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American Midland Naturalist Monograph No. 3 



Fig. 43. Megarhinus rulilus Coquillett and M. sepienlrionalis Dyar and Knab. A, 

 Fore tarsus of M. ruiilus. B, Head of M. sepienlrionalis (male). C, Scutum and scutel- 

 lum of M. septenlrionalis. D, Male terminalia of M. septentrionalis. 



