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Pogonomyrmex occidentalis, or the western harvester ant, is a species of ant that inhabits the deserts and arid grasslands of the American West at or below 6,300 feet (1,900 m). [2] Like other harvester ants in the genus Pogonomyrmex , it is so called because of its habit of collecting edible seeds and other food items.
Pogonomyrmex badius workers transporting a seed to add to their granary Messor sp. carrying seeds into their nest. Harvester ant is a common name for any of the species or genera of ants that collect seeds (called seed predation), or mushrooms as in the case of Euprenolepis procera, which are stored in the nest in communal chambers called granaries. [1]
Pogonomyrmex (sensu stricto) workers have the most toxic venom documented in any insects, with Pogonomyrmex maricopa being the most toxic tested thus far. [4] It has an LD 50 of only 0.12 mg/kg, compared to western honey bee venom, at 2.8 mg/kg, and comparable to cobra venom.
Therefore, it may be critical for them to have uncovered entrances so that the soil can cool off quickly after sunset and allow them to forage sooner. [23] In a study conducted by Cole, Haight & Wiernasz (2001), M. mexicanus nests have been observed to be closely associated with nests of Pogonomyrmex occidentalis (harvester ants).
As of 2019, however, at least one species (Pogonomyrmex occidentalis) is legal to ship within the United States, with the exception of Alaska, California, Florida, and Hawaii. In Europe, some domestic species (such as Formica rufa ) are protected, and it is illegal to own, keep, buy, or sell these ants, or to damage their nests.
These were crushed in distilled water to make a solution containing their extracts. Because it was impossible to prevent a Polyergus queen from secreting her own pheromones during a live encounter, they used the harvester ant Pogonomyrmex occidentalis (naturally attacked by Formica) as the subject.
Pogonomyrmex. Mayr, 1868. Diversity [1] c. 3 genera Pogonomyrmecini is a tribe of myrmicine ants with three extant genera, recently formed in 2015. [1] [2] Genera.
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