1932 ] 
An Australian Leptanilla 
55 
nearly 1% times as long as broad, gradually narrowed an- 
teriorly, posteriorly with rounded-subparallel sides. Post- 
petiole rounded-trapezoidal, nearly as long as broad, some- 
what broader than the petiole and somewhat wider behind 
than in front, its ventral surface convex and projecting. 
Gaster narrow, elongate-elliptical, anterior border of first 
segment slightly concave. Sting large, retracted. Legs mod- 
Fig. 1 . Leptanilla stvani sp. nov. a, worker; b, elypeus and mandible 
of same; c, antenna; d, fore tibia and tarsus; e, female; 
/, elypeus and mandible of same. 
erately stout, tips of fore metatarsi produced and digiti- 
form, but not so narrowly as in L. nana Santschi. 
Shining, with very fine and indistinct piligerous punc- 
tures. Pilosity white, very short, abundant both on the 
body and antennae, slightly longer and coarser on the gaster, 
less conspicuous and more dilute and appressed on the legs. 
Female. (Fig. 1, e and f.) Length 2 mm. 
Color, sculpture and pilosity as in the worker, but the 
hairs on the gaster very long, though fine, as in the female 
of L. theryi Forel. 
