SCARAB BEETLES CARTWRIGHT 



519 



Figure 1.— Distribution in the United States of: Bothynus gibbosus gibbosus (DeGeer) 

 (•); B. g. obsoletus LeConte (H); and intermediates of the two (X). 



The species inhabiting the United States and Canada supei-ficially 

 are of two forms, the large, dark colored, more elongate species typified 

 by relictus (Say), and the smaller, shorter, reddish brown species 

 closely allied to gibbosus (DeGeer). Intermediate forms occm* in 

 (Central and South America. Several subgenera may be represented 

 but their limits cannot be defined until a more complete revision of 



Figure 2. — Distribution of Bothynus neglectus LeConte in the United States. 



