132 THE CANADIAN ENTOMOLOGIST. 



loo (2). Polygnotus baccharicola, n. sp. ^ 



Male and female. Length, .03 to .06 inch. Black, poHshed. Differs 

 from the above species in its smaller size, more slender form and in hav- 

 ing uniformly colored dark red legs. The femora are not black. 



Hab. — Florida. 



Described from numerous specimens reared from a Cecidomyious gall 

 ( Cecidomyia baccharicola Ashm. MSS.) 



LXVI. Flatygastcr, Latreille. 



loi (i). Platygaster paUipes Say, Leconte's Ed. Say's Works, I., p. 

 383. Hab. — Indiana. 



102 (2). Platygaster Canadensis Prov. Add. et Corn a la Faune 

 Hym., p. 181. Hab. — Canada. 



T03 (3). Platygaster error Fitch. Sixth Rep. N. Y. State Agr. Soc, 

 p. 818. Hab.— New York. 



104 (4). Platygaster Herricki Packard. Third Rep. U. S. Ent. 

 Comm., p. 220. Hab. — Western States. 



105 (5). Platygaster Floridensis, n. sp. 



Female. Length, .06 to .07 inch. Black, polished, more slender than 

 Platygaster niger Nees. Antennae and legs of a uniform pale yellowish- 

 brown. Mesothorax smooth. The scutellum is convex, broader than 

 long, and is not separated from the mesothorax by a deep transverse 

 groove, as are the species in the genus Polygnotus, sparsely pubescent 

 towards tip. Wings hyaline. 



Hab. — Florida. 



106 (6). Platygaster graeilis, n. sp. 



Male. Length, .05 inch. Very slender, polished black. Antennae 

 filiform, black, scape at base pale brown. Legs reddish, femora obfus- 

 cated. Wings hyaline. 



Hab. — Florida. 



The new genus recognized in this family will be described in another 

 paper, when I hope to be able to give a good illustration of its peculiar 

 characters. 



