54 University of Michigan 



One of the characteristic dune species. It is most abundant 

 in the beach grass and bunch grass habitats, but is also com- 

 mon in sandy fields covered with sparse, dry grass among 

 and behind the dunes. Specimens were also taken in open 

 pine and oak groves in the dunes, in the grass and low under- 

 growth among the trees. 



The first adult specimen was taken July 4; the specnes was 

 still very abundant in the bunch grass areas at New Buffalo 

 on vSeptember 9. Hancock records it as taken in August and 

 September 18 at Lakeside. 



In a series of fifty specimens chosen at random the colora- 

 tion of the hind tibiae is as follows : 26 red, 3 yellow, 4 brown- 

 ish or purplish, i with blue base and red distal end, 16 blue. 



Melanoplus confusits Scudder. 



Warren Woods, June 20 to July 4, 1919, 20 males, 31 females; July 

 3 to 16, 1920, 20 males, 11 females. 



This species is common '.n fields and pastures of bluegrass 

 in the vicinity of the Warren Woods Preserve. It is most 

 numerous near the borders of the woods and in their o]:)en, 

 grassy margins, where in some places it was found to equal 

 or surpass Melanoplus mcxicaniis atlanis in numbers. It was 

 taken on several occasions in the large pasture on the south 

 side of the preserve and on grassy roadsides ''n the vicinity. 



This species was taken September 18 at Lakeside by 

 Hancock. 



Melanoplus keeleri luridus (Dodge). 



Warren Woods, August 30 to September i, 1919, 4 males, 12 females; 



July 16 to September 7, 1920, 3 males, 4 females. 

 Sawyer Dunes, August 31. 1919, 6 males, 7 females. 

 New Bufifalo, September 2. 1919, 8 males, 6 females ; September 9, 



1920, 3 males, 3 females. 



In the latter part of the season this species was common in 

 grassy fields of second growth scrub, in the open, grassy mar- 



