NO. 1930. DESCRIPTIONS OF NEW SAWFLIES—ROHWER. 249 



hind tarsi pale brown) yellowish-white. Wings hyaline; venation 

 pale brown, costa darker. Face without dense pubescence. 



Male. — Length 3.5 mm. Hypopygidium truncate apically. Hind 

 tarsi all pale. 



Fort Lee, New Jersey. Ten females and 1 male bred from larvae 

 collected September 3, 1895, on new shoots, from a stump of Carya 

 porcina Nuttall (pignut hickory). Larvae collected and adults bred 

 by Dr. H. G. Dyar. 



Type,— Cat. No. 14421, U.S.N.M. 



ACORDDXECERA NIGRATA, new species. 



Related to A. caryse Rohwer, but easily separated by the clypeus 

 not being depressed apically. 



Female. — Length 4.5 mm. Labrum angulate apically; clypeus uni- 

 formly convex; supraclypeal area flat; antennal furrows complete to 

 lateral ocelli where they form shallow depressions ; a punctiform fovea 

 on the postocellar line behind the anterior ocellus; postocellar line 

 longer than the ocellocular line; first joint of the flagellum longer 

 than the second. Black ; clypeus, labrum, mandibles (apices piceous) , 

 palpi, legs below bases of coxae (except hind tarsi which are dark 

 brown) yellowish-white. Wings hyaline (slightly dusky below 

 stigma); venation pale brown, costa darker. Face without white 

 hair. 



North Fork of Swannonoa River, Black Mountain, North Carolina. 

 Two females collected in May by N. Banks. Castle Rock, Delaware 

 County, Pennsylvania. One female collected May 26, 1908. Re- 

 ceived from V. A. E. Daecke. 



Type.— Cat. No. 14422, U.S.N.M. 



Paratype. — Collection of N. Banks. 



2. Ocellar basin obsolete. 



C. Middle fovea present. (First joint of the flagellum longer than 

 the second.) 

 d. Postocellar line subsequat with the ocellocular line. 



ACORDULECERA PORTI.ffi, new species. 



Related to A. munda MacGillivray, but may be separated by the 

 entirely black abdomen and black pronotum. 



Female.— Ijength 4 mm. Labrum obtusely angulate anteriorly; 

 clypeus broadly depressed apically, basally convex; supraclypeal area 

 flat; middle fovea elongate and nearly confluent with the distinct 

 frontal furrow; antennal furrows complete to ocelli, where they form 

 shallow depressions; apical two joints of the flagellum subequal. 

 Black; apical margin of clypeus, labrum, mandibles (except piceous 

 apices), tegulae, legs (except the black hind tarsi), yellowish-white. 

 Wings dusky hyaline; venation pale brown, costa darker. Face 

 without dense pubescence. 



