MAY FLIES AND MIDGES OF NEW YORK 329 



Eretmoptera (after Kellogg) 



15 Foot of imago 



IG Palp of imago 



17 Labium of imago 



18 Hypopbarynx of imago 



19 Labium-epipbarynx of imago 



20 Ilaltere of imago 



21' Dorsal aspect of tbe male 



22 Antenna of male 



23 Antenna of female 



24 Male genitalia 



Didymorphleps (after Weyenbergh) 



25 Wing of imago 



Burmeisteria (after Weyenbergli) 



26 Wing of imago 



27 Lateral aspect of bead and tliorax of male 



28 Ilaltere 



Stenoxenus (after Coquillett) 



29 Wing of female 



PLATE 36 

 Corynoneura lemnae (after B'rauenfeld) 



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 Tbeobald) 



13 Dorsal aspect of female (after Carpenter) 



Diamesa culicoides (after Heeger except fig.l4) 



14 Lateral asjiect of larva (after Brauer) 



15 Dorsal aspect of larva 



16 Ventral aspect of pupa 



17 Lateral aspect of pupa 



18 jNIandible of larva 



19 Labium of larva 



20 iMaxilla of larva 



21 Labrum of larva 



22 Antenna of larva 



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



24 Claw of bind foot of larva 



25 Anterior prolog of larva 



