tricornis

_Osmia tricornis_ will lend itself to my experiment better than any other insect on account of its dry honey, or bee-bread, which is largely formed of flowery pollen.

Social Life in the Insect World Jean-Henri Fabre 1869

Anthophora and by an Osmia (_O. tricornis_) [4] as is proved by an observation made at the working-period, in May.

The Glow-Worm and Other Beetles Jean-Henri Fabre 1869

In twenty-two Osmia cocoons (Osmia tricornis), the total census of the inmates yields three hundred and fifty-four, of whom forty-seven are males and three hundred and seven females.

The Life of the fly; with which are interspersed some chapters of autobiography Jean-Henri Fabre 1869

The Mason-bee of the Sheds, on the other hand, supplies free lodgings to two species of Osmiae, Osmia tricornis, LATR., and Osmia Latreillii,

The Mason-Bees Jean-Henri Fabre 1869

This appearance of the males almost a month before the emergence of the females is not peculiar to the Anthophoræ; I have observed it in many other Bees and particularly in the Three-horned Osmia (_O. tricornis_), who inhabits the same site as the Hairy-footed Anthophora (_A. pilipes_).

The Glow-Worm and Other Beetles Jean-Henri Fabre 1869

The first, Anthrax sinuata, FALLEN, lives in the cocoons of Osmia tricornis, who herself builds her nest in the old galleries of the hairy-footed Anthophora; the second, Anthrax trifasciata, MEIGEN, exploits the Chalicodoma of the Sheds.

The Life of the fly; with which are interspersed some chapters of autobiography Jean-Henri Fabre 1869

Anthrax sinuata, who thrives at the cost of Osmia tricornis.

The Life of the fly; with which are interspersed some chapters of autobiography Jean-Henri Fabre 1869

Well, the Osmiae (Osmia tricornis), both male and female, can find their way back to the nest.

The Mason-Bees Jean-Henri Fabre 1869

I was more fortunate with three Osmiae (O. tricornis, LATR.,

Bramble-Bees and Others Jean-Henri Fabre 1869

Chalicodoma-nests, I have to attribute it not to this Bee but to one of the Osmiæ (_O. tricornis_ and _O.

The Glow-Worm and Other Beetles Jean-Henri Fabre 1869