THE FIREFLIES OR LIGHTNING BUGS. 



811 



small, not longer than wide; elytra and wings extending much beyond the 

 end of abdomen, the former about four times wider near apex than at 

 base. Length 11-17 mm. 



Throughout the State, but scarce. August 6-October 23. Oc- 

 curs on foliage of plants usually near water. 



1537 (4776). Calopteeon reticulatum Fab., Syst. Ent, 1798, 203. 

 Resembles in form the preceding, but usually more 



slender. Elytra dull yellow, with a broad black trans- 

 verse band just in front of the middle, which sometimes 

 extends along suture to base, and another on apical 

 third. Elytra but three times wider near apex than at 

 base, their first and third eostse finer and less elevated 

 than second and fourth. Length 11-19 mm. (Fig. 313.) 



Throughout the State ; frequent. May 31-No- 

 vember 30. Occurs on flowers of wild hydrangea, Fig 31 g x 1}> 

 goldenrod, and leaves of various shrubs. The (After Knobei.) 

 specimen taken on November 30 was found beneath a piece of rail 

 in a fence corner, where it was evidently attempting to hibernate. 



Ccenia dimidiata Fabr., black, sides of thorax and front half of 

 elytra, except scutellar black spot, dull yellow, length 10 mm., is 

 said to occur in the "Atlantic region." 



II. CELETEsNewm. 1838. (Gr., "a swelling.") 



Represented in the Atlantic region of the United States by a 

 single species having joints four to ten of antennae each with a long 

 basal process in the male or shorter and broadly triangular with 

 acute angle in the female. Elytra gradually becoming twice as 

 wide behind as at base ; each with six acutely elevated costse, with a 

 single row of quadrate cells in each interval. 



1538 (4779). Celetes basalis Lee, Journ. Phil. Acad. Nat. Sci., 1847, 76. 

 Elongate, rather slender. Black or piceous; sides of thorax and line 



along humerus on basal half of each elytron dull yellow; base of femora 

 yellowish. Thorax variable in size and form, the disk strongly carinate, 

 the sides refiexed. Length 6-8.5 mm. 



Lake County; rare. July 15. Taken from the foliage of the 

 thorn or honey locust. 



Lopheros f rat emus Rand., black, thorax with a large orange 

 spot behind middle, length 9-11 mm,, has been recorded from Cin- 

 cinnati. 



