452 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Remarks.—I have studied more than 60 specimens besides the long 
type series of 125 specimens. All these specimens are from southern 
eypress, Zaxodium distichum, and were taken in numerous localities 
in Louisiana, Florida, North Carolina, and South Carolina, as well 
as in Mississippi. 
PHLOEOSINUS DENTATUS (Say) 
PLATE 41, FiaurE 24 
Hylurgus dentatus Say, Journ. Acad. Nat. Sci. Philadelphia, vol. 5, p. 258, 1825.— 
Harris, Treatise on some of the insects of New England which are in- 
jurious to vegetation, ed. 2, p. 77, 1852—I1rcuH, Trans. New York Agr. 
Soc., vol. 4, p. 750, 1857 —LrConre, Complete writings of Thomas Say on 
the entomology of North America, vol. 2, p. 819, 1859. 
Hylesinus dentatus (Say) LeConte, Trans. Amer. Ent. Soe., vol. 2, p. 170, 1868. 
Phlocosinus dentatus (Say) LeContr, Proc. Amer. Philos. Soc., vol. 15, p. 381, 
1876.—EIcHHorr and ScHwarz, Proc. U. 8. Nat. Mus., vol. 18, p. 608, 1896.— 
BLANDFORD, Biol. Centr.-Amer., Coleop., vol. 4, pt. 6, p. 160, 1897.—HopxKINs, 
U. S. Div. Ent. Bull. 48, p. 25, 1904.—Currir, U. 8. Div. Ent. Bull. 53, p. 81, 
3805.—Swaine, New York State Mus., Bull. 134, p. 129, 1909; Canada Dept. 
Agr., Ent. Branch, Bull. 14, pt. 2, pp. 68, £9, 1918.—BLacKMAN, Mississippi 
Agr. Exp. Sta. Techn. Bull. 11, p. 60, 1922.—W. J. CHAMBERLIN, Bark and 
timber beetles cf North America, p. 169, 1939. 
Dencroctonus (?) graniger HicHuorr, Berlin. Ent. Zeitschr., vol. 12, p. 147, 
1868. 
Phloeosinus graniger (Wichhoff) Cuapcis, Mem. Soc. Sei. Li4ge, ser. 2, vol. 3, 
p. 248, 1873 (author’s extract issued 1869, p. 39).—LrContTsr, Proc, Amer. 
Philos. Soe., vol. 15, pp. 882, 486, 487, 1876.—EicHuorr AND SCHWARZ, Proce. 
U.S. Nat. Mus., vol. 18, pp. 608, 610, 1896 (=dentatus Say). 
Dendroctonus (?) haagii ErcHuorr, Berlin. Ent. Zeitschr., vol. 12, p. 148, 1868. 
Phiocosinus haagti (Wichhoff) CHApuis, Mem. Soc. Sci. Liége, ser. 2, vol. 3, 
p. 248, 1873 (author’s extract issued 1869, p. 38).—EIcHHOFF AND SCHWARZ, 
Proe. U. 8S. Nat. Mus., vol. 18, pp. 608, 610, 1896 (=dentatus Say). 
Phioecsinus enirus BLACKMAN, Mississippi Agr. Exp. Sta. Teekn. Bull. 10, p. 56, 
1921; Mississippi Agr. Exp. Sta. Techn. Bulli. 11, pp. 60, 61, 1922 (new 
synonomy). 
ifale-—Piceous-brown to black; 2.25 to 2.8 mm. long, about 1.93 
4+ 1 
times as long as wide; with rather abudant, short, gray pubescence. 
rons rather wide between eyes, frontal rectangle about 0.67 as 
long as wide, epistomal lobe very short, nearly lacking; surface 
piceous, closely, finely, deeply punctate-granulate, less granulate above; 
moderately deeply and widely, transversely impressed between eyes, 
with a median carina on lower half, often indistinct; hairs short and 
fine. Eye slightly less than three times as long as wide, more than 
half divided by a V-shaped emargination. Antenna with club less than 
twice as long as wide, sutures nearly straight and slightly oblique. 
Pronotum about 1.1 times as wide as long, slightly widest at 
posterior angles; sides arcuate and gradually convergent, moderately 
constricted just behind moderately broadly rounded front margin, 
aiid slightly impressed across dorsum; surface piceous, shining, 
