Monomorium salomonis

Nomenclature

Species: Monomorium salomonis (Linnaeus, 1758)

Usage: valid
Page number: 580

External links

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Diagnostic description

Diagnosis of worker among Antkey species

Worker caste monomorphic. Head shape ovoid. Antenna 12-segmented. Antennal club 3-segmented. Antennal scrobe lacking. Antennal insertions at least partly covered by frontal lobes; not surrounded by a raised sharp-edged ridge. Frontal lobes do not obscure face outline between mandible and eye. Antennal scapes not conspicuously short; easily extended beyond eye level. Posterolateral corners of head unarmed, without spines. Eyes medium to large (greater than 6 facets); distinctly less than half head length. Mandibles triangular. Mesosoma with erect hairs; entirely covered with punctate sculpture. Pronotal spines absent. Propodeum lacking spines or teeth. Waist 2-segmented. Petiole with peduncle; lacking large subpetiolar process. Postpetiole not swollen, in dorsal view not distinctly broader than long or distinctly wider than petiole. Color uniformly dull brownish yellow.

Monomorium salomonis is distinguished from M. ebeninum, M. floricola and M. liliuokulanii by its brownish yellow color and dull appearance caused by a uniformly punctate sculpture. It is distinguished from M. destructor by its uniformly dull and punctate head (versus smooth and shining), uniform color (versus contrasting dark gaster), and monomorphic worker caste. Monomorium salomonis, together with M. subopacum, is most easily confused with M. pharaonis, but is distinguished from them by the lack of erect hairs on the mesosoma.

Distribution

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Lateral view of body, entire, adult worker.
Lateral view of body, entire, adult worker.
Dorsal view of body, entire, adult worker.
Dorsal view of body, entire, adult worker.
Anterior view of head, adult worker.
Anterior view of head, adult worker.
Lateral view of thorax / mesosoma, adult worker. The dorsal surface of the mesosoma may have appressed pilosity, but it lacks erect hairs. Used to distinguish species in the  Monomorium salomonis -group ( Monomorium salomonis  and  Monomorium subopacum ) from all other  Monomorium  species in Antkey.
Lateral view of thorax / mesosoma, adult worker. The dorsal surface of the mesosoma may have appressed pilosity, but it lacks erect hairs. Used to distinguish species in the Monomorium salomonis-group (Monomorium salomonis and Monomorium subopacum) from all other Monomorium species in Antkey.