TRIBE I. CRYPHALIXI. 597 



Pregnall, S. C., in Qucrcus iii(iri/l(iii(!i<-<i, dead bark on sprout; 

 November. 



923 ( ). HYPOTHENEMUS ROBINI^E Hopkins, 1915-a, 15. 



Elytra black, shining; pronotum reddish, with four small marginal 

 teeth, the margins but faintly produced. Length, female, 0.95 mm.; male 

 0.55 mm. 



Chevy Chase, Md., in Robin id jtsciulacdcid, decaying bark of 

 fire-killed sprout; July. 



924 ( ). HYPOTIIENEMUS TOXICODENDRI Hopkins, 1915-a, 15. 



Elytra black, pronotum dark reddish, with four marginal teeth, the 

 two middle ones more prominent. Length, female, 0.95 mm. 



Morgantown, W. A T a., in Rim* to.r'n-odcmli'on. bark of dead 

 twigs ; December. 



925 ( -). HYPOTHENEMUS PRUNI Hopkins, 1915-a, 16. 



Slender, brown; pronotal rugose space dark red. with six marginal 

 teeth, four small and two very small. Front convex, opaque, with distinct 

 median flat line faintly impressed toward middle. Length, female, 1.25 

 mm.; male, 1 mm. 



Tryon, N. Car., in Pnums scrotum, dead bark on branches; 

 December. 



926 ( -). HYPOTIIENEMUS KUMSEYI Hopkins, 1915-a, 16. 



Elytra dark brown, shining; pronotum and head reddish-brown. Pro- 

 notum with six subequal and two small marginal teeth. Front convex, 

 opaque, densely rugosely punctured and with distinct median shining line. 

 Length, female, 1.15 mm. 



Little Falls, W. Va., in Ccrcis camtdciisis, dead dry bark on 

 trunks ; November. 



927 ( -). HYPOTHENEMUS ASIMIN^E Hopkins, 1915-a, 16. 



Dark brown, pronotal rugose space and anterior area light reel, with 

 six subequal, very small marginal teeth. Front convex, subopaque, closely 

 punctured, with faint short median line. Length, female, 1.2 mm.; male, 

 0.9 mm. 



Plummer's Island, Md., in .[x'uiiind liilolxi. abundant in dead, 

 dry bark ; October. 



928 ( ). HYPOTHENEMUS HAMAMELIDIS Hopkins, 1915-a, 16. 



Elytra light brown; pronotal rugose space and anterior area light red, 

 with six subequal, marginal teeth. Front convex, opaque with short me- 

 dian line. Length, female, 1.3 mm.; mfile, 0.9 mm. 



Morgantown, W. Ya., in HdnnnncHx ri ; </hii<t>i<i. moist dead 



bark, March. Gloucester, Grenlock and Laliaway, N. J., Marcli 



October; cut out of peach, cherry, etc. (Wcn-cl.} The name 



