| July, 1870.] ‘5 
i 
4 
Genus 3—Lipurnta, Stal. 
(Hem. Afv., iv, 179 (1866). 
Delphax, Auct. 
A. Head elongate, more or less narrow, sides more or less pa- 
rallel. 
1 (2). Pronotum and scutellum side keels diverging more or less 
posteriorly, but reaching to the posterior margin. 
a. Scutellum middle keel reaching to the apex. 
Developed form, 8. Clavus with a short black streak at its apex. 
Undeveloped form. Yellow, sides of the pronotum, scutellum, and a 
streak on the elytra and sides of the abdomen, 
Ipla@her 2s. y.20se 5 Sherer Se occonee cake Mapua enie 
aa. Scutellum middle keel not reaching to the apex. 
Developed form, 8. Elytra black, clavus and anterior margin of the 
corium more or less yellow. 9. Elytra yellow, 
with a more or less distinct black streak at the 
AIDCK) 4 ./12llevdouvateil: anette longupennis, Curt. 
Elytra yellow, with a more or less broad dark longi- 
tudinal streak. 
Developed form, 3. Genital segment fuscous or black . 
3. fuscovittata, Stal. 
Do. &- Genital segment yellow............4. lineola, Germ. 
Cheeks with a large, round, black spot..5. guttula,Germ. 
Nore.—The head of the first four species is much longer than any 
of the following. 
Undeveloped form of the four last species unknown to us. 
Developed form, 8. Abdomen yellow, genital segment posteriorly snowy- 
Whites ..' ..0... Jemssceanes0e Scottt, Pie. MS. (ase): 
2 (1). Pronotum side keels not reaching to the posterior margin, 
but curved outwardly at or beyond the middle of the disc. 
6. Scutellum side keels parallel. 
Developed form, 8. Greenish-grey ; abdomen black, genital segment 
yellowish-white ..................7. smaragdula, Stal. 
Do. ¢. Green ; abdomen and genital segment black... 
8. unicolor, H. Schf. 
Undeveloped form of the two last species bright green. 
The different form of the genital segment of the ¢ of each of the 
following species, as seen from above, will be found to be of great 
assistance in separating them. 
