81 
A specimen from Mr. Dyar differs from the above only in the darker- 
colored wing veins. 
12. Amauronematus fulvipes Xorton. 
1861. Nematus fulvipes (Harris) Norton. Proc. Bost. Soc. Nat. Hist., vni, p. 160. 
1867. Xematus fu I vipes Norton. Trans. Am. Ent. Soc, I, p. 212. (Cat., etc, p. 74.) 
1882. Xematus semirufus Kirby. List Hym. Brit. Mus., I, p. 148. 
Female. — Length 6 mm.; exp. al. 14 mm.; a short, robust species; 
clypens shallowiy, rather broadly eraargiuate, lobes short, broad; fron- 
tal crest short, strongly raised, and scarcely broken ; sides of ocellar 
basin indistinct or wanting; antenna! fovea small, shallow, circular; 
antennae medium, third, fourth, and fifth joints subequal; intercostal 
cross vein very little anterior to basal, and oblique; venation normal; 
stigma broad near base, tapering regularly to apex ; sheath very broad, 
obliquely truncate, upper augle obtusely pointed; cerci minute, very 
slender. Spot including ocelli and extending to base of antenna 4 , cen- 
ter of lobes of mesonotum, apical half of scutellum, metanotum, the 
abdomen dorsally, sheath, lower half of mesepimera, black; frontal 
crest, head below antenna}, orbits, pronotum, legs, and venter of abdo- 
men pallid luteous; sutures of mesonotum, upper half of mesepimera, 
luteous, inclining to reddish; veins yellowish brown; stigma somewhat 
lighter, particularly at base; tarsi and posterior tibia*, labium, and 
palpi very slightly infuscated. 
One female. Maine. (Coll. Am. Ent. Soc.) 
13. Amauronematus pectoralis Cresson. 
1880. Xematus pectoralis Cresson. Trans. Am. Ent. Soc. viii, p. 9. 
Female. — Length G.5 mm.; exp. al. 15 nun.; clypeus broadly emargi- 
nate, lobes small, triangular; frontal crest large, not distinctly defined, 
unbroken; anteunal fovea minute, circular, shallow; antenna} short, 
slender, tapering, fourth joint slightly longer than third; intercostal 
anterior to basal vein; third cubital cell three times as long as wide at 
base; venation otherwise normal; stigma not very robust, widest at mid- 
dle, lower margin circular; sheath moderately robust, obtusely pointed ; 
claws large, rays subequal. Spot on head inclosing ocelli, with branches 
running to base of antennae, antenmr, spot on anterior lobe and small 
spot on lateral lobes of mesonotum, apex of scutellum with spot on 
following sclerite, metanotum, dorsum of abdomen except terminal 
segment and narrow lateral margin, sheath, lower half of mesepimera 
except pectoral spot, upper and lower edges and bases of femora, and 
extreme bases of coxa} piceus; prothorax beneath, labium, and palpi 
fuscous; tibiae and tarsi somewhat infuscated; head and thorax except 
as noted, abdomen beneath, and legs yellowish ferruginous, inclined to 
reddish on head and sutures of thorax and mesepimera; veins light 
yellowish brown ; stigma and costa somewhat lighter. 
13449— No. 3 6 
