show decidedly less curvature, in the 

 great majority of specimens being subparallel and in a few of maximum in- 



4 Varying in the large series at hand from .8 to 1.7 mm. 



5 Varying in the series to very slightly broader than long, thus showing anew 

 that this space is individually decidedly variable in the Melanopli, and can 

 certainly not be used as of high generic or specific significance as was supposed 

 by Scudder. 



