THE LEAP BEETLES. ll-to 



third joints equal, the fourth as long as fifth. Each elytron has 

 eleven stria?, se^en of ^hieh are between the suture and the mu- 

 bone, while t\v(< run parallel with the side margin. Between these 

 two Sfts. that is, just outside the seventh, are two short striae which 

 begin from a common point behind the umbone. These are the so- 

 called "short stria?" of the key. The species resemble the common 

 and variable Typophonis (a)ielliis. but are mostly larger and much 

 more constant in color. Five species have been taken in the State. 

 while one other perhaps occurs. 



KEY TO INDIANA SPECIES OF MET.^CHROMA. 



a. Thoracic piinctuies. when ipiesent. round, not strigcse. 



h. Suture between the clypeus and front obliterated, the groove above 

 the eye not extending on the front. 

 c. Head and thorax more or loss punctate. 

 d. l-'orm more or less oval; thorax with very distinct side margins 

 which, when viewed from the sides, are c«iivex downward. 

 I. Sixth to eleventh strife of elj-tra much confused; thorax one- 

 half wider than long, sides feebly curved ; elytra dull yellow. 



:J120. AXGrsTULfM. 



ee. Stri:i' of elytra regular exceipt the two short enes: thorax 

 nearly twice as wide as luu^', its sides sironuily rurved; ely- 

 tra dull yellow with oblong dark siiaees. 



2121. IXTEEEfPTUM. 



dd. Form parallel ;■ thorax very feebly margined on sides, the mar- 

 gins straight; color mainly piceous. 2122. paballelum. 

 cv. Head and tliorax almost entirely smooth ; color dull yellow. 



L.EVICOLLE. 



Jill. .Sntiiie lietweeu clypeus and front distinctly gronved and formed by 

 the oblique extension of tlie grc.o\e above the eye: color dull yel- 

 low ; elytral punctures coarse and in regular rows. 



212;'.. PALLIDUM. 



aa. Thorax densely and strigosely punctate; color mostly piceous. elytra 

 souietiiiies with reddish spots: elytral punctures fiue and more or 

 less irregular. 2124. quekiatim. 



21211 (IIT.'i.jI. Metachroha AXGISTVLI-M ('rotrh, I'ro.-. Phil. Acad. Nat. 

 Sci.. ]S7;j. 41. 

 Dblong-oval. I'jiper sm fai e. legs and base of antennie dull yellow; un- 

 der surface piceous: outer six joints of anteniiie black. Head sparsely punc- 

 tate, more coarsely and closely ou cl,\-]ieus. Thorax one-half wider than 

 loiii;, sliglitly narrowed in front; disk couvex. sparsely and rather finely 

 puuctJite. Elytra with the first three to five rows of punctures regular or 

 nearly so. the others much confused, esijecially toward the ajjex ; intervals 

 smootli. I.«ugth I'l-i; 5 mm. 



lake. Porter. Starke and Tosey counties; scarce. June .5— July 

 S. I5( aten from dead willow. .V species of western range, there- 

 fore jirobably to be found only in the western portion of the State. 



