294 THE CANADIAN ENTOMOLOGIST. 



Mofiophadiioides consobrhius^ n. sp. — Body black, with the angles of 

 the pronotum, the tegulae, the legs below the knees, white; the furrow in 

 front of the postocular area narrow, deep and distinct ; the pentagonal 

 area flattened, the walls flat and practically wanting ; the third segment 

 of the antennie not as long as the fourth and fifth together, the second 

 segment broader than long ; the scutellum wholly smooth ; the saw-guides 

 straight above, convex below, broadly, obliquely rounded to a blunt point 

 at apex above ; the wings hyaline. Length, 6 mm. 



Habitat : Durham, N. H. (C. M. Weed). 



Monophadnoides cordatus, n, sp. — Body black, with the tegulse, the 

 legs below the knees, white, except that the tips of the tibise and tarsi are 

 more or less infuscated ; the furrow in front of the postocular area broad, 

 shallow and indistinct ; the pentagonal area wholly wanting ; the third 

 segment cf the antennae as long as the fourth and fifth together, the second 

 segment broader than long ; the scutellum wholly smooth; the saw-guides 

 convex above and below, obliquely truncated to a point at apex above ; 

 the wings hyaline. Length, 5 mm. 



Habitat : Illinois (Nason). 



Mo7iophad7ioides concessus^ n. sp. — Body black, with the angles of the 

 pronotum, the tegulas and the legs below the knees, white ; the antennae 

 with the third segment shorter than the fourth and fifth together; the head 

 smooth and polished ; the front with a V-shaped furrow behind the median 

 ocellus; the scutellum punctate at apex; the saw-guides straight above 

 and below, obliquely, convexly rounded at apex ; the wings white. 

 Length, 6 mm. 



Habitat : Ithaca, N. Y. 



Monophadnoides crasstis, n. sp. — Body black, with the collar 

 narrowly, the tegulse, the legs below the knees, white ; the front without a 

 V-shaped furrow behind the median ocellus ; the third segment of the 

 antennae subequal in length with the fourth and fifth together ; the 

 pentagonal area wanting ; the scutellum punctate at apex ; the saw-guides 

 straight above and below, obliquely rounded to a blunt point at apex and 

 above. Length, 6 mm.- 



Habitat : Durham, N. H. (C. M. Weed). 



Mo?iophad?ioides cojispersiis, n. sp. — Body black, with the angles of 

 the pronotum, the tegulae, the trochanters, and the legs below the knees, 

 white : the front witli a V-shaped furrow behind the median ocellus ; the 

 third segment of the antennae subequal in length with the fourth and fifth 



