1B6 NEW YORK STATE MUSEUM 



KEY TO SPECIES OF ABLABESMYIA 



Larrar 



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

 flffl Labium with five teetli 



b Several claws of the posterior feet stouter and conspicuously darker 

 colored than the others, pi. 19, fig.l4. Antennae over three times as 



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



hb Claws of posterior feet all the same color 



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

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



hairs P r o c 1 a d i u s a d u m b r a t u s (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; pi. 20, fig.G 4. e a r n e a 



dd Not as above 



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

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



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



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

 pi. 19, fig.l 10. f 1 a V i f r o n s n. sp. 



Pupae 

 a Swimming paddle rounded, not sharply notched at apex 



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

 paddle as shown in pi. 20, fig.-l 



P r o c 1 a d i u s ad u m b r a t u s (q. v. ) 

 bb Trun^pet short (pi. 19, fig.3) ; swimming paddle as shown on pi. 19, 



fig.4 P r o c 1 a d i u s p i n g u i s (q. v.) 



au Swinnning paddle with two pointed lobes 



b Thoracic respiratory organ (tnmipet) egg-shaped, with very small 



aperture, pi. 19, fig.13 0. m o n i 1 i s 



hb Breathing organ funnel or club-shaped 



c Breathing organ club-.shaped, pi. 19, fig.2. .10. f 1 a v i f r o n s n. sp. 

 cc Breathing organ not of this tyi>e 



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



fig.G. Trumpet as shown in fig.7 10. d y a r i 



dd Swimming paddles quite pointed 



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



and 19 22. f a s t u o s a 



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



iDHtgillCS 



a Wings clouded (banded or spotted) 

 b Legs nearly uniform in color 



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

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

 21/, to 4 mm 2. bifasciata 



