58 



GENUS ELAEOCHLORA, 8TAL. 



TABLE FOR SEPARATING THE SPECIES. 



A. Fastigium of the vertex large. Costal and anal margins of tegmina 



yellow, bordered internally narrowly with black. 



b. Tegmina of male but gently narrowing apicallj' where they are 



broadly rounded. Wings hyaline. 



('. Pronotum obsoletely earinated; behind (female) obtuse-angled; 



male rectangular; tubercles of the sides very small or obsolete. 



triliueata Serv. 

 cc. Pronotum very distinctly earinated: behind (female) right-angled 

 or even slightly acute-angled, male frequentl,y acute-angled; 

 lateral tubercles verj' distinct. viridicata Serv. 



bl). Tegmina of male narrowing apically where they are somewhat 

 acute. Wings with the disk rose-color. picticollis Gerst. 



AA. Fastigium of the vertex smaller. Costal and anal margins of tegmina 

 concolorous, grass-green. Pronotum short, the hind edge obtuse- 

 angled, augustipennis Bruner. 



E. trilineata Serv. This insect undoubtedly occurs in 

 northern Argentina since it has been reported from both 

 Bolivia and Paraguay. 



E. viridicata Serv. Buenos Aires, Cordoba, Carcarana, 

 etc. (all the collections). At Cordoba a well defined variety 

 of this insect seems to prefer for its food-plant a species of 

 Nicotiana. 



E. incticoUis Gerst. San Lorenzo, Jujuy (Giglio-Tos). 



Elaeochlora angustipeiinis n. sjd. 



About the size of E. viridicata but much more slender and 

 with shorter pronotum. General color light olive green 

 with the lower edges and short oblique lateral band of white 

 on pronotum. Fastigium of vertex rather short, but little 

 narrower than the shortest diameter of eyes, acute angled. 

 The pronoum with the anterior margin slightly angulate, 

 posterior margin obtuse angled. Tegmina and wings rather 

 narrow, surpassing the tip of abdomen. Hind femora 

 slender, the posterior tibiae green, the apical inner portion 

 with tarsi red, sjDines on the inner edge large and black: 

 outer ones light colored, black tipped. 



Length: of body (male), 40 mm; of pronotum 8.5 mm: of 

 tegmina 38 mm: of hind femora 23 mm. 



