Aphidius colemani (+) Parasitism (-) Aphis nerii

From @NKWhiteman : The tiny parasitoid wasp Aphidius colemani (I think) injecting eggs (and misfiring a lot) into “oleander” aphid, Aphis nerii in our garden, just now. Wasp larvae will eat the aphid from inside, turning them into “mummies” and out pops a wasp in 10 days! Cat among the pigeons!