566 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



N. pubescens Knight. 



Bull. Brook. Ent. Soc, xii, 81. 1917. 



Length 4.6 mm., width 1.7 mm. ; blackish and marked with pale ; 

 clothed with prominent erect pubescence ; more coarsely punctured 

 than in amoenus; pronotum with lateral margins distinctly carinate 

 only on anterior half, black, top of collar, rather widely on median 

 line of disk, one and sometimes two rays behind each callus, pale 

 yellow; scutellum yellow, black at the middle of base and on the 

 mesoscutum; sternum and pleura black, ostiolar peritreme pale; 

 hemelytra pale, inner half of clavus, along claval suture, large 

 apical spot on corium and slightly invading the embolium, black; 

 membrane pale, female dark fuscous to black within the cells and 

 margining the veins, dark fuscous in the male and extending to 

 include the middle of membrane; venter black, sometimes paler 

 in the female. 



Food plant: Fraxinus amcricana, but found developing only on 

 young plants in much shaded situations. 



Massachusetts, New Hampshire, New York. 

 Neoborus vittiscutis Knight, new species. 



Very suggestive of pubescens but with a different arrangement 

 of the black color. 



Male: Length 4 mm., width 1.86 mm. Head: Width 1.03 mm., 

 vertex .37 mm. ; blackish, bucculae, and margins of juga and lora, 

 paler, front more brownish each side of median line. Rostrum, 

 length 1. 16 mm., reaching to middle of intermediate coxae, pale, 

 apex black. 



Antennae: Segment i. length .57mm., pale; ii, 1.63 mm., cylin- 

 drical, nearly attaining thickness of segment i, slightly more 

 slender toward base, pale pubescent, a few hairs equal to thickness 

 of segment, pale, becoming reddish or dusky apically ; hi, .66 mm., 

 pale ; iv, .38 mm., pale. 



Pronotum: Length .94mm., width at base 1.59mm.; coarsely 

 punctate, with an erect pale pubescent hair arising from each 

 puncture; black, shining, spot on median line, an obsolete ray 

 behind each callus, and carinate lateral margin, pale. Scutellum 

 pale, narrow base, median line from base to apex but more slender 

 apically, black; mesoscutum black, clothed with pale pubescent 

 hairs. Sternum and pleura black, the latter clothed with erect pale 

 pubescence ; ostiolar peritreme pale. 



Hemelytra : Embolar margins slightly sinuate ; black, shining, 

 coarsely punctate, an erect pale pubescent hair arising from each 

 puncture; along claval veins and a spot near base of corium, 

 slightly paler and somewhat translucent; cuneus pale translucent, 

 narrowly fuscous at apex. Membrane uniformly fuscous, scarcely 

 paler bordering apex of cuneus. 



Legs : Uniformly pale, scarcely dusky on tips of tarsi. Venter 

 black, moderately shining pale pubescent. 



