242 
Psyche 
[December 
not known whether S. fairchildi lives in plant cavities, but it does seem 
likely that it is a subarboreal forager. 
Distribution : Panama : Cerro Campana, Panama Province ca. 
800 m altitude ; known only from the holotype. 
Figure 1. Strumigenys India, worker from Veracruz, dorsal full-face view 
of head showing fringing pilosity only. 
Group of ludia 
21. Strumigenys longispinosa Brown, 1958 
Brown, 1958b: 123-126, figs. 1, 2, worker. 
Biology : Nests in the soil of tropical forest. 
Distribution : Panama. 
22. Strumigenys marginiventris Santschi, 1931 
Brown, 1958b: 126-128, fig. 3, worker, female. 
Biology: Nests in the soil, often in paths or other other openings, 
in rain forest or plantations, and the workers forage over the open 
ground among leaves or herbs by day as well as night. Common on 
Barro Colorado Island. 
New records: Palmar, Puntarenas Dept., Costa Rica, in soil of 
banana plantation, several collections (E. O. Wilson leg.). 
Distribution : Golfo Dolce region of Costa Rica to northern Colom- 
bia. 
23. Strumigenys ludia Mann, 1922 (Figs. 1, 5) 
Brown, 1954a: 194-196, worker, female. 
Biology: S. ludia has been investigated at length in the field by 
