362 MEMOIRS OF THE CARNEGIE MUSEUM 



Two subfiiinilies liave been defined, separated by the numlier of joints in the 

 tarsi. 



TABLE OF SUBFAMILIES. 



Tarsi .5-jointec] Subfamily I. GoNATOCERiNiE. 



Tarsi 4-jointed Subfamily II. Mymarin^. 



Subfamily I. Gonatocerin^e. 

 The subfamily is easily recognized by the longer tarsi which are always 5-jointed, 

 never 4-jointed. 



Two tribes may be distinguished by the following simple characters : 



TABLE OF TKIBES. 



Abdomen^ petlolate Tribe I. Ooctonini. 



Abdomen petiolate Tribe II. Gonatoceriui. 



Tribe I. Ooctonini. 



TABLE OF GENERA. 



1. Females '. 2 



Males 3 



2. Antennse 11-jointed Ooctonus Haliday (type O. insignis Hal.). 



Antennje 9-jointed Camptotera Forster (type C. jxtpaveris Forst.). 



3. Antennse 13-jointed Ooctonus Haliday. 



(?) Palaeomyrmar Meunier (type P. suecine Meunier). 

 Antennse 10-jointed Camptotera Forster. 



Tribe II. Gonatocerim. 

 The distinctly petiolated abdomon distinguishes the tribe. 



TABLE OF GENERA. 



1. Females 2 



Males 4 



2. Antennse more than 8-jointed 3 



Antennas 8-jointed. 



Marginal vein long Leimacis Forster (type L. rufula Forst.). 



Marginal vein short Alaptus Haliday (type A. buscalus Hal.). 



3. Antennte 9-jointed ; marginal vein long Litus Haliday (type L. cynipseits Hal.). 



? = Malfattia Meunier (type M.moliiorse Meun.). 

 Antennie 11-jointed ; marginal vein short Gonatocerus Nees (type G. longicornis Nees). 



4. Marginal vein short 5 



Marginal vein long. 



Antenn.'u 11-jointcd Leimacis Forster. 



Antennie 13-jointed Litus Haliday. 



5. Antennse 10-jointed Alaptus Haliday. 



Antennae 13-jointed Gonatocerus Nees. 



