Messor structor
In 3 days ~20% in a week ~40%
Messor structor is a species of harvester ant belonging to the subfamily Myrmicinae native to the Mediterranean region and adjacent areas. It has been reported from southern Europe (e.g. Iberian Peninsula, France, Italy, Balkans) through North Africa and into western Asia. Its northern range reaches into the southern parts of Central Europe.
Messor structor is a large, seed-harvester ant with pronounced worker polymorphism. Workers range roughly 4–10 mm in length. The body color is typically dark brown to black; unlike some other Messor species, many M. structor workers have a distinctly brown hue. The exoskeleton is covered with relatively dense, stiff hairs or bristles.
M. structor typically inhabits dry, open habitats – especially sandy or steppe environments. It favors steppes, semi-deserts and sandy plains. Like other harvester ants, M. structor is mainly granivorous. Workers forage for and collect seeds throughout the warm season. They remove seed appendages before storing the seeds in the nest, which inhibits seed germination. Colonies can accumulate large seed stores, often 1–2 kg or more in underground chambers.... Wikipedia →
| # | Park | Country | Daily sighting probability |
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More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a Messor structor sighting in Belgrade on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 57th most-seen of the 127 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
March–May and September–October
In those months about 10% of wildlife watchers report a Messor structor in Belgrade on a given day, against under 5% in June–August and November–February, the lowest months.
Among the best
Of the 2 cities where we can rate Messor structor sightings, Belgrade ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Budapest (Hungary, about 10%).
Same family: Formicidae
The closest relatives of the Messor structor that you can see in Belgrade (family Formicidae, Ants) are Small-Headed Tree Ant (about 10%), Schmidt's Cocktail Ant (about 10%) and Eurasian Winter Ant (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Messor structor is recorded against all the insects logged in Belgrade (8 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
