NOETH AMERICAN BUPRESTID BEETLES 39 



Tarsal claws similar on all feet, cleft near the middle, the teeth acute 

 at tips, about equal in length, and the inner ones turned inward. 



Length, 9.5 mm.; width, 2.75 mm. 



Female. — Unknown. 



Redescribed from the lectotype No. 3474 in the collection of the 

 Academy of Natural Sciences, Philadelphia. 



Type locality. — Texas, probably near the lower Rio Grande. 



Distribution: — This species is rare in collections, as only three 

 specimens have been seen by the writer, two from the type locality 

 in the collection of the Academy of Natural Sciences, Philadelphia, 

 and one in the United States National Museum, from New Braunfels, 

 Tex., collected November 17, 1895, by H. Soltau. Chamberlin 

 (1926) records a specimen in the Wenzel collection from Chisos, Tex., 

 collected July 20. 



Variations. — None worthy of note has been observed in the speci- 

 mens examined. 



Host. — Unknown. 



9. AGRILUS DIFFICILIS Gory 



Figure 7 



Agrilus difficiUs Dejean, Cat. Coleopt, ed. 2, 1833, p. 82 ; ed. 3, 1837, p. 93 

 (no description). — Gory, Mon. Bupr. Suppl., vol. 4, 1841, pp. 224-225, 

 pi. 37, fig. 215.— LeConte, Proc. Acad. Nat. Sci. Phila., vol. 9, 1857, p. 9 ; 

 Trans. Amer. Philos. Soc, vol. 11, new ser., 1859; pp. 244-245. — 

 Crotch, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, pp. 92-93.— Hubbard 

 and Schwarz, Proc. Amer. Philos. Soc, vol. 17, 1878, p. 656. — Horn, 

 Trans. Ainer. Ent. Soc, vol. 18, 1891, pp. 287-288, pi. 8, fig. 8.— Kerre- 

 mans, Mem. Soc Ent. Belg., no. 1, 1892, p. 255. — Hamilton, Canad. 

 Ent., vol. 28, 1896, p. 263.— Chittenden, U. S. Dept. Agric, Div. Ent., 

 Bull. 22, new ser, 1900, p. 67. — Blatchley, Coleoptera of Indiana, 1910, 

 p. 797.— Frost and Weiss, Canad. Ent. vol. 52, 1920, p. 204. — Cham- 

 plain and Knull, Canad. Ent., vol. 57, 1925, p. 113. — Chamberlin, 

 Cat. Buprestidae, 1926, p. 58. 



Agrilus occidentalis Uhler, Proc Acad. Nat. Sci. Phila., vol. 7, 1855, p. 

 416.— Cook, 29th Rept. Mich. Board Agric, 1890, p. 119. 



Male. — Elongate and moderately shining; head green in front, 

 becoming purplish or blackish green on the occiput; pronotum, scu- 

 tellum, and elytra blackish green, with a distinct purplish reflection 

 in certain lights ; beneath cupreous, and more shining than above. 



Head with the front wide, flat, about equal in width at top and 

 bottom, the lateral margins arcuately expanded above the middle, 

 with a feeble, narrow, longitudinal groove on the occiput, a shallow, 

 transverse depression behind the epistoma, and a shallow, round 

 depression on each side behind the middle, the margins of these two 

 depressions strongly angulated anteriorly, forming the letter W at 



