March, 1 921.] MacGillivray : Xku Specif.s OF Xf.matinae. 29 



sharply defined, unbroken ; ocellar basin represented by a slight depression on 

 ventral side of median ocellus, lateral walls obsolete : head and thorax pol- 

 ished, setaceous ; antennx with third, fourth, and fifth segments subequal ; 

 wings hyaline ; veins fuscous, stigma and costa whitish ; procidentia very long, 

 with parallel sides, rounded. Length. 6 mm. 

 Habitat: Orono, Maine. Sub. 6i. 



This species diflfers from si)ni!is Marl, in tlic iMmi oi ihc frontal 

 crest and the color of the head. 



Amauronematus verbosus new species. 



Female. — Body yellowish white shading to rufous, with the following parts 

 black : antennae, irregular area surrounding ocelli and covering ocellar basin, 

 spot on dorsal side of each antacoria, spots on lobes of mesonotum, caudal half 

 of mesoscutellum and of mesopostscutellum, metascutellum in great part, meso- 

 sternum, spot on coxae, proximal portion of femora, largest on metafeniora. 

 metatibiae, metatarsi, basal plates, cephalic part of first abdominal tcrgum. and 

 saw-guides: antennae with third segment shorter, than fourth, fourth and fifth 

 subequal ; median fovea obsolete : frontal crest a narrow shield-shaped, not 

 strongly elevated area, unbroken ; ocellar basin limited by sides of frontal 

 crest, lateral walls wanting; wings slightly infuscated; veins, stigma, and costa 

 yellowish, veins on proximal half of wing darker: saw-guides large, stout, 

 dorsal margin straight, ventral margin convex, distal end truncate. Length. 

 7.5 mm. 



Habitat: Orono. Maine. Sub. 162. 



This species differs from littcotcrc/iim Xort. in the form of its 

 median fovea. 



Amauronematus venaticus luw species. 



Male. — Body black with the following parts yellowish white: clypeus, 

 labrum, mandibles, mouth-parts, supraclypeal area, genal orbits, extending onto 

 adjacent orbits, collar, tegulje. and legs except proximal ends of cox.t. distad 

 of middle of femora, particularly the metathoracic legs, inclined to reddish : 

 occipital, vertical, and frontal orbits reddish; clypeus broadly, shallowly emar- 

 ginate; median fovea broad, shallow, indistinct; frontal crest narrow, only 

 slightly raised, not prominent; ocellar basin flat, lateral walls elevated, but 

 not above ocellar basin ; antenna: with third and fourth segments subequal. 

 fourth slightly longer than fifth; head and thorax polished: wings hyaline: 

 veins, stigma, and costa pale : procidentia broad, hardly differentiated ; caudal 

 margin of caudal sternum slightly emarginate. Length, 5 mm. 



Habitat: Orono, Maine. Sub. 6. 



This .species differs from acolctr Marl, in the coloration of hca.1 

 and ahdomen. 



