103 
rounded, crest slightly broken; fovea shallow (antenne wanting); vena- 
tion normal, except that the second recurrent is interstitial with the 
second cubital; stigma broad, rounded beneath, somewhat acuminately 
pointed; claws with minute inner tooth. Color black, including mouth 
parts, pronotum, and tegule; tips of cox, trochanters, tips of femora, 
the anterior tibiw, and the tarsi pallid, strongly infuscated; veins, in- 
cluding costa and stigma, dark brown; wings nearly hyaline, slightly 
smoky. 
One female, MeGillivray’s type. Olympia, Wash, Trevor Kincaid, 
collector. (Coll. Cornell Univ.) 
17. Pachynematus nigropectus Cresson. 
1880. Nematus nigropectus Cresson. Trans. Am. Ent. Soc., VII, p: 6. 
Female.—Length 8 mm.; moderately robust, glistening; clypeus very 
gently emarginate; frontal crest and lateral margins of ocellar basin 
distinctly but not strongly developed, former unbreken; antennal fovea 
deep, expanding broadly posteriorly; antenne slender, filiform, joint 4 
longest, 5 longer than 3; venation normal; stigma very broad, ovate, 
somewhat acuminate at apex; sheath narrow, regularly rounded at apex; 
cerci very narrow, not tapering; inner claw tooth rather large, sharp. 
Color for the most part Iuteous; face and upper and posterior orbits 
pallid; antennie, vertex and occiput, prosternum, mesonotum, metano- 
tum, broad stripe on dorsal sclerites of abdomen except last, basal half 
of mesepimera (pectus), and the metepisterna black; tip of sheath and 
tips of posterior tibiw, the posterior tarsi, and the anterior tarsi to a 
less extent, infuscated; veins, including stigma and the costa nearly 
to base, brown; wings slightly infuscated, almost hyaline. 
One female. Nevada. (Coll. Am. Ent. Soc.) 
18. Pachynematus punctulatus new species. 
Female.—Length 6.5 mm.; rather robust, head and thorax strongly 
punctured and somewhat opaque; clypeus, labrum, and pleure with 
rather long and dense yellowish hairs; clypeus shallowly emarginate, 
lobes broad and rounded; frontal crest and elevated ridges about ante: 
rior ocellus prominent, former unbroken; antennal fovea broad, oval; 
second recurrent interstitial or received in third cubital cell; second 
cubital cross vein two-thirds as long as third; upper middle cell of hind 
wings very little exceeding lower; stigma broad, rounded on lower 
margin, widest at center; sheath broad, truncate; cerci moderately 
slender, tapering; inner tooth of claw short, obtuse. Head and thorax 
for most part, basal plates, base of first dorsal segment, sheath, and 
extreme bases of coxe brownish black; upper orbits and some marks on 
dorsum of thorax, including most of scutellum, reddish; triangle below 
antenme, tips of clypeus, labrum, pronotum, tegulwe, legs, and abdomen 
including cerci reddish yellow; extreme tips of posterior tibiw and the 
