29 



Figure 11. Prosternal plates showing procoxal line 

 shapes and anterior development, line = 1.0 mm; 

 a.) Ischyrus proximus Lacordaire, barely 

 suprassing coxa; b.) I. n. sp . 7, parallel-sided 

 and surpassing coxa; c.) I. n. sp. 5, semicircular 

 and barely surpassing coxa; d.) I. duponti 

 Lacordaire, not surpassing coxa. Imaginary line 

 (dashed) included for referencing anterior edge of 

 procoxae in determining procoxal line development. 



