1985] 
Dumpert — Camponotus from Malaysia 
571 
The two species described by Forel (1911) as C. horrens and C. 
moeschi, found on the Philippines, were assigned by Forel (191 1) to 
the same group as C. dolichoderoides, and also Chapman and 
Capco (1951) classified C. horrens in the subgenus Karavaievia. 
Emery (1925), on the other hand, classified C. moeschi in the subge- 
nus Myrmamblys and C. horrens in the subgenus Colobopsis; in the 
latter case, however, Emery was not quite sure, because neither 
soldiers nor females of this species had been found. C. horrens and 
C. moeschi definitely do not belong to the subgenus Karavaievia. 
This is supported in the case of C. horrens by the carinated and 
twice-excised anterior clypeal margin of the workers, the strongly 
divergent frontal carinae and the position of the eyes in the posterior 
fourth of the head. Features against C. moeschi as a member of the 
subgenus Karavaievia are the notched clypeus, lobed in the anterior 
part; the elongated head, convex in the occipital part; position of the 
eyes at the posterior third of the head, and the weakly impressed 
metanotal groove. 
The differences between workers of the Karavaievia species are in 
coloration, sculpture and pubescence, slight differences in the shape 
of the frontal carinae, differences in size of head and eyes, and in 
shape and size of propodeum. A broader comparison of the Kara- 
vaievia sexuals, however, is not yet possible, because females of only 
3 species and males of 2 species are known. Karavaievia workers are 
dirty yellow and brown, from reddish brown to blackish brown; in 
most cases, the front of the head, the apical flagellar segments and 
the tarsi are of a uniform color, which differs from the color of the 
rest of the body. 
Key to the species of Karavaievia 
Workers 
1. Head and alitrunk shining and covered with erect hairs 2 
Head and alitrunk opaque and only sparsely covered with erect 
hairs 3 
2. Uniformly dirty yellow, anterior parts of head and gaster lighter. 
Gaster with darker segment borders. Frontal carinae straight and 
diverging C. exsectus 
Head, alitrunk and legs reddish brown, gaster blackish brown 
with lighter brown segment borders. Apical antennal flagellum 
