136 NEW YORK STATE MUSEUM 



KEY TO SPECIES OF ABLABESMYIA 



Larvae 



a Labium with but four teeth, pi. 19, flg.5. ..25. Species from Ithaca, N. Y. 

 aa Labium with five teeth 



& Several claws of the posterior feet stouter and conspicuously darker 

 colored than the others, pi. 19, fig.14. Antennae over three times as 



long as the mandibles 6. m o n i 1 i s 



&& Claws of posterior feet all the same color 



c Antennae rather short and stout (pl.20, fig.l) less than 1.5 times 

 as long as the mandible; sides of abdomen fringed laterally with 



hairs Procladius adumbratus (q. v.) 



cc Antennae over twice as long as the mandibles 



d Teeth of labium of about equal length ; antennae three times as 



long as the mandible, pl.20, fig.6 4. c a r n e a 



dd Not as above 



e Mandible stout at base with distinct tooth near apex; basal 

 joint of antenna about two thirds of total length, pl.19, figs. 16 



and 17 22. f a s t u o s a n. sp. 



ce Antenna with its basal joint over three fourths the total length, 

 pl.19, fig.l 16. f 1 a v i f r o n s n. sp. 



Pupae 

 a Swimming paddle rounded, not sharply notched at apex 



I) Trumpet rather elongate, over four times as long as wide; swimming 

 paddle as shown in pl.20, fig.4 



Procladius a d u in b r a t u s (q. v. ) 

 2)1) Trumpet short (pl.19, fig.3) ; swimming paddle as shown on pl.19, 



fig.4 Procladius pinguis (q. v. ) 



aa Swimming paddle with two pointed lobes 



1) Thoracic respiratory organ (trumpet) egg-shaped, with very small 



aperture, pl.19, fig.13 6. m o n i 1 i s 



&& Breathing organ funnel or club-shaped 



c Breathing organ club-shaped, pl.19, fig.2. .16. f 1 a v i f r o n s n. sp. 

 cc Breathing organ not of this type 



d Swimming paddle rather broad, but little longer than wide, pl.19, 



fig.6. Trumpet as shown in fig.T 10. d y a r i 



dd Swimming paddles quite pointed 



c Paddle and breathing trumpet as shown on pl.19, figs. 18 



and 19 22. fastuosa 



ee As shown on pl.20, figs. 7 and 8 4. c a r n e a 



Imagines 



a Wings clouded (banded or spotted) 

 1) Legs nearly uniform in color 



c Wings uniformly spotted with fuscous ; fuscous species ; the thorax 

 with three dusky stripes ; legs yellow ; length 4.5 mm. ; female. 



(=?decedens Walk.) 1. pictipennis 



cc Smaller paler species ; the wings with few large bars or spots 



d The first fascia of the wing lies distad of the crossvein ; length 

 2i to 4 mm 2. bifasciata 



