maxn: ants of tiik uiurisii solo.mon islands. 373 



Tlirro Sisters: Malapaiiia (Type-locality). San ( "ristoval : Wai- 

 noni Bay. 



Near somnicri Forel, from New Caledonia and fictor Forel from 

 Australia, but with the head much narrower and more elongate. 



The San Cristoval specimens are a little darker than those from 

 Malapaina, which may not be fully colored. 



107. Camponotus (Colobopsis) loa, sp. nov. 



Soldier. Length 4.5 mm. 



Head longer than broad, sides subparallel, posterior angles broadly rounded, 

 border convex; rounded between anterior impressed portion and dorsal sur- 

 face. Mandibles 5-dentate. Clypeus with five eighths of its length on the 

 truncated portion, quadrangular, distinctly margined laterally and straight 

 at anterior border; strongly bicarinate for entire length, the carinae con- 

 verging anteriorly, and with two lateral carinae on basal three eighths. 

 Frontal area poorly defined, broadly triangular. Frontal carinae slightly 

 divergent, nearly straight, extending to a point a little in front of middle of 

 eyes. Antennal scapes surpassing occipital corners by a distance equal to 

 their width at tips; funicular joint as long as the second and third together. 



Fig. 45.— Camponotus (Colobopsis) loa Mann. Worker major. Lateral view of head, 

 thorax, and petiole. 



The remaining joints, except the terminal, gradually shorter and stouter; 

 terminal joint as long as the two preceding joints together. Eyes large and 

 flat; situated at posterior thu-d of head. Thorax robust. Pronotum but 

 slightly convex above, humeri broadly rounded. :Mesothorax rather flat, 



