REPORT OF THE STATE ENTOMOLOGIST 10,1/ 



175 



by Owen Bryant and at Woodworth's lake in the Adirondack^, 

 altitude 1540 feet, two years later by C. P. Alexander. 



Male. Length 1.5 mm. Antennae nearly twice the length of 

 the body, rather thickly clothed with brown hairs, light brown, 14 

 segments, the fifth with stems two and two and one-half times their 

 diameters, respectively; terminal segment, basal enlargement sub- 

 globular, a slightly divided distal enlargement and a rudimentary 

 terminal prolongation nearly as long, slightly constricted at its base, 



Fig. 72 Karschomyia viburni, fifth 

 antennal segment of male (author's illustration) 



swollen at the basal fourth, subcylindric distally. Palpi; the first 

 segment irregularly subquadrate, slightly expanded distally, the 

 second elongate, oval, nearly twice the length of the first, the third 

 a little longer and more slender, the fourth one-half longer than the 

 third, slender. Face dark brown, mouth-parts pale yellowish; eyes 

 very large, black. Mesonotum rather dark brown with narrow, 

 lighter, submedian lines. Scutellum light brown, clothed with long, 

 brownish, apical setae, postscutellum yellowish. Abdomen light 



