378 JOHN HAMILTON, M. D. 



SCOLYTID^. 



Corthylus punctatissimus, not common, in maplf and in huckleberry roots. 

 Monarthrum fasciatum, common aiiout wood piles ; mali, breeds in oak, apple, 



etc. 

 Gnathotrichus materiarius, not rare, pine. 



Pitpophthorus sparsus, rare ; 2)iif>e>'iili'^, common, in pine twigs. 

 Hypothenemus eruditus, shells of foreign nuts ; dissimilis, not common ; three 



examples found were boring into wounded wild cherry. 

 Xyloterus politus, not mre, bores in elm. 

 Xyleborus dispar, not often taken ; celsus, common, boring in hickory ; xylo- 



(ir<iphu.% not abundant; pubesc.ens, common under bark of pine limbs ; cselatns, 



abundant under pine bark. 

 Tomicus. — Common where pine grows, but only occasional here. 

 Micracis suturalis, breeds in hickory, locust, etc. ; rudis. two examples bred 



hickory. 

 Scolytus quadrispinosus, common in hickory ; muficKs, three examples ; rugn- 



losHs, common, bores in xieach, plum, etc. ; n. s. (Schwarz) bred once from 



hickory limbs, greatly resembles riigulosus. 

 Chramesis icorise, abundant, breeds in hickory limbs. 

 Phloeotribus frontalis, not frequent. 

 Hylesinus opaculus, not rare. 



Cnesinus striglcollis, not common, on Osage orange. 

 Dendroctonus terebrans, common in pine. 

 Hylastes tenuis, under pine bark, not frequent. 



ANTHRIBIID^. 



Eurymicter fasciatus, not common, by sweeping. 

 Hormiscus saltator, not rare, by sweeping. 

 Cratoparis lunatus, abundant, in dry fungus. 



Brachytarsus alternatus and variegatus, common by sweeping: tomeutosns, 

 abundant on Ambrosia arte mi si folia. 



ADDENDA. 



Omophron tessellatum Say. — Examples occurred near St. Vincent. 

 Cymbiodyta rotunda Say. — Taken in the Alleghanies by Mr. Ulke. 

 Eutheia, n. s. — One example near St. Vincent ; a true Euiheia (Schmitt). 

 Ischalia costata Lee. — Several examples near St. Vincent (Schmitt). 

 PomphopcBa ung-icularis Lee. — Several examples near St. Vincent (Schmitt). 



