Nearctic: Texas > Formicidae > Pseudomyrmecinae > Pseudomyrmex
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Genus: Pseudomyrmex

Name Status: Valid Name

Taxonomic Hierarchy:

Subfamily: Pseudomyrmecinae Genus: Pseudomyrmex

Taxonomic History (provided by Barry Bolton, 2013)

Extant: 134 species, 17 subspecies

Fossil: 12 species

Pseudomyrmex Lund, 1831b: 106 Type-species: Formica gracilis, by subsequent designation of Smith, 1952a PDF: 98. AntCat AntWiki

Taxonomic history

Pseudomyrmex in Pseudomyrmecinae: Smith, 1952a PDF: 98; all subsequent authors.

Genus Pseudomyrmex references

Smith, 1858a PDF: 153 (diagnosis); Roger, 1863b PDF: 24 (catalogue); Mayr, 1863a PDF: 426, 451 (Leptalea, Pseudomyrma catalogues); Mayr, 1865: 24 (diagnosis); Mayr, 1870a PDF: 407 (Colombia + Panama ({? = New Grenada}) species key); Smith, 1877b PDF: 58 (checklist); Cresson, 1887: 262 (U.S.A. catalogue); Dalla Torre, 1893: 55 (catalogue); Emery, 1921c: 28 (diagnosis, catalogue); Gallardo, 1932a PDF: 44 (Argentina species key); Enzmann, 1944 PDF: 62 (all species keys); Creighton, 1950a PDF: 79 (North America species key); Kempf, 1961a PDF: 373 (P. gracilis group, partial key); Kempf, 1972b PDF: 215 (Neotropical catalogue); Alayo, 1974: 9 (Cuba species key); Smith, 1979: 1345 (North America catalogue); Ward, 1985b PDF: 215 (Nearctic species key); Billen, 1986b: 173 (Dufour's gland); Ward, 1989a PDF: 407 (Pseudomyrmex oculatus group, key); Ward, 1989a PDF: 430 (Pseudomyrmex subtilissimus group, key); Ward, 1990 PDF: 469 (diagnosis, review of genus); Brandão, 1991 PDF: 373 (catalogue); Ward, 1992 PDF: 76 (Dominican Amber species key); Ward, 1993 PDF: 130 (swollen-thorn Acacia-associated species key); Bolton, 1994: 184 (synoptic classification); Bolton, 1995a PDF: 1052 (census); Bolton, 1995b: 370 (catalogue); Ward, 1999B PDF: 473 (Pseudomyrmex viduus group, and other Tachigali- and Triplaris-associated species key); Mackay & MacKay, 2002 PDF: 38 (U.S.A., New Mexico species key).

Genus Pseudomyrmex references

Biology:

Most species of Pseudomyrmex nest in dead twigs or stems of woody plants. Some have become specialized inhabitants of live plant domatia, such as the acacia-ants that occupy swollen-thorn acacias.

Identification:

Worker: antennae 12-segmented; mandibles with proximal tooth on basal margin; eyes large and elongate, more than 1.5 times as long as wide. Other characters as in subfamily.