Aprils! line, 1920 Bulletin Brooklyn Entomological Society 83 



fuscous on the posterior part. Membrane narrow, about five 

 times as long as it is wide, very lightly irrorate with fuscous, 

 marked off from^ the corium by a black line. Hemelytra nude, 

 without hairs. 



Sterna, cox£e, and trochantera fuscous ; mesosternal xyphus 

 yellow, inf uscated at base ; pleura whitish. Legs yellow, tips 

 of middle tarsi and hairs on the hind legs embrowned. Middle 

 tarsus about twice as long as the claws and about one fourth 

 shorter than the tibia. Male abdomen blackish, marked with 

 yellow above. Female abdomen green in life, apical segment 

 brownish. 



Male pala as long as the femur, and about 2^ times as long 

 as the tibia ; apical claw ligulate, nearly half as long and about 

 half as wide as the pala. Female pala three times as long as 

 the tibia ; claw slender, finger-like, half as long as the pala. 

 Pala with about seven long bristles on each side, in both sexes. 



Holotype and allotype : J^ and 2 respectively, collected near St. 

 Paul, Minn., January 15, 1919, in ice (R. F. Hussey) ; in coll. 

 Museum of Zoology, University, of Michigan. 



Paratypes: 9 J^J* and 20 55, topotypic, Sept. 23 and Oct. 8, 

 1918, Jan. 15, Nov. 17, and Nov. 24, 1919, Jan. 9 and Jan. 17, 

 1920. Also 5 cfd" and 6 55, Fort Totten Lake, N. D., Aug. 7, 

 1919 (C. Thompson). In colls. University of Michigan Museum 

 of Zoology, University of Minnesota Division of Entomology, 

 J. R. de la Torre-Bueno, H. B. Hungerford, H. M. Parshley, and 

 R. F. Hussey. 



The description given above was drawn up from specimens 

 studied under the binocular microscope, and the comparative 

 measurements were made with an ocular micrometer in one of 

 the eye-pieces. 



For the excellent drawings which accompany this paper, I wish 

 to thank Miss Carol Young, art assistant in the Department of 

 Animal Biology of the University of Minnesota. 



Explanation of Plate. 

 A. Cymatia americana n. sp., 5, X 7^A- 



B and C. Fore legs of male and female respectively, X 3i- (Drawn 

 from legs cleared and mounted in balsam.) 



