8. Myrmica opaca ^HNS.

M. nigra, opaca, delicatule scabrosa; pedibus rufo-fuscis, tarsis pallide testaceis.

Worker. Length 2 lines. Opake-black, the head, thorax and nodes of the peduncle finely scabrous, on the head having a tendency to run into lines; behind the eyes is a longitudinal groove, apparently for the reception of the scape of the antennae; the antennae obscurely ferruginous with the tip pale; the mandibles ferruginous, striated and with several black teeth on their inner margin. Thorax armed posteriorly with two stout curved spines; the tarsi pale rufo-testaceous. The nodes of the peduncle large and globose; the abdomen thinly sprinkled with erect white setae.

Hab. Celebes (Tondano).