68 
Psyche 
[ March 
MYRMECOLOGICAL NOTES 
By William Morton Wheeler 
Biological Laboratories, Harvard University 
1. New Subgenera of Dolichoderin^e. 
The genus Dolichoderus Lund (1831) now comprises more 
than 150 described species, subspecies and varieties. While 
revising these forms I have found it advisable to add to the 
number of subgenera recognized by Emery in his already 
somewhat antiquated fascicle on the Dolichoderinse in the 
“Genera Insectorum” (1912). He accepted only three gen- 
era, Dolichoderus sens, str., Monacis Roger (1862) and IIv- 
poclinea Mayr (1855). The first and second restricted to 
tropical America, contain comparatively few species and 
are clearly defined. All the remainder were assigned to Hy- 
poclinea, which is very heterogeneous and much more widely 
distributed, since it is represented in all the great zoogeo- 
graphical regions, except Africa and Oceania. More recently 
(1926) Karawajew has established another subgenus, Dia- 
bolus, on what he erroneously supposed to be an undescribed 
species from Java. I adopt this subgenus, however, and 
propose three others for as many groups of East Indian, 
Papuan and Australian species formerly assigned to Hypo- 
clinea. These subgenera, which are here listed are charac- 
terized like Dolichoderus sens. str. and Monacis, by pecul- 
iarities of the thoracic armature: 
Monoceratoclinea subgen. nov. Subgenotype: Dolichod- 
erus ( Hypoclinea ) monoceros Emery (1897). Other spe- 
cies: D. ( H .) tricornis Emery. 
Habitat: New Guinea. 
Diabolus Karawajew (1925). Subgenotype: Polyrcha- 
chis cuspidatus F. Smith (1857) (This subgenus was based 
on D. ( Diabolus ) bifurcatus Karawajew, which is synony- 
mous with D. ( H .) cuspidatus surbecki Santschi (1925). 
Other species : furcifer Emery and coniger Mayr. 
Habitat : Indonesia. 
