Bug FAQOsmia latreillei
Osmia latreillei · Order: Hymenoptera · Family: Megachilidae
Osmia latreillei is a mason bee in the Megachilidae family that lives in central and southern Europe, especially France, Germany, Switzerland, Italy, Greece, and Spain. Females dig ground tunnels to make brood cells, the larvae feed on pollen for about a month, overwinter as prepupae, and adults appear from late March through July.
Source: Wikipedia
Where it lives
Females dig tunnels in the soil and create brood cells at the ends of these tunnels.
Source: Wikipedia
What it eats
It collects pollen only from plants in the Asteraceae family, though adults also feed on a variety of other flowering plants.
Source: Wikipedia
Life cycle
Eggs hatch and the larvae feed directly on pollen for about thirty days, then overwinter as prepupae. In spring they pupate and adults emerge by the end of March.
Source: Wikipedia
When you see it
Adults are active and fly from April through July.
Source: Wikipedia
Where it comes from
The species is native to central and southern Europe, including France, Germany, Switzerland, Italy, Greece, and Spain.
Source: Wikipedia
More photos
Questions people ask
Same family (Megachilidae)
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Sources
- Wikipedia: https://en.wikipedia.org/wiki/Osmia_latreillei
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.