68 BULLETIN 14 5, UNITED STATES NATIONAL MUSEUM 



2. Surface above nearly unicolored, aeneous with a more or less cupreous tinge. 



Host: Hazel coryli Horn. 



Surface above bicolored ; pronotum greenish, aeneous, brownish, or cupreous; 



elytra black. Host: Oak, beech, and chestnut arcuatus Say. 



(obliquus) LeConte. 



3. Female reddish cupreous, and more or less violaceous ; male pronotum 



aeneous, and the elytra violaceous. Host : Hazel fulgens LeConte. 



Female uniformly brownish cupreous ; male with pronotum reddish cupreous, 

 the sides greenish or bluish, and the elytra black, with a violaceous tinge. 

 Host: Hickory and pecan torquatus LeConte. 



AGRILUS ARCUATUS subspecies FULGENS LeConte 



Agrilus fulgens LeConte, Trans. Amer. Philos. Soc, vol. 11, new ser., 1859, 

 p. 243.— Crotch, Proc. Acad. Nat. Sci. Phila., vol. 25, 1873, p. 92.— 

 Harrington, Canad. Ent., vol. 16, 1884, p. 101; 15th Rept. Ent. Soc. 

 Ontario for 1884 (1885), p. 31 (identification?).— Blanchard, Ent. 

 Amer., vol. 5, 1889, p. 32 (erroneous identification, =corylh Horn). — 

 Riley, Ins. Life, vol. 2, 1890, p. 348 (identification?, parasite). — Horn, 

 Trans, Amer. Ent. Soc, vol. 18, 1891, p. 297. 



Agrilus arcuatus (Say) Stromberg, Canad. Ent., vol. 26, 1894, p. 36 

 (part).— Smith, 27th Rept. N. J. State Board Agric. for 1899 (1900) 

 suppl. p. 257 (part). — Chittenden, U. S. Dept. Agric, Div. Ent., Bull. 

 22, new ser., 1900, p. 67 (part).— Ulke, Proc U. S. Nat. Mus., vol. 25, 

 no. 1275, 1902, p. 47 (part).— Smith, Ann. Kept. N. J. State Mus. for 

 1909 (1910), p. 295 (part) .— Chamberlin, Cat. Buprestidae, 1926, pp. 

 51-52 (part). 



Male. — Smaller, more slender, and more shining than arcuatus; head 

 bluish green, becoming slightly aeneous to cupreous on the occiput; 

 pronotum cupreous at middle, becoming aeneous toward the sides; 

 elytra bluish black, with a distinct purplish tinge; beneath brown, 

 with a slight aeneous tinge; antennae with the outer joints as wide 

 as long. Genitalia similar to arcuatus Say. 



Length, 6.5 mm. ; width, 1.5 mm. 



Female. — Head and pronotum bright reddish cupreous; elytra 

 varying from cupreous to bluish black, with a more or less purplish 

 tinge ; beneath cupreous, with a distinct purplish reflection ; antennae 

 with the outer joints slightly wider than long. 



Redescribed from the male type (No. 7 of the arcuatus series) in 

 the Museum of Comparative Zoology, at Cambridge, Mass. 



Type locality. — " Missouri." 



DISTRIBUTION 



Material examined : 



Illinois: Riverside ( ). 



Iowa: Iowa City (H. F. Wickham) 



Indiana : No definite locality. 



Kansas: Douglas County, 900 feet (Snow). 



