Table 1.

List of compounds assigned in the extracts of male Osmia bicornis. Numbers correspond to the peaks in Fig. S1. We used 28 compounds in the analysis and were able to identify 23 by using GC/Ms or reference runs with pure substances

No.	Compound name	No.	Compound name
1	Icosane	15	(Z)‐7‐Heptacosene
2	Heneicosane	16	Heptacosane
3	Docosane	17	Octacosane
4	Tricosane	18	(Z)‐9‐Nonacosene
5	(Z)‐9‐Tetracosene	19	(Z)‐7‐Nonacosene
6	(Z)‐5‐Tetracosene	20	Nonacosane
7	Tetracosane	21	Unknown
8	(Z)‐11‐Pentacosene	22	Hentriacontane
9	(Z)‐9‐Pentacosene	23	24‐Methylene cholesterol
10	(Z)‐7‐Pentacosene	24	Campesterol
11	Pentacosane	25	Dotriacontane
12	Hexacosane	26	Unknown
13	(Z)‐11‐Heptacosene	27	Unknown
14	(Z)‐9‐Heptacosene