129. Formica suffusa ^HNS. B.M.

Female. Length 7 lines.-Black: the head obscurely ferruginous, the face darkest, the antennae black; the thorax with the sides with ferruginous stains above, the scutellum and two longitudinal stripes on the mesothorax, ferruginous; the legs ferruginous; wings fusco-hyaline, the nervures light brown, with a stain running along their course. Abdomen ovate, thinly clothed with pale golden pubescence.

Hab. Australia.

From the close resemblance between this species and F. piliventris ^HNS, it is probable that this is the female of that insect.