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pharaoh ants

Monomorium pharaonis (Linnaeus)

Description:

The workers of Monomorium pharaonis (L.) while monomorphic (same size), do vary slightly in length and are approximately 1.5 to 2 mm long . The antennae have 12 segments with each segment of the 3-segmented antennal clubs increasing in size toward the apex of the club . The eye is comparatively small, with approximately six to eight ommatidia across the greatest diameter. The prothorax has subangular shoulders, and the thorax has a well- defined mesoepinotal impression. Erect hairs are sparse on the body, and body pubescence is sparse and closely appresssed. The head, thorax, petiole and postpetiole (the petiole, or the petiole and postpetiole, in ants is also called the pedicel) are densely (but weakly) punctulate, dull, or subopaque. The clypeus, gaster, and mandibles are shiny. The body color ranges from yellowish or light brown to red , with the abdomen often darker to blackish . A stinger is present but is rarely exserted .

Habitat:

The Pharaoh ant colony consists of queens, males, workers, and immature stages (eggs, larvae, pre- pupae, and pupae). Nesting occurs in inaccessible warm (80 to 86°F), humid (80%) areas near sources of food and/or water, such as in wall voids. The size of the colony tends to be large but can vary from a few dozen to several thousand or even several hundred thousand individuals. Approximately 38 days are required for development of workers from egg to adult. Queens can live four to 12 months, while males die within three to five weeks after mating

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ShruthiNayak
Spotted by
ShruthiNayak

Mysuru, India

Spotted on Jan 5, 2013
Submitted on Jan 5, 2013

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