64 



It occurs, so far as I am at j^resent aware, only in the 

 vicinity of Cordoba, where it is fairly abundant. 



D. peruiistuii Serv. Bahia Blanca, Buenos Aires (Pict. et 

 Sauss, ); Carcarana (Bruner, O. Thomas). 



DipontJiJis coiiniiKn/s n. sp. 



Very similar in size and form to D. pijcnoKtictus and D. 

 arf/entiiius, but differing from those two insects in being of 

 a bright olive green color instead of testaceous or red ; and 

 with the prothorax, sides of body, and hind tibiae together 

 with femora, less mottled with black than in those sj^ecies. 

 Tegmina with the general color varying from dark olive green 

 to black, mottled by lighter markings. Antennae either 

 unicolorous or light with the apex of joints dark, giving 

 these appendages an annulated appearance. Wings with the 

 base and disk red, the apex greenish, in some specimens 

 infuscated, the veins darker. Anterior and middle femora 

 more or less speckled with black; the tibiae in some speci- 

 mens black, in others greenish ; posterior femora with two 

 more or less complete dusky bands on outer, upper, and 

 inner faces ; the knees both inside and out black ; extremity 

 of posterior tibiae black : spines black tijjped. Abdominal 

 segments with indications on venter of transverse black 

 bands on basal portion, other parts of venter more or less 

 closely si^eckled with black. 



Fig. 28. — Dijiontlnis comvmnis Bruner. 



Length: of body, c? 18 mm, ? 36 mm; of pronotum, d^ 

 5 mm, 9 7.5 mm; of tegmina, d 22 mm, ? 30 mm; of hind 

 femora, cJ 12 mm, + 17 mm. 



On camp in provinces of Cardoba, Santa Fe, and Buenos 

 Ayres. (Collection of O. Thomas). 



