MAY PLIES AND MIDGES OF NEW YORK 317 



Bezzia setulosa 



15 Antenna of male imago. x40 



16 Antenna of female imago. x40 



PLATE 19 

 Ablabesmyia flavifrons 



1 Ventral aspect of head of larva: a, antenna; md, mandible; mx, 



maxilla; p, palpus; 1, labium. xlOO 



2 Respiratory organ of the pupa. x50 



Procladius pinguis 



3 Respiratory organ of pupa. x50 



4 Caudal appendage of pupa. xl5 



Ablabesmyia sp. 



5 Labium of larva. xl80 



Ablabesmyia dyari 

 € Caudal appendage of pupa. xl5 

 7 Respiratory organ of pupa. x50 



Ablabesmyia monilis 

 S Pupa. x5 



9 Larva. x5 



Procladius adumbratus 



10 Caudal end of larva. x50 



Ablabesmyia monilis 



11 A pale claw of the posterior proleg of larva. xlOO 



12 A dark claw of the posterior prolegs of larva. xlOO 



13 Respiratory organ of pupa. x40 



14 Ventral aspect of head of larva : a, antenna ; md, mandible ; mx, 



maxilla ; p, palpus ; 1, labium ; h, hypopharynx ; x, lateral process. xlOO 



15 Caudal appendage of pupa. x40 



Ablabesmyia fastuosa 



16 Mandible of larva. xlOO 



17 Antenna of larva. xlOO 



18 Respiratory organ of pupa. x40 



19 Caudal appendage of pupa. x40 



PLATE 20 

 Procladius adumbratus 



1 Ventral aspect of head of larva : a, antenna ; md, mandible ; mx, 



maxilla ; p, palpus ; 1, labium ; h, hypopharynx ; x, lateral process. xlSO 



2 Slender claw of posterior proleg. xl80 



3 Stout claw of posterior proleg. xlSO 



4 Caudal appendage of pupa. x40 



5 Respiratoi'y organ of pupa. xlOO 



Ablabesmyia carnea 



6 Ventral aspect of head of larva : a, antenna ; md, mandible ; mx, max- 



illa ; p, palpus ; 1, labium ; h, hypopharynx ; x, lateral process. xlSO 



7 Respiratory organ of pupa. xlOO 

 •8 Caudal appendage of pupa. x40 



