DISEASE-BEARING AMERICAN MOSQUITOES 



33 



Fig. 33. — Larva of Anopheles punctipennis. (After John B. Smith, New Jersey 



Agricultural Experiment Station*.) 

 1, larva; 2, head above; 3, palpus; 4, mandible; 5, antenna; 6, mentum; 7, 

 anal segments from the side; 8, anal segments from above, showing the two 

 spiracles; 9, one of the scales. All are greatly enlarged. 



