136 MI^C. PUBLICATION 4 70, U. S, D'EPT. OF AGRICULTURE 



deeply depressed on each side of the median carina, and with a dis- 

 tinctly elevated lateral carina on each side ; in other specimens the sur- 

 face is only slightly depressed on each side and without distinct lateral 

 carinae. The length is from 7.5 to 16 mm. 



This species is commonly known as the flatheaded apple tree borer. 



It is impossible to identify the forms described by Castelnau and 

 Gory from their inadequate descriptions, but the writer has accepted 

 the synonymy recorded by LeConte after his study of the types in the 

 collection of Count Mniszech in Paris. 



Chamberlin (1926) gives the type locality of femorata as "Boreal 

 America," but Olivier described the species from material collected 

 by John Francillon in Georgia, and Fabricius (1801) recorded it from 

 material collected by Bosc in Carolina. 



This species seems to be at present in a high stage of evolution, so 

 interbreeding will take place between the different forms, and inter- 

 mediate forms can be expected to occur. 



(58) Cheysobothris lilaceous Chamberlin 



(Fig. 54) 



Chrysobothris lilaceous Chamberlin, 1925, N. Y. Ent. Soc. Jour. (1924) 32: 190-191 

 (separate, pp. 189-190) ; Chamberlin, 1926, Cat. Buprestidae North Amer. r 

 p. 160; Chamberlin, 1929, Pan-Pacific Ent. 5: 115; Obenberger, 1£34, in 

 Junk (pub.), Coleopt. Cat., pt. 132, p. 639. 



Figure 54. — Clypeus (A) and last visible abdominal sternite of female 

 (B) of Chrysobothris lilaceous 



Female. — Rather broadly elongate, moderately convex above, rather strongly 

 shining, reddish cupreous, with elevated spaces piceous ; beneath purplish cupre- 

 ous, more strongly shining than above. 



Head uniformly reddish cupreous, slightly greenish behind clypeus, with two 

 small, irregular, smooth callosities on front and a narrow, longitudinal, smooth 

 carina on occiput ; front slightly convex ; surface coarsely, deeply, rather densely, 

 irregularly punctate, sparsely clothed with moderately long, semierect, white 

 hairs, intervals vaguely granulose; clypeus deeply, narrowly, angularly emarg- 

 inate in front, obliquely sinuate on each side. Antenna uniformly brownish 

 cupreous, slightly narrowed to apex ; intermediate segments not compact, slightly 

 wider than long, broadly rounded at outer margins; third segment as long as 

 following two segments united. 



