42 University of Michigan 



August. 1920 (A. H. Eastgate), i female; Buford. July 23, 

 1920, 4 females; Williston, July 24, 1920, 3 males, 2 females; 

 Amidon, Aug. 21-28, 1920, 14 males, 16 females. 



Moderately common throughout the state, locally abundant, 

 on dry, usually sparsely vegetated soils. Specimens were taken 

 on the flats around Devils and Stump Lakes, in dry pastures 

 and grain fields at Bottineau and D'evils Lake, and in brushy 

 clearings and roadside vegetation in the Turtle Mountains. 

 The species was common in the grain fields and waste lands 

 at Bottineau, but was svirpassed in numbers by several others ; 

 elsewhere in the eastern part of the state it was of regular 

 occurrence, but not numerous. In the more arid western part 

 of North Dakota M. packardii seems to be considerably more 

 abundant, to some extent taking the place occupied in the east 

 by 71/. bii'itfatns. It was very common on the grassy uplands 

 in the vicinity of Amidon, as well as on the rocky slopes and 

 summit of Black Butte, on the sparsely vegetated clay slopes 

 and ridges in the '"breaks"' of the Bad Lands, and in the thick- 

 ets of tall herbage growing in the gullies and depressions on 

 the uplands and in the edges of the Bad Lands. 



In a series of 80 specimens the coloration of the hind tibiae 

 is as follows : various hues of blue, 69 ; part blue and part 

 yellow or pink, 2 ; pale yellowish white, 2 ; dark violaceous, 

 nearly black, i ; red or pink, 5. 



Melanopliis cotispcrsits Scudder.-" — Devils Lake, Aug. 26 

 1919, 2 males, i female; Amidon, Aug. 2t,-2S<. 5 males. 4 

 females. 



Apparently a rather scarce species. The only specimens 

 from the eastern part of the state were taken by Miss Olson 

 on the grassy slopes of Sully's Hill on the south shore of 

 Devils Lake. Visits to this locality earlier in the season were 



23 Determination verified by J. A. G. Rehn. 



