FUNGUS GNATS OF NORTH AMERICA. 307 



e. Cubitus forks about opposite middle of petiole of media. 



I. manca n. sp. 

 ee. Cubitus fork" distad of middle of petiole of media. 



4. recens n. sp. 



1. Cordyla manca n. sp. 



Male and female. Length 3 mm. Head and antennae brown^ 

 base of the latter and last 2 joints of palpi yellow, large palpal 

 joint dark brown; antennae of male 2-^13, of female 2-I-9 

 jointed. Thorax, abdomen and legs yellow, the mesonotum 

 more dusky with indications of 3 stripes ; posterior tergites 

 dusky yellow to brown', posterior margins yellow ; tibial spurs 

 and tarsi brown; setse black; hypopygium small (Fig. 115). 

 Wings grayish hyaline, costal cell brown (Fig. 224). Halteres 

 yellow. Ithaca, N. Y. 



2. Cordyla scita n. sp. 



Male. Length 2.5 mm. Fuscous ; last 2 joints of palpi^ 

 coxae, femora, tibiae and halteres yellow ; wings grayish hyaline, 

 costa cell dusky yellow (Fig. 225) ; tibial spurs and tarsi brown. 

 Antennae 2-f-i3 jointed; hypopygium small (Fig. 116). Friday 

 Harbor, Washington (J.M.A.), July. 



3. Cordyla volucris Johannsen. 

 Genera Insectorum ; Fasc. 93. loi. 1909. 

 Male and female. Length 2.5 mm. Fuscous; base .of each 

 antenna, last 2 palpal joints, coxae, femora, tibiae and halteres 

 yellow; wings grayish hyaline, costal cell more grayish (Fig. 

 226) ; tibial spurs and tarsi brown. Antennae of male 2+12, 

 of female 2-]-io jointed; hypopygium small (Fig. 20, pi. 7 

 Genera Insectorum, Fasc. 93). (Fig. 117). Bred from larvae 

 found in fungi. . Ithaca, N. Y., Sept. 



4. Cordyla recens n. sp. 

 Male and female. Length 2.5 mm. Fuscous; base of an- 

 tennae, last 2 palpal joints, humeri, ventral segments 2, 3 and 

 part of 4 of abdomen, coxae, femora except tip of hind pair, 

 tibiae and halteres yellow ; tibial spurs and tarsi brown ; wing's 

 grayish hyaline, costal cell dusky yellow to grayish (Fig. 227). 

 Antennae of male 2-|-io, of female 2-I-9 jointed; hypopygium 

 small (Fig. 118). Ithaca and Caroline, N. Y., June, July. 



