120 



NEW YORK STATE MUSEUM 



Male. Length i mm. Antennae fully one-half longer than the 

 body, thickly clothed with coarse setae, dark brown; fourteen seg- 

 ments, the fifth (fig. 19) with stems three and four and one-half 

 times their diameters respectively; the terminal segment, basal 

 enlargement somewhat flattened, the basal portion of the stem 

 produced, the distal enlargement produced, subcylindric and bearing 



Fig. 19 Giardomyia photophila, 

 fifth antenna! segment of male (en- 

 larged, original) 



a slender, spindle-shaped appendage about three-fourths its length. 

 Palpi; probably consisting of four segments. Mesonotum yellowish 

 brown, submedian lines indistinct, sparsely clothed with fine setae. 

 Scutellum reddish brown with sparse apical setae, postscutellum 

 dark brown. Abdomen bright carmine, rather thickly clothed with 

 fine, yellowish setae. Wings (pi. 16, fig. 4) hyaline, costa pale 

 straw, membrane sparsely clothed with fine setae; halteres yellowish 

 transparent basally, reddish fuscous apically. Legs a nearly uniform 

 reddish brown; claws long, slender, bent at nearly right angles, 

 simple. Genitalia (pi. 19, fig. 7); basal clasp segment rather long, 

 a subtriangular lobe basally ; terminal clasp segment swollen at the 

 base; dorsal plate broad, deeply and triangularly incised, the lobes 

 broadly roimded distally; ventral plate stout, swollen at the basal 

 third, tapering, broadly emarginate. Type Cecid. 323. 



Giardomyia emarginata Felt 

 1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 405 

 The bright-red male has the terminal segments yellow, 

 taken July 2, 1906 in a trap lantern at Newport, N. Y. 



It was 



