114 HYMENOPTERA 



striated and globose ; the abdomen smooth and shining. Length, 

 3i lines. 



Peel Forest, west coast of South Island ; Dunedin. 



T. NiTiDUM. Smith, Trcms. Ent. Soc, 1876, p. 480. 



Female. Black ; smooth and shining ; mandibles obscurely ferru- 

 ginous ; a longitudinal impressed line in front of the anterior ocellus, 

 which emits a channel to the insertion of each antenna, at about half 

 its length. The thorax oblong-ovate ; the metathorax with a central, 

 longitudinal deep sulcation, which is smooth and shining ; wings sub- 

 hyaline and iridescent, with the nervures testaceous. Abdomen ovate, 

 smooth, and shining ; the first joint of the petiole clavate ; the second 

 subglobose. Length, So lines. 



Worker. Jet-black, smooth and shining ; mandibles ferruginous. 

 Thorax oblong, rounded anteriorly and very convex, compressed pos- 

 teriorly and strangulated ; the metathorax deeply grooved posteriorly 

 and subdentate; the tips of the femora slightly- ferruginous. Ab- 

 domen ovate, smooth, and shining ; the first joint of the petiole 

 clavate, the second globose. Length, 2 lines. 



Male. Jet-black ; smooth and shining. Head sub-opaque, pubes- 

 cent, and longitudinally striated. The mesothorax with a few abbre- 

 viated strise in front, and, as well as the scutellum and metathorax, 

 smooth and shining ; the latter deeply sulcated posteriorly. Wings 

 sub-hyaline and iridescent, with the nervures testaceous. Abdomen, 

 and nodes of the petiole, smooth and shining. Length, 2k lines. 



Canterbury. 



Genus-MONOMORIUM. 



Mayr. 

 Maxillary palpi two-jointed ; labial palpi two-jointed. 



M. FULVUM. Mayr, Reise der '' Novaraj'^ Formicida, p. 93, pi. III., 

 /. 25 (1867) . 



Worker. Fulvous ; club of the antennae brownish ; hairy, shining, 

 smooth ; thorax punctate on the sides only ; clypeus bidentate and 

 emarginate ; first joint of the funiculus twice as long as the second. 



Length, •14 to "16 inch. 



Auckland. 



Genus-OEECTOaMTHUS. 



Smith. 

 Head heart-shaped, deeply emarginate behind ; mandibles porrect, 

 bifurcate at their ajiex, near to which is a sharp tooth or spine ; eyes 



