LEONARD HASEMAN. 305 



breadth of the wing; 17-jointed ; basal joint cylindrical, slightly longer than 

 broad; second joint relatively large, globular; third to sevente'enth joint nearly 

 uniform in size, cylindrical, slightly narrowed at each end. Ventral plate 

 squarish at base, finely ciliate, broadly and deeply emargiuate at apex, the ter- 

 minal lobes elongate, with bluntly rounded tips. Ovipositor long and narrow, 

 nearly straight. 



"J/a/e. — Genitalia conspicuous, clothed with gray hair. Inferior appendages 

 elongate, •2-jointed ; basal joint stout, twice as long as broad ; second joint swollen 

 at base, tapering to apex, which is rounded and bears on its dorsal surface a 

 group of six or more stout, flattened setse. Superior appendages as long as infe- 

 rior, 2-joiuted ; basal joint stout, cylindrical ; second joint slender, slightly 

 enlarged basally, curved gently upward." 



Hab. — Congress Springs, California. Reared from aquatic larvae 

 taken by Prof. V. L. Kellogg. 



Pericoma sitchaiia Kincaid. 

 Pericoma sUchana Kincaid, Entomological News, X, p. 33 (1899). 

 "'Male. — Body black, clothed with gray hair. Legs black, clothed with gray 

 hair and scales. Wings ovate, broadly rounded at the tip, the ."vrst simple 

 nervure terminating just before the apex ; bifurcations equidist^i.' from the base 

 of the wing; hair upon the >eiiis .nixed black and white, the black being most 

 pronounced at the apices ^.^ the veins and at the bifurcations ; length of wing 

 2.5 mm.; fringe gray, with a patch of white at the apex. Antennae one-balf as 

 long as the width of the wing, 16-jointed ; joint 1 cylindrical ; joint 2 large, globu- 

 lar; joints 3-16 globular, separated by very short pedicles, the nodes sparsely 

 clothed with gray hair. Genitalia not conspicuous, black, clothed with gray hair." 



ifftft.— Sitka, Alaska. July 12t!i. 



Pericoma bipunctata Kincaid. 

 Pericoma hipHnct"la I'incaid, Entomological News, X, p. 34 (1899). 



'^Female. — Body brown, clothed with white hair. Legs brown, clothed with 

 white hair, some of the latter being long. Wings broadly rounded at the tip, 

 about twice as long as broad, clothed upon the veins with white and black hair, 

 the black most pronounced at the apices of the veins and upon the bifurcations, 

 the white most evident near the base and toward the apex, where there are 

 small, irregular patches of this color; fringe black, except a spot extending from 

 the apex of the third longitudinal vein to the end of the seventh, and a small 

 patch between the eighth and ninth vein, which are white ; bifurcations equi- 

 distant from the base of the wing; antennae 17-jointed; joint 1 rather large, 

 cylindrical ; joint 2 broader than 1, globular; joints 3-17 fusiform, clothed with 

 scattered white hairs; joints 3-4 bear dorsally a row of strong, erect, black setse. 

 Ventral plate squarely produced, slightly emarginate at apex. 



"Male. — Genitalia conspicuous, black, clothed with white hair." 



Hab. — Seattle, Washington ; Santa Cruz Mts., California. 



Pericoma olympia Kincaid. 

 Psychoda olympia Kincaid, Entomological News, VIII, p. 144 (1897) ; Kin- 

 caid, Entomological News, X, p. 31 (1899). 

 "Length 2 mm. — Body brown, densely clothed with dark gray hair. Legs 

 brown, clothed with dark gray hair ; a number of long white hairs scattered over 



TKANS. AM. KNT. SOC. XXXIII. (39) SEPTEMBER, 1907. 



