MAY FLIES AND MIDGES OF NEW YORK 



325 



5 Caudal end of larva. x25 

 Caudal end of pupa. x25 

 7 Dorsal aspect of abdominal segments of pupa. 



x25 



Tanytarsus exiguus 



8 Larva. x20 



9 Fibrous case of larva and pupa. x6 



11 Dorsal aspect of second abdominal segment of pupa. xlOO 



12 Ventral aspect of mouth parts of larva: 1, labium; md, mandible; 



mx, maxilla ; p, palpus. x400 



13 Antenna of larva. x250 



14 Latero-ventral aspect of head of larva: a, antenna; md. mandible; 



mx, maxilla ; 1, labium 



15 Caudal end of pupa (male). xlOO 



9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 



PLATE 27 



Procladius pusillus 

 P r o (? I a d i u s c a 1 i g i n o s u s 

 Procladius pinguls 

 Procladius scapularis 

 Ablabesmyla came a var. c. 

 Ablabesmyia monilis 

 Tanypus stellatus 

 Ablabesmyia venusta 

 Ablabesmyia dyari 

 Ablabesmyia melanops 

 Ablabesmyia flavifrons 

 Ablabesmyia indecisa 

 Ablabesmyia indecisa (after Williston) 

 Ablabesmyia pallens, var. a. 

 Tanypus culiciformis 

 Chasm atonotus bimaculatus 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



Ifi 



17 



Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 

 Ch 



PLATE 28 



r o n o m u s b r a c h i a 1 i s 



ronomus scalaenus 



ronomus spilopterus ( after Williston ) 



ronomus t-a e n i a p e n n i s 



ronomus caliglnosus 



ronomus flavicingula 



ronomus halter a lis 



ronomus fa 11 ax 



ronomus riparius 



ronomus barbipes 



ronomus annularis 



ronomus alblmanus ( male) 



ronomus alblmanus ( female) 



ronomus devinctus 



ronomus nigricans 



ronomus p e d e 1 1 u s 



ronomus a b e r r a n s 



