120 
frontal crest moderately developed, obtuse; fovea shallow, elypeus 
truncate; antennae moderately stout, scarcely tapering until near tip, 
third joint not, or scarcely, longer than fourth; venation normal, except 
that the first cubital is hyaline : sheath with dense fringe of hairs; claws, 
with rather large inner tooth, approaching bifid. Color black, shining: 
apex of elypeus, labrum. pronotum, teguhc, abdomen, and legs for 
the most part reddish yellow; basal segment of abdomen, narrow line 
down center of dorsum of following segments, more or less interrupted 
at sutures, black; posterior tarsi and extreme tips of posterior tibiae 
black: bases of all coxa 1 black; band on mesonotum, just above 
scutellum, rufous; wings hyaline, or nearly so: veins and stigma dark 
brown; spot in second cubital cell large and prominent. 
Four females. Washington. (Colls. U. 8. Xat. Mus. and Am. Bnt. 
Soc.) 
It. Pristiphora bivittata Norton. 
1861. Nematua bivittatua Norton. Proe. Boston Soc Nut. Hist., vni., p. 158. 
1867. Nematua bivittatua Norton. Trans. Am. Ent. Soc. i. p. 219. I ( at., etc., p. SI.) 
1S7S. Nematua bivittatua Provancher. Nat. Can.. \. p. .".(>. 
L883. Nematua bivittatua Provancher. Faun. Ent. Can. Ilvm., p. L88. 
Female. — Length 6.5 mm.; robust, shining; head densely and linely 
tuberculatc-granulate. opaque, clothed with sericeous hail's; elypeus 
nearly squarely truncate; ocellar and frontal ridges almost wanting; 
antenna! fovea shallow, tapering anteriorly, indistinct: antenna' very 
robust, last four joints tapering somewhat suddenly, third to fifth joints 
Subequal, more robust; sheath not very broad, obtusely pointed, scopa 
not very long but dense: cerci short, tapering; claws with rather long 
inner tooth; intercostal anterior to basal and almost at right angles 
With cost a: wings otherwise normal; first transverse cubital wanting; 
stigma ovate at base, tapering regularly to apex. Color in general 
reddish orange; elypeus, labrum, bases of mandibles, inclined to pallid; 
head above elypeus and antenna', stripe on lateral lobes of mesonotum 
and sometimes on anterior lobe, scutellum, me tanotum, lateral dorsal 
angle of first segment, narrow stripe along center of dorsum, termi- 
nating on next to last segment, lower third of mesepimera, and sheath 
black or dark brown; tips of hind tibiae and the hind tarsi strongly 
infuscated; veins, including stigma and cost a nearly to base, dark 
brown; first transverse cubital hyaline, indistinct. 
Four females. Canada, Massachusetts, and Illinois. (Coll. Am. Ent. 
Soc.) 
15. Pristiphora carolinensis new species. 
Male. — Length 5 mm.; rather slender; vertex without prominent 
ridges about anterior ocellus, somewhat roughened, with minute tuber- 
cles; frontal crest obsolete, fovea very shallow or nearly wanting; 
elypeus nearly truncate or very broadly and shailowly emarginate; 
