'34 ANTS. 



Family FOKMICID/E (Ileterogyna). 

 Subfamily 1. POXERIXJi Mayr. 



Worker alway> with highly developed sting. Frontal carinae verti- 

 cal, oblique or forming horizontal lobes partly covering the antennal 

 insertions. Antenna? 12-, rarely 9-, 10- or u-jointed. Palpal joints 

 nearly always reduced. Clypeus well-developed. Pedicel nearly 

 alway< i-jointed; first gastric segment usually narrowed behind where 

 it encloses the basally constricted second segment, which bears a stridu- 

 latory organ on its dorsal surface. Female usually winged and but 

 little larger than the worker ; ergatoid, apterous or gynaecoid in some 

 forms. Male usually with long gaster ; genitalia partially exserted or 

 in a few tribes (Cerapachysii and Proceratii), completely retractile. 

 Pedicel like that of the worker. Wings usually with 2 closed cubital 

 cells. Wingless, ergatoid males occur in a few species. Pupae always 

 enclosed in cocoons. 



Tribe i. MYRMECII. 



Australian. Worker and female : Pedicel distinctly 2-jointed as 

 the second abdominal (first gastric segment of other Ponerinas ) is 

 narrower than the succeeding segment and strongly constricted be- 

 hind. Frontal carinae as in the Ectatommii. Eyes large. Mandible? 

 narrow, with bicuspidate teeth. Palpi with the full number of joints. 

 Females winged, barely larger than the corresponding workers. Male 

 pedicel like that of the workers. Genitalia bulky, of complicated struc- 

 ture ; stipes with dorsal and terminal branches, volsella with a well- 

 developed lamina. 



Mynnccia (Fig. 3, B}. 



Tribe 2. AMBLYOPONII. 



Cosmopolitan. Pedicel I -jointed, articulating over its whole pos- 

 terior surface with the first gastric segment. Mandibles usually nar- 

 row, inserted at the corners of the head. Palpal joints reduced. Eyes 

 of worker vestigial. Posterior tibiae with double spurs. 



Amblyopone,Stigmaiomma (Fig. 131 ), Mystrinm (Fig. 129), 

 Prionopclta, Myop 



Tribe 3. ECTATOMMII. 



Cosmopolitan. Worker and female: Pedicel i-jointed, often scale- 

 like, with slender insertion usually at half the height of the first gastric 



