—33— 



D. congrex, new sp. 



Pale green, shining, feeble, pubescent. Mead polished, with either a fuscous 

 circle, or piceous spot overlapping the lylus, between the eyes. Eyes dark brown. 

 Occipital collar ivory-yellow. Antenna; very minutely pubescent, testaceous, more 

 or less infuscated, especially towards the base, the basal joint highly polished. Rost- 

 rum scarcely reaching to the middle coxre, piceous at tip. Pronotum usually with 

 two gradually widening black vittae each side, or with nearly the whole of the 

 posterior lobe and most of (he anterior lobe infuscated ; the surface feebly convex, 

 transversely wrinkled, obsoletely punctate, minutely sericeous pubescent ; the anterior 

 angles rounded, the posterior ones nearly rectangular. Scutellum either wholly in- 

 fuscated, or with a black vitta each side, transversely wrinkled, minutely pubescent. 

 Legs pale green, the femora remotely bristly, having a few coarse punctures ; the 

 tarsi and tips of femora piceous. Corium pale greenish or whitish, the clavus and a 

 broad vitta, continued on the inner side and along the cuneus, blackish ; membrane 

 blackish-fuliginous, pale next the cuneus and on the vein of the cell. 



Length to the tip of venter, (^ 3^, 9 4a 'ii'"-; to tip of wing-covers 5 — 6 mm. 

 Width of pronotum l^ mm. 



It is a common insect in Eastern Massachusetts ; and it has also 

 been taken in Maine, Canada and Illinois. 



Mr. E P. Van Duzee has kindly sent to me specimens from Lan- 

 caster, N. Y. , collected on the first of July. 



Bolteria, new genus. 



Closely related to Labops ; form broad and nearly flat. Head broad 

 nearly vertical in front, vertex very short and transverse, depressed, 

 with a high carina between the back part of the eyes ; front shield- 

 shaped, tumid, pushed up so as to be all between the eyes ; the eyes 

 large, vertical, reniform, projecting sideways beyond and almost in 

 contact with the pronotum ; antennae seated beneath and a little before 

 the lower end of the eyes : tylus almost flat, the jugum is large, triang- 

 ular and reaching a little more than half way down the tylus ; superior 

 cheeks long, elliptical, swollen, the inferior ones small, depressed, trian- 

 gular ; rostrum abruptly reduced in size beyond the basal joint, that joint 

 very broad, compressed, reaching almost to the tip of the cuneus, the 

 basal joint long, stout, contracted at base, the second joint a little less 

 stout, cylindrical, longer than the clavus, third and fourth shorter, not 

 much thinner than the second, hardly setaceous. Pronotum transverse, 

 sloping forwards, almost flat, the sides oblique, decurved, abruptly con- 

 tracted beneath and with the carinate edge obliterated, anterior margin a 

 little shorter than the basal ; callosities small, transverse, long elliptical, 

 widely separated. . ^ri'.Vel'lu'.'T' almost flat, with a transverse linear im- 

 pre.ion at base. Corium n-de towards the tip, with the costal margin 

 very mouc.c^.ci; v-uived ; cuneus wide at base, acute at tip, concave on 

 the inner margin, the incisure at base deep ; membrane with the basal 



