Hermetia illucens
In 3 days ~80% in a week >90%
Hermetia illucens, known colloquially as the black soldier fly, is a widespread fly of the family Stratiomyidae. Black soldier fly larvae are commonly utilized in composting systems due to their ability to rapidly break down food waste. In recent years, H. illucens has increasingly been gaining attention because of its hyperaccumulation of protein and fats via consumption of renewable substrates.
This species is native to the Neotropical realm, but in recent decades has spread across all continents, becoming virtually cosmopolitan. It is present in parts of North America and Europe, including the Iberian Peninsula, southern France, Italy, Croatia, Malta, the Canary Islands, and Switzerland, and on the Black Sea coast of Russia in Krasnodar.
It can also be found in the Afrotropical realm, the Australasian realm, the east Palaearctic realm, the Nearctic realm, North Africa, Southern Africa, and the Indomalayan realm, including South Asia such as India and Pakistan.
The adults of H. illucens measure about 16 millimetres (5⁄8 in) long. These medium-sized flies have a predominantly black body, with metallic reflections ranging from blue to green on the... Wikipedia →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cần Thơ | 🇻🇳 Vietnam | |
| 2 | Davao City | 🇵🇭 Philippines | |
| 3 | Raipur | 🇮🇳 India | |
| 4 | Monrovia | 🇱🇷 Liberia | |
| 5 | Thrissur | 🇮🇳 India | |
| 6 | Goiânia | 🇧🇷 Brazil | |
| 7 | Nanchang | 🇨🇳 China | |
| 8 | Tiruppur | 🇮🇳 India | |
| 9 | Thiruvananthapuram | 🇮🇳 India | |
| 10 | Tasikmalaya | 🇮🇩 Indonesia |
No species of the same family or order lives in Cần Thơ, so these are its closest relatives here: other insects.
Likely
About 50% of wildlife watchers report a Black Soldier Fly sighting in Cần Thơ on a given day, based on 6 verified sightings from GBIF citizen-science data. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
December and January
In those months about 60% of wildlife watchers report a Black Soldier Fly in Cần Thơ on a given day, against about 10% in February and March, the lowest months. Those are among Cần Thơ's driest months, with about 30 mm of rain a month against 220 mm in September. June, August–September and November have too few records to rate.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Black Soldier Fly sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 147 cities where we can rate Black Soldier Fly sightings, Cần Thơ has the highest daily chance: about 50%. Next come Davao City (Philippines, about 40%) and Raipur (India, about 40%).
GBIF citizen-science records
It is estimated from how often the Black Soldier Fly is recorded against all the insects logged in Cần Thơ (6 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.
