An insect feeds on human blood (flesh). Dangerous person asks it where it had sucked blood or whose blood (flesh) is the most delicious. Usually the insect lies or cannot answer (its tongue is cut off) and thanks to this dangerous person attacks certain plants or animals and not people
Inhabitans of the Middle World are (partly) destroyed (or will be destoyed) once by fire or draught, another time by a flood or the world is destroyed with a flood of fire or boiling water
Persons or animals dive or otherwise decend to the lower world to get a desired object and to bring it to earth (besides episodes in the fairytales, cf. motif k27x9)
The dry land (the earth) grows from a small amount of solid substance (sand, clay, dirt and the like) brought from the lower world (usually from the bottom of the ocean)