THE FIREFfilKS OK I KillTNTNG BUGS. 831 



Throuf^lioul the State; fi'equeiit. June 3-June 27. One spe- 

 cies with thorax wholly pale is referred to var. flavicollis Lee.; this 

 being a variety of modestus and not of hasilaris, as the form of the 

 tliorax and relative length of antennal joints plainly show. 



1."iT9 (4889). PoDABRUS tomentosus Say, Jourii. 

 Phil. Acad. Nat. Sei., V, 1825, 



165 ; ibid. II, 275. 

 Elongate, slender, parallel. Head, thorax, two 

 l)asal joints of anteniue, abdominal margin and fe- 

 mora reddish-yellow ; remainder of antennte, tibite 

 and tarsi dusky; elytra black with fine grayish pu- 

 bescence. Thorax quadrate ; disk finely and sparse- 

 ly punctate, with distinct median line. Length 9- 

 12 mm. (Fig. 324.) 



ThrouiilKuit the State ; common. ]\lay 21- 

 Oetober 15. Oecnrs most abundantly on the j,.j„ .524 y 2k 



trreater ragweed, Amhrosia irifida L., along (OnKmai.) 



the borders of streams ; also noted at electric light. 



1580 (4890). PoDABRis protensus Lee, New Sp. N. Am. Col., 1866, 91. 

 Elongate, slender. Blackish ; front of head, thorax, legs, basal fifth 



and outer margin of elytra as far as middle, reddish-yellow. Thorax slightly 

 hunger than wide, sides feebly curved; disk very finely and sparsely punc- 

 tate; dorsal line deep. Second and third joints of antennae nearly equal 

 and together longer than fourth. Length 11-14 mm. 



("lark, Jefferson and Perry counties; scarce, ^lay 21-June 17. 

 In some specimens, var. fayi Lee. the elytra are wholly dull yellow. 



1581 (4891). PoDABRis BRLNNitoLLis Fab., Syst. Eleut., I, 1901, 298. . 

 Resembles the preceding but more slender. Front of head, sides of 



tliorax, margins of elytra, legs and base of anteunse yellow. Back of head 

 and disk of thorax coarsely punctured. Thorax longer than wide, the sides 

 parallel, not rounded. Length 7-10 mm. 



Orange County; scarce. May 28-Juue 2. Beaten from foliage 

 nf oak, hickory and wild grape. 



XIX. SiLis Latr. 1S2!). (('4r.. '' pug-nosed.") 



Small ()])loiig species having the tliorax broader than long and, 

 in the male, notched near the hind angles and bearing two processes 

 iin each side near the base. 



KEY TO INDIANA SPECIIiS OF SILIS. 



a. Base of thorax lobed, deeply foveate inside of hind angles ; notch near 

 the base deep, the appendage behind notch long, compressed and 

 rounded at tip. 1582. percomis. 



[58—23402] 



