MAY FLIES AND MIDGES OF NEW YORK 329 



Eretmoptera (after Kellogg) 



15 Foot of i LO ago 



16 Palp of imago 



17 Labium of imago 



18 Hypopharynx of imago 



19 Labiuiu-epipharynx of imago 



20 Haltere of imago 



21 Dorsal aspect of the male 



22 Antenna of male 



23 Antenna of female 



24 Male genitalia 



Didymorphleps (after Weyenbergh) 



25 Wing of imago 



Burmeisteria (after Weyenbergh) 



26 Wing of imago 



27 Lateral aspect of head and thorax of male 



28 Haltere 



Stenoxenus (after Coquillett) 



29 Wing of female 



PLATE 36 

 Corynoneura lemnae (after Frauenfeld) 



1 Lateral aspect of larva' 



2 Anterior prolegs of larva 



3 Posterior prolegs of larva 



4 Caudal end of pupa 



5 Lateral aspect of pupa 



Corynoneura sp. (after Winnertz) 



6 Hind leg of imago 



7 Wing of imago 



8 Palpus of imago 



9 Antenna of male 



10 Antenna of female 



Clunio marinus 



11 Lateral aspect of larva (after Carpenter) 



12 Dorsal aspect of male (after Theobald) 



13 Dorsal aspect of female (after Carpenter) 



Diamesa culicoides (after Heeger except flg.14) 



14 Lateral aspect of larva (after Braner) 



15 Dorsal aspect of larva 



16 Ventral aspect of pupa 



17 Lateral aspect of pupa 



18 Mandible of larva 



19 Labium of larva 



20 Maxilla of larva 



21 Labrum of larva 



22 Antenna of larva 



23 " Underlip " (i. e. hypopharynx) of larva 



24 Claw of hind foot of larva 



25 Anterior proleg of larva 



