THE LONG-HORNED WOOD-BORING BEETLES. 1027 



1899 (6084). HETERACHTHES QUADBIMACULATUS Hald., Trans. Amer. Phil. 



Soc., X, 1847, 43. 



Elongate, slender, subcylindrical. Dull brownish-yellow, shining; ely- 

 tra each with two circular paler spots, one in front of and one just behind 

 the middle. Thorax cylindrical, narrowed in front, disk with a wide, shal- 

 low median groove interrupted at middle ; surface, as well as that of elytra, 

 very sparsely punctured. Length 8-11 mm. 



One in Pury collection from Laporte County. Occurs from 

 Pennsylvania to .Missouri. Tin- larva 1 live in the wood of hickory. 



Zamodes obseunis Lee., black, opaque, clothed with dense brown 

 pubescence, length 13 mm., is known from New .Jersey and Pennsyl- 

 vania. 



Tribe II. OBKIINI. 



Small species having the front coxa? prominent, contiguous, 

 conical and enclosed behind; palpi slender, with the last joint tri- 

 angular; first segment of abdomen very long, the second and follow- 

 ing irregular in length, hairy and excavated or deformed in female; 

 thorax constricted and pedunculate at base and narrower than 

 elytra; femora, strongly clubbed ; first joint of hind tarsi as long as 

 the next two. But two of the seven genera are represented in the 

 eastern United States and Indiana. 



KEY TO INDIANA GENERA OF OBRITNI. 



a. Thorax much narrower at base than at apex. XVIII. PHYTON. 



aa. Thorax dilated at middle, equally narrowed at base and apex, tubercu- 



late at sides. XIX. OBRIUM. 



XVIII. PHYTON Newm. 1840. (Gr., "plant") 



This genus contains but two small species, one of which occurs 

 in Indiana. 



1900 (6090). PHYTON PALLIDUM Say, Journ. Phil. Acad. Nat. Sci., Ill, 



1824, 41L>; ibid. II, 193. 



Elongate, slender, snbcylindrical. Dull, pale yellow; thorax with three 

 dusky lines and elytra each with four oblique brownish hands, of which the 

 one just behind the middle is broad, the others narrow. Thorax broad in 

 front of middle, narrowed on apical fourth, much narrowed on basal third. 

 Length 5.5-6.5 mm. 



Knox County; rare. July 2. Should occur sparingly through- 

 out the State. The larva? live in red-bud, hickory and usage orange. 



XIX. OBRIUM Serv. 



Two small species having the thorax equally narrowed at base 

 and apex belong here. One has been taken in the State and the 

 other probably occurs. 



