AUSTRALIAN SPECIES OF RHYTIDOPONERA MAYR 
57 
Metanotum four times broader than long, convex in all directions. Epinotum 
feebly convex transversely. In profile pronotum convex, inclined backwards. 
Mesonotum erect, strongly convex. Scutellum longer than high, dome shaped. 
Metanotum as long as high. Epinotum strongly convex from base to apex. 
Node almost parallel, broadest behind. In profile convex above, sloping 
Male. 
gradually in front, almost parallel ; the ventral spine very long, slender and 
sharp. Postpetiole broader than long, cone-shaped, sides feebly convex. 
First segment of gaster one-third broader than long, broadest behind, sides 
convex. Legs long and slender. Genitalia retracted. 
Habitat. — New South Wales: Hunter River (type locality). 
RJiytidoponera punctata Smith. 
(PI. V, tig. 34.) 
Ectatomma punctata Smith, Cat. Hymn. Brit Mus., vi, p. 104, 1858; 
Mayr, Jour. Mus. Godeffroy, xii, p. 91, 1876, . 
Ectatomma punctata Ford, Ann. Soc. Ent. Belg., xxxviii, p. 459, 1893 
(non Smith), ^ . 
Ectatomma (Rhytidoponera) punctata Ford, Fauna Sudwest Austral, 
i, p. 268, 1907, ^ . 
Rhytidoponera (Rhytidoponera) punctata Emery, Gen. Ins., fasc. 118, 
p. 38, 1911,5. 
Worker. — Length, 10 mm. 
Blackish-brown, mandibles, antennae and legs brown. 
Mandibles finely striate longitudinally. Scapes and legs microscopically 
reticulate. Head, thorax and node with scattered large shallow punctures, 
shining at bottom ; front of head with some longitudinal rugae diverging 
outward behind; the longitudinal groove on top of node transversely striate. 
Gaster very densely, microscopically punctate; the head, thorax and node 
with a similar ground scultpure between the large punctures. 
Hair yellow, long, slender and erect on front of clypeus, short and sparse 
at apex of gaster, sparse, short and suberect on antennae and legs, not apparent 
on head and body. Pubescence apparent only on funiculi and gaster, very 
sparse, fine and adpressed. 
E 
