MAY PLIES AND MIDGES OF NEW YORK 325 



5 Caudal end of larva. x25 



6 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, labiuin ; md, mandible ; 



mx, maxilla ; p, palpus. x400 



13 Antenna of larva. x250 



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



mx, maxilla ; 1, labium 



15 Caudal end of pupa (male). xlOO 



PLATE 27 



1 Proeladius pusillus 



2 Proeladius caliginosus 



3 Proeladius pinguis 



4 Proeladius scapularis 



5 Ablabesmyia carnea var. c. 



6 Ablabesmyia monilis 



7 Tanypus stellatus 



8 Ablabesmyia venusta 



9 Ablabesmyia dyari 



10 Ablabesmyia melanops 



11 Ablabesmyia flavifrons 



12 Ablabesmyia indecisa 



13 Ablabesmyia indeci s a (after Williston) 



14 Ablabesmyia pallens, var. a. 



15 Tanypus culiciformis 



16 Chasmatonotus bimaculatus 



PLATE 28 



1 Chironomus brachialis 



2 Chironomus scalaenus 



3 Chironomus spilopterus (after Williston) 



4 Chironomus taeniapennis 



5 Chironomus caliginosus 



6 Chironomus flavicingula 



7 Chironomus halteralis 



8 Chironomus fallax 



9 Chironomus riparius 



10 Chironomus barbipes 



11 Chironomus annularis 



12 Chironomus albimanus (male) 

 IS Chironomus albimanus (female) 



14 Chironomus devinctus 



15 Chironomus nigricans 



16 Chironomus pedellus 



17 Chironomus aberrans 



