70 
AUSTRALIAN SPECIES OF RHYTIDOPONERA MAYR 
base. Postpetiole one-sixth broader than long, sides strongly convex. First 
segment of gaster fully one-third broader than long, sides almost parallel, 
feebly convex. Genitalia retracted. Legs long and slender. 
Habitat. — Queensland'. Laidley (H. Hacker); Toowoomba (W. B. 
Barnard); Stanthorpe (E. E. Sutton). New South Wales: Lismore 
(F. C. Deuquet) ; Wardell (J. Clark). 
Originally described as a variety of 7?. convexa Mayr, this 
species really belongs to the cristata group. 
Bhytidoponera foveoJata Crawley. 
(PI. V, fig. 47-48.) 
Rhytidoponera foveolata Crawley, Ann. Mag. Nat. Hist., 9, xvi, p. 581, 
1925, . 
Worker. — Length, 9 mm. 
Dark chocolate-brown, mandibles, funiculi and legs reddish-brown. 
Mandibles rather coarsely and densely striate. Scapes very finely and 
densely striate. Clypeus longitudinally rugose. Head punctate-reticulate, 
the punctures large and shining at bottom, rather finely striate-rugose 
between frontal carinae. Thorax and node densely punctate-reticulate as on 
head. Postpetiole and first segment of gaster very finely and densely reticu- 
late, with numerous large, very shallow punctures and traces of transversely 
arched striae at anterior of postpetiole, first segment with traces of longi- 
tudinal striae. Legs finely punctate. 
Hair yellowish red, a few rather long on front of clypeus and apex of 
gaster, very short and erect elsewhere, much shorter on scapes than on legs. 
Head very slightly longer than broad, slightly broader behind than in 
front, sides convex, occipital border concave in middle, angles strongly 
rounded, a feeble crest on the occipital border. IMandibles edentate. Clypeus 
strongly convex above and in front. Frontal area large but not deep. Frontal 
carinae as long as broad in front. Scapes extend beyond occipital border 
by almost half their length. First segment of funiculus shorter than second, 
apical as long as the two preceding together. Eyes convex, placed at posterior 
third of sides. Thorax barely twice as long as broad, sutures sharply 
impressed. Pronotum broader than long, sides almost parallel, dorsum con- 
vex. Mesonotum one-fourth broader than long, strongly convex. Epinotum 
strongly convex transversely. In profile evenly convex longitudinally, broken 
at sutures. Node fully one-third broader than long, oval, a narrow, rather 
deep, longitudinal groove in the middle. In profile twice as long as high, 
anterior and posterior faces parallel, anterior face slightly concave, dorsum 
straight, sloping backward and rounded into posterior face, the ventral spine 
thorn-like, long, slender and sharp. Postpetiole one-fourth broader than 
long, almost hemispherical. Eirst segment of gaster one-eighth broader than 
long, strongly convex behind; the constriction between the two segments 
narrow and deep. Legs robust. 
Male. — Length, 10- 5-11 mm. 
Blackish-brown. Mandibles, clypeus, antennae and legs brown. Wings 
with a yellowish tinge, nervures brown. Mandibles longitudinally striate. 
Head and thorax irregularly punctate-rugose. Node transversely rugose. 
Postpetiole very densely reticulate, with some large, very shallow, scattered 
punctures. Gaster more finely and densely reticulate and with similar large 
punctures. Legs very finely reticulate. 
