Some figs have wasps live and die in them.

https://www.fs.usda.gov/wildflowers/pollinators/pollinator-of-the-month/fig_wasp.shtml

I think that refers to the White Anglo Saxon Protestants who are often the parents of incels and who likely won't have grandkids.

Maybe?

https://en.wikipedia.org/wiki/White_Anglo-Saxon_Protestants