Guam

Guam
Location
Region	Oceania
Subregion	Micronesia
BioRegion	Indo-Australian Region
Diversity
Subfamilies	5
Genera	24
Endemic Genera	0
% Endemic Genera	0.0%
Species/Subspecies	42
Endemic Species	1
% Endemic Species	2.4%
Introduced Species	1

The following valid species and subspecies of ants are known to occur in Guam. Unidentified and undescribed species will be added to this list as identifications are verified and taxonomic revisions are published. This species list is based upon the effort of many ant collectors as well as myrmecologists who have published on the taxonomy of Guam ants. Those who have specimen records that expand this list are encouraged to submit this information in the discussion section of the Guam Ants web page. Please advise if any corrections are warranted.

Anoplolepis

• Anoplolepis gracilipes (Smith, F., 1857)

Brachymyrmex

• Brachymyrmex obscurior Forel, 1893

Camponotus

• Camponotus micronesicus Blanchard & Clouse, 2016
• Camponotus reticulatus fullawayi Wheeler, W.M., 1912

Cardiocondyla

• Cardiocondyla kagutsuchi Terayama, 1999
• Cardiocondyla minutior Forel, 1899
• Cardiocondyla obscurior Wheeler, W.M., 1929
• Cardiocondyla tjibodana Karavaiev, 1936

Hypoponera

• Hypoponera punctatissima (Roger, 1859)

Leptogenys

• Leptogenys falcigera Roger, 1861

Monomorium

• Monomorium floricola (Jerdon, 1851)
• Monomorium pharaonis (Linnaeus, 1758)

Nylanderia

• Nylanderia bourbonica (Forel, 1886)

Odontomachus

• Odontomachus simillimus Smith, F., 1858

Ooceraea

• Ooceraea biroi (Forel, 1907)

Paratrechina

• Paratrechina longicornis (Latreille, 1802)

Paraparatrechina

• Paraparatrechina minutula (Forel, 1901)

Pheidole

• Pheidole fervens Smith, F., 1858
• Pheidole megacephala (Fabricius, 1793)
• Pheidole nindi Mann, 1919
• Pheidole oceanica Mayr, 1866
• Pheidole recondita Clouse, 2007
• Pheidole umbonata Mayr, 1870

Platythyrea

• Platythyrea parallela (Smith, F., 1859)

Polyrhachis

• Polyrhachis dives Smith, F., 1857

Ponera

• Ponera loi Taylor, 1967

Solenopsis

• Solenopsis geminata (Fabricius, 1804)

Strumigenys

• Strumigenys emmae (Emery, 1890)
• Strumigenys godeffroyi Mayr, 1866
• Strumigenys membranifera Emery, 1869

Syllophopsis

• Syllophopsis sechellensis (Emery, 1894)

Tapinoma

• Tapinoma melanocephalum (Fabricius, 1793)
• Tapinoma minutum Mayr, 1862

Technomyrmex

• Technomyrmex albipes (Smith, F., 1861)
• Technomyrmex kraepelini Forel, 1905

Tetramorium

• Tetramorium bicarinatum (Nylander, 1846)
• Tetramorium lanuginosum Mayr, 1870
• Tetramorium simillimum (Smith, F., 1851)
• Tetramorium smithi Mayr, 1879
• Tetramorium tonganum Mayr, 1870

Trichomyrmex

• Trichomyrmex destructor (Jerdon, 1851) (introduced)

Vollenhovia

• Vollenhovia oblonga Smith, F., 1860

References

• Wheeler, W. M. 1912. The ants of Guam. Journal of the New York Entomological

Society 20: 44–48.

• Swezey, O. H. 1942. Formicidae of Guam. Bernice P. Bishop Museum Bulletin

172: 175–183.