874 FAMILY XIjIII. — PTINlDiE. 



66. Last joint of maxillary palpus broadly triangular ; thorax less par- 

 allel, the side margins narrowly but evidently reflexed; form more 



robust. HAEEISII. 



00. Form more oval ; eyes small, not very convex, scarcely larger in the 



male ; width of front five or six times that of eye as seen from front ; 



color piceous or dark brown. 



0. Antennte acutely serrate; first two ventrals of male without line of 



erect hairs ; sides of thorax flattened. 1661. fucatis. 



cc. Antennse subpeetinate in the male ; first two ventral segments of male 



with a median line of short, dense, erect hairs ; sides of thorax not 



flattened. 1662. ltjgubbis. 



1660 (5202). Xyletinus peltatus Harris, Trans. Hartf. Nat. Hist. Soc, I, 



1836, 75. 

 Elongate-oblong. Brown or reddish-brown, clothed with fiine, silky yel- 

 lowish pubescence. Antennae moderately serrate, joints 3 to 10 triangular, 

 terminal joint elongate-oval or nearly spindle-shaped. Head finely and 

 densely punctate, feebly obtusely carinate at middle. Thorax moderately 

 narrowed in front, disk convex, broadly impressed each side on basal third, 

 leaving the median line very convex, resembling a carina ; surface finely and 

 sparsely punctate. Elytra with narrow, lightly impressed striae, which are 

 finely, not closely punctate. Length 3.5-5 mm. 



Putnam and Kosciusko counties; rare. July 4-September 7. 

 Beaten from the foliage of the Virginia Creeper. 



X. harrisii Fall, length 3.7-5.5 mm,, was described from Ohio, 

 Kentucky and Michigan. 



1661 (5295). Xyi^tinds fucatds Lee, Proc. Phil. Acad. Nat. Sci., 1865, 238. 

 Elongate-oval, convex. Black or piceous black, clothed with fine, short 



and rather sparse pubescence. Antennse with joints to almost twice as 

 wide as long, male, or slightly wider than long, female. Eyes small, sep- 

 arated on the front by about five times their longest diameter. Thorax 

 strongly transverse, median line feebly elevated at base, sides flattened but 

 scarcely reflexed, surface densely, finely punctured and with larger shallow 

 punctures on the sides. Elytra finely rugose-wrinkled, deeply and finely 

 striate, the striaj very feebly punctate; intervals nearly flat. Length .",- 

 5 mm. 



Marion County, scarce. Mny 28-May 2!). Taken from the side 

 of stone abutments, where they M'ere basking in the sunshine. 



1662 (5296). Xyletinus LroUBEis Lee, Proc. Amer. Phil. Soc XVIT ISTS 



612. 



Resemliles fvcatus, but smaller and more elongate. Antennas subpeeti- 

 nate in male, acutely serrate in female, where the intermediate joints are 

 about as wide as those of male fucatnx. Sides of thorax less flat'ten.Ml and 

 more strongly sloping downward on basal lialf. Length 2..1-a mm. 



Starke, Marion and Posey counties; scarce. Jlarch 23-Jun 

 IS. Beaten from foliage oC oak. Probably hibernates beneath 

 bark. 



e 



