THE MYCETOPHILID.i; OF NORTH AMERICA. 269 



the media before the tip of R=+= which is short but quite 

 obhque. The antennae are yellow but are infuscated beyond 

 the third joint. Most of the legs, greater part of the antennae 

 and abdomen are wanting in both specimens. 



5. Macrocera immaculata Johnson. 



1902. iininaculata, Johnson. Canad. Ent. XXXIV. 240. 



Male and female. Length 5 mm. Head yellow, vertex 

 brownish; antennae dark brown, the 2 basal joints yellow. 

 Thorax dark yellow, with the anterior margin and humeri light 

 yellow. Abdomen dark brown, shining, with a wide yellowish 

 posterior margin on each segment. Legs yellow, slightly brown- 

 ish at the tips of the femora, tibiae and tarsi; legs and abdomen 

 in the male with fine black hairs, which are less conspicuous in 

 the female. Wings yellowish hyaline, with a slight brownish 

 stigma and very fine hairs. The antennae and posterior legs 

 each about double the length of the body. Pa. and N. Y. 

 (June). 



6. Macrocera ncbuhsa Coquillett. 

 1901. nclmlosa, Coquillett, Proc. U. S. Nat. ]\Iuseum XXIIL 



594- 



Male and female. Length 4 to 5 mm. Yellow, the antennae 

 except the base, three large spots on the pleura, knobs of halteres 

 bases of abdominal segments two to five and whole of abdomen 

 beyond the fifth segment in the male, the base of each segment 

 except the first in the female, also the tarsi, dark brown ; body 

 polished; wings bare, hyaline, marked with four irregular brown 

 fasciae; the first begins .at apex of subcostal vein and extends 

 to the anal angle ; the second extends from apex of Ri to apex 

 of the anal, and is almost, or quite, interrupted in the medial 

 cell; the third extends from R=+3 to apex of Cu., while the last 

 one borders apex of wing and is connected with the preceding 

 one along R1+5 and both branches of the media. Recorded from 

 New Hampshire and New Jersey. 



7. Macrocera hirsuta Loew. 

 1869. hirsuta, Loew, Berl. Ent. .Zeitschr. XTH. 132. 

 Male. Length 5.2 mm. Yellowish, with long black pile. 

 Vertex subfuscous ; antenna; scarcelv one and one-half times as 



