THE ENTOMOLOGIST. 
ScELIONID. 
A. Club of the antenne not jointed. 
a. Wings developed. - - - 
b. Wings none or rudimentary. 
* No scutellum. : - - - 
*« Scutellum developed. - - - 
B. Club of the antenne jointed. 
a. Subcostal vein shortened, not joining the 
costa. - - - > - 
b. Subcostal vein not shortened, joining the 
costa. 
* Marginal branch very long, at least four or 
five times as long as the stigmatic branch. 
+ Scutum with two ‘sharply-defined complete 
furrows. Antenne of the male long, 
verticillate; of the female clavate. - 
++ Scutum without such furrows. Antenne of 
the male not verticillate. 
+ Hind tarsi thick. Middle tibize with feeble 
spines. - 
tt Hind tarsi not cha Middle ree hon: 
spines. - - - - 
** Marginal branch very short, mostly shorter 
than the stigmatic branch. 
+ First abdominal segment narrow. 
+ Second abdominal segment the largest. - 
t Third abdominal segment the largest. 
§ Furrows of the parapsides very distinct. 
Wings with no postmarginal branch. 
§§ Furrows of the parapsides not apparent. 
Wings with a long postmarginal branch. - 
+; First abdominal segment broad. 
t Front with a sharply-defined border. - 
tt Front with no such border. 
§ Postmarginal branch much developed, longer 
than the stigmatic branch. 
x Postscutellum with some spines. = - - 
X X Postscutellum with no spine. 
A Antenne filiform in the female. : - 
AA Antenne clavate in the female, filiform in the 
male. 
+ Marginal branch punctiform. Last joint of 
the club of the antenne twice as long as 
the preceding joint. - - 
THORON. 
Bzuvs. 
AcouLus. 
BonNEURA. 
XENOMERUS. 
TELEAS. 
PROSACANTHA. 
TELENOMUS. 
ANTERIS. 
BaRryconus. 
SPARASION. 
'TRIMORUS. 
Apreus. 
GRYON. 
