Monomorium minimum species group

DuBios revised the North and Central American Monomorium species, placing all the species in the Monomorium minimum species group. This page is based on this study.

Species

 * Monomorium compressum
 * Monomorium cyaneum
 * Monomorium ebeninum
 * Monomorium emarginatum
 * Monomorium marjoriae
 * Monomorium minimum
 * Monomorium pergandei
 * Monomorium talbotae
 * Monomorium trageri
 * Monomorium viridum
 * Monomorium wheelerorum
 * Monomorium inquilinum

Diagnosis
DuBois defined the subgenus Monomorium:

Queen: Antenna 12-segmented with distinct 3-segmented club (lengths of club segments increasing distally); propodeum unarmed (small bump may be present); clypeus with carinae usually extended anteriorly into teeth; masticatory border of mandible with 2-5 teeth, usually 4. Worker: As in queen; promesonotal suture reduced or absent; metanotal sulcus present as pronounced constriction. Male: Antennal scape cylindrical, never surpassing occiput.

DuBois also provided the following details about the Monomerium (Monomorium) minimum species-group:

Diagnosis: All Castes: Anepisternum and katepisternum always smooth and shining; propodeum with distinct parallel longitudinal rugae on side.

Additional Resources

 * Monomorium
 * Monomorium species groups
 * United States