THE LKAF BKKTLKS. 1 !:>.') 



KEY TO INDIANA GENERA OF EL MOLl'INI. 



(i. Front margin of thorax beneath curved, forming lobes behind or below 



the eyes. 

 b. Body above pubescent or scaly. 



c. Thorax without distinct margins on sides; form subquadrate ; ely- 

 tra brown or black. XX. ADOXUS. 

 t-c. Thorax with distinct side margins. 



<L Margins of thorax dentate; front tibiae toothed un inner side near 

 apex. XXI. MYOCHROUS. 



till. Margins of thorax entire ; front tibiae simple. 



XXII. GLYPTOSCELIS. 

 1>I>. Body above not pubescent or scaly. 



c. Elytral punctures in distinct, regular rows ; middle and hind tibiae 

 eruarginate on outer edge near apex. (Fig. 490.) 



XXIII. TYPOPHORUS. 

 <<. Elytral punctures confused or irregular; tibia' all entire. 



/. Bluish-green, shining; tarsal claws divergent; legs dark. 



XXIV. CHRYSOCIH s. 

 //. Brown; tarsal claws divaricate; legs pale. XXV. TYMNES. 



(Hi. Front margin of thorax beneath straight. 

 (/. Thorax without distinct margins on sides. 



h. Body above not metallic; head without a groove above the eyes. 

 i. Thorax transverse; [runt thighs with a small tooth; third .joint 

 of antenna.' not longer than second. XXVI. XANTHONIA. 



it. Thorax cylindrical; thighs not toothed; third joint of antennae 

 longer than second. XXVII. FIDIA. 



lih. Body above metallic green or bronzed; head with a groove above 

 the eyes; length less than 4.5 mm. XXVIII. GRAPHOPS. 



gg. Thorax margined on the sides. 



j. Head with distinct grooves above the eyes; middle and hind tibiie 

 emargiuate near apex. XXIX. METACHROMA. 



././'. Head without grooves above the eyes. 



A 1 . Side margins of thorax irregular or undulating. 

 I. Prosteruum narrow, contracted between the coxae. 



XXX. COLASPIS. 

 II. Prosternurn wide, its sides nearly parallel. 



XXXI. RHABDOPTERUS. 

 /.'A'. Side margins of thorax regular and entire. 



m. Third joint of antennae distinctly longer than second, the outer 

 five joints not abruptly wider. XXXII. NODONOTA. 



mm. Joints 2 to 5 of antenna' very nearly equal in length, the outer 

 five joints rather abruptly wider: form nearly globose; tho- 

 rax without basal marginal line. CIIKYSOMINA. 



XX. ADOXUS Kirby. 1837. (Gr., "without + glory.") 



A single species represents this genus in Europe and the north- 

 ern United States. 

 [7223402] 



