Invasive African Ant, Among World's Most Harmful, Discovered in Israel
Translated & summarized from i24NEWS by baba
Israel's Ministry of Environmental Protection has confirmed the discovery of the invasive large-headed ant (Pheidole megacephala) in Haifa, marking its first confirmed presence in the country. This African species is among the world's most damaging invasive ants and poses significant ecological and agricultural threats. Authorities are collaborating on mapping, monitoring, and control efforts to prevent its spread. Residents are urged to report sightings of the ant, which can be identified by its distinctive large head and rapid movement.
The story in 5 lines · by baba
- Israel confirms first sighting of the invasive African large-headed ant in Haifa.
- The large-headed ant is considered one of the world's 100 most damaging invasive species.
- The ant poses significant threats to ecosystems and agriculture, but not human health.
- Authorities are collaborating on mapping, monitoring, and control efforts in Haifa.
- Residents are asked to report sightings of the ant to the Ministry of Environmental Protection.
Israel's Ministry of Environmental Protection has confirmed the first-ever detection of the large-headed ant (Pheidole megacephala), an invasive species from Africa considered one of the world's 100 most damaging invasive species. The ant was identified in the Neve Sha'anan neighborhood of Haifa, specifically around Giv'at Ha'shabashet and nearby streets, following reports from residents. Authorities are also investigating potential sightings in the Hadar neighborhood.
In collaboration with the Haifa Municipality, the Nature and Parks Authority, and Tel Aviv University, the ministry is working to map infestation sites, monitor the ant's spread, and develop tailored treatment strategies to curb its presence and prevent further establishment in Israel. Dr. Shay Reichler, Director of the Pest Control Department at the Ministry of Environmental Protection, emphasized the need for swift, professional action to contain the new invasive species before it becomes entrenched. While not a health risk to humans, the ant can significantly harm ecosystems and cause substantial agricultural damage.
The large-headed ant, native to Africa, has spread globally, particularly in warm climates. Its name derives from the large heads of the soldier ants in its colonies. These ants reproduce and spread rapidly, forming extensive networks of cooperating nests that can contain multiple queens. They are omnivorous, feeding on insects, seeds, and organic matter.
Similar to the invasive little fire ant, the large-headed ant can expand its territory through the unintentional transport of infested plants, soil, and cuttings. Its establishment poses a serious threat to local ecosystems by displacing native ant species and impacting other arthropods, snails, and slugs. It also preys on small vertebrates like bird hatchlings, geckos, and reptiles, causing cascading effects such as disrupting seed dispersal by native ants. Furthermore, it can damage agriculture by fostering and protecting plant pests like aphids from their natural enemies and may also affect infrastructure.
The Ministry of Environmental Protection urges anyone who encounters the large-headed ant to report it via email to pestcontrol@sviva.gov.il. Suspected presence can be identified by numerous ants moving rapidly in dense trails, especially when small ants are seen alongside larger ones with disproportionately large heads. The ants are brown, 2-3 millimeters long (twice the size of the little fire ant), with lighter brown bodies and darker front and rear sections, and are often observed climbing trees. Nests are dense on the ground, sometimes surrounded by dead ants. However, due to the existence of similar-looking native ant species, professional verification is required for definitive identification.
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