FUNGUS GNATS OP NORTH AMERICA. 283 



Terr.;" Mt. Ascutney, Vt., (C.W.J.) ; Traveler's Alt., Me., 

 (J. A. Ctishman), July. P^ - 



7. Leia cuneola Adams. 

 Kansas Univ. Science Bui. II. 25. 1903 (Neoglaphyroptera). 

 Female. Length 4 mm. Yellow, shining; vertex with a 

 transverse black line, occiput with a reddish cast and sparse 

 yellow pile, antennae, except base, dark brown ; mesonotum 

 with 3 shining black stripes, the 2 lateral ones nearly as broad 

 as long, the middle one wedge-shaped, scarcely reaching the 

 middle of the dorsum, pile yellow, scutellum yellow, with 2 

 long yellow bristles ; pleura black, yellow above anterior coxae, 

 metanotum black, halteres yellow ; abdomen shining black, ex- 

 cept narrow lateral margins, apex and venter, w^hich are yel- 

 lowish, pile very short and yellow ; legs yellow, a small spot 

 on trochanter, extreme tip of posterior femora, of tibiae, and 

 tarsi in large part, fuscous ; wings hyaline, a brownish fascia 

 traversing the wing, starting about midway between tip of first 

 vein and apex of wing. (Fig. 197). "Colo.. August." Pol- 

 lock, Ida. (J.M.A.) July. 



8. Leia amabilis Williston. 

 Biolog. Centr. Amer. I. Suppl. 219. 1900 (Neoglaphyroptera). 



Male. Length 4 mm. Head yellow. Antennae longer than 

 the head and thorax together; black, the scape and first 3 or 

 4 joints of the flagellum yellow. Thorax yellow, mesonotum 

 with a large, deep, shining black spot on each side, leaving a 

 •narrow median stripe and front part yellow. Metanotum and 

 mesopleura shining black; immediately subjacent to the root 

 of the wings the color is blackish. Abdomen brownish-black, 

 with the anterior margin of each segment and the venter yellow. 

 Legs yellow; the tip of the hind tibiae and the tarsi brownish; 

 front tarsi nearly 2.5 times the length of the tibiae ; the tibiae 

 harily longer than the metatarsi. Wings lightly tinged with 

 brownish ; Cm separated at its origin from the vein. 



Female. Head above black. The yellow of the mesonotum 

 has an elongated black spot or stripe in the middle, narrowed 

 to a point, and separated from the same color of the sides by a 

 slender, curved, yellow stripe, posterior half of the pleura black. 

 "Wrings with a brownish crossband distally. Abdomen almost 

 wholly black. "Mexico." 



