2 
Psyche 
[Vol. 92 
Table 1 . List of ant genera and well-defined subgenera known from the Domini- 
can amber. CBU: recorded by Baroni Urbani (I980a-d) and Baroni Urbani and 
Saunders (1982). CBIJ/EOW: recorded independently by both Baroni Urbani 
(I980a-d; and with Saunders, 1982) and E. O. Wilson (hitherto unpublished). 
Generic names without accompanying initials represent determinations by the author 
and are recorded here for the first time. (*) unknown in modern faunas. 
Subfamily Ponerinae 
Oligomyrmex 
Anochetus (CBU / EOW) 
* Oxvidris, new genus 
Cylindromvrmex 
Paracryptocerus (CBU / EOW) 
Gnamptogenys (CBU/ EOW) 
Pheidole 
Hvpoponera 
New genus, near Rogeria 
Odontomachus 
Smithistruma 
Paraponera 
Solenopsis ( Solenopsis ) 
Platvthyrea 
Solenopsis ( Diplorhoptrum) 
Prionopelta 
Trachymyrmex (CBU) 
Trachymesopus 
[Zacrvptocerus: see 
Paracryptocerus ] 
Subfamily Dorylinae 
Neivanivrmex 
Subfamily Dolichoderinae 
Azteca 
Subfamily Pseudomyrmecinae 
Dolichoderus 
Pseudomvrmex (CBU/ EOW) 
Hypoclinea 
Iridomyrmex 
Subfamily Myrmicinae 
[Leptomyrmex = Camponotus'h 
Aphaeno^aster 
CBU / EOW] 
Crematogaster ( Acrocoelia ) 
Monads (CBU/ EOW) 
Cremaiogaster ( Orthocrema ) 
Cyphomyrmex 
Erebomyrma 
Tapinoma 
* Ilemomyrmex, new genus 
Subfamily Formicinae 
Leptothorax ( Macromischa ) 
Camponotus 
Leptothorax ( Nesomvrmex) 
Paratrechina 
Octostruma 
Prenolepis 
The purpose of this first article of a planned series on the Domini- 
can fauna is to describe the three most distinctive new species 
encountered in any collection known to me: two new myrmicine 
genera ( Ilemomyrmex , Oxvidris ) and a remarkable pheidoline 
which I have provisionally placed in the genus Pheidole. 
Ilemomyrmex, new genus 
Diagnosis {worker). Small, eyeless myrmicine possessing the fol- 
lowing distinctive combination of features: large, flaring frontal 
lobes that are raised well above the antennal insertions and cover 
most of the clypeus in full-face view; shallow antennal scrobes with 
