—126— 
Head broadly transverse, antero-posteriorly rarely very thin, as broad or broader 
than the thorax ; frons usually convex, upper margin rounded ; thorax trans- 
verse quadrate or somewhat trapezoidal, sides not sinuate. 
*Posterior tibize usually not strongly spined, at the most with two or three 
spines, or else with a double row of weak spines or ciliz ..... 3 See eRe 
SUBFAMILY II. EURYMELINZ. 
**Posterior tibize always with a double row of strong spines .... ...... 
: SuBFAMILY III. BYTHOSCOPINA. 
SUBFAMILY I. ASTHALIONINZAE. 
TABLE OF GENERA. 
lead aeceplysemaroinated|....ms. eeeegee 
Head not or but slightly emarginated. 
dikde hebawy ie -.., Gt. Schiziavspinola 
Costal area with 3 to 5 transverse veins, none forked...G. 2. A&thalion Latreille 
Costal area with g transverse veins, the 2nd forked ; outer edge of posterior tibize 
with numerous small denticulations.......... G. 3. Polydontoscelis n. g.* 
SUBFAMILY Il. EURYMELIN 2. 
TABLE OF GENERA. 
Posterior tibize with not more than 2 or 3 spines........ G. 1. Eurymela Burm. 
4 
Posterior tibiz with a double row of very weak spines ..... ..... ....-.....-.- 
G. 2. Eurymeloides n. g. 
SUBFAMILY III. BYTHOSCOPIN~. 
TABLE OF GENERA. 
Antenne inserted in feeble cavities.................. 
Antenne inserted in deep cavities beneath a ledge. 
Thorax with transverse striations. 
Lateral margins of thorax sharply keeled, of moderate length............... 
G. 1. Macropsis Lewis 
Lateral margins of thorax not sharply keeled, very short................... 
G. 2. Bythoscopus Germ. 
Mhorax withioblique striations. ~..)). sien eeee ieee G. 3. Pediopsis Germ. 
2 Head including the eyes wider than the elytra at base. 
Membrane with)anvappendage 25. fa aemcceseeiee = G. 4. Idiocerus Lewis 
Membrane without an appendage ...... 12+. .e4s4-G. 5. “Pachyopsissublen 
Head including the eyes not wider than the elytra at base. 
Membrane without an appendage.................-... G. 6. Agallia Curtis 
* A new genus discovered in Florida. 
