Sl2 I-'AMILY XL. — LAMPYRIO^. 



III. Bros Xewm. l.^HS. (fir., "the God of love.") 



The spec-ies of this genus are of mediixm size and have the last 

 joint of maxillary paljjiis lonjipr than the preceding, and aeute at 

 tip; antenna modei-ately comin-es^cd, with the second joint at least 

 half as long as third, which is not longer than fourth. Elytra 

 never widely dilated behind, the intervals usually with double rows 

 of small quadrate depressions. Ti-n species of Eros are listed from 

 the Uniterl States. si.\- of which have been taken in Indiana. 



KEY TO IXDI-VNA SPECIES OF EBOS. 



a. Thorax with five well defined cells, the median one rhombic, not cari- 

 nate. 

 h. Upper surface black : humeral spot on elytra and sides of thorax 

 dull yellow. :.o.39. thoracicls. 



66. Upiier surface scarlet. 



c. Under surface of body black. 1540. aubora.. 



ce. t'lider surface red. 1541. iirxDus. 



a«. Thorax with six cells, sometimes ill defined; the middle one of front 



row more or less carinate. 



d. Head strongly margined In front of antennae; front middle cell of 



thorax Avith sides distinct. 1542. scrLPTiLis. 



dd. Head not margined befoi-e the antennce; front middle cell of thorax 



with sides indistinct or wanting. 



e. Base of elytra and each side of thorax yellowish ; transverse 



carinie between the front and hind rows of cells strong, sinuate. 



1543. HUMEBALIS. 



ce. Elytra wholly black or piceous; transverse carinte separating the 

 front and hind rows of cells indistinct at middle. 



1544. TBILINEATrS. 



15.39 (4783). Ebos thobacicvs Hand., Bost. Journ. Xat. Hist. II, ISoS, 14. 



Elongate-oblong, depress.i-d. Black; sides of thorax and humeral spot 

 on elytra dull reddish-yellow. Antennae with elongate slender joints, the 

 second and third together about equal to the fourth. Lent'th 5-S mm. 



ViRo County; rare. ^May .31. Beaten from foliage of elm. 

 1.540 C47S7,i. Ebos avboba Herbst., Nat. Insect, 17S9. 



Elongate, depressed. Head, antennre and under surface black or pic- 

 eous; thorax and elytra bright scarlet, the depressions of the former and 

 the scutellum dnsky. Thorax with two elevated lines, distant in the mid- 

 dle and meeting on the front and hind edges, enclosing a rhomboidal cell ; 

 also with two cells on each side. Length 7-11 mm. 



Vigo and Posey counties; scarce. Scjitember -2-X(ivember 4. 



Those taken in Vigo County were found in dr>' upland woods 

 beneath logs which had been partially burned, three beneath one 

 l02, six beneath another. They feigned death when the logs were 

 overturnecl. 



