If you want to make a dinosaur, you go out, you find yourself a piece of petrified tree sap otherwise known as amber that has some blood sucking insects in it, good ones, and you get your insect and you drill into it and you suck out some DNA, because obviously all insects that sucked blood in those days sucked dinosaur DNA out.

Pollen transfer has been suggested to occur by body surface transport on mouthparts and head surfaces like that in bee flies and hover flies, but no such associated pollen has been found, though the insects were preserved in amber.