What is Street Creatures?  This is the game I run on Twitter every Friday. I’ve
collected all the past quizzes here in one place so you can either relive them, or play
them for the first time.

How does it work?  Provided are four, seemingly unrelated clues, that are all
connected by a wild organism that can be found in a city. Look at the four clues,
do some research, and when you think you’ve figured it out, click on ‘Answer’
to reveal what connects the clues, and how they are connected.

Follow me on Twitter to play #StreetCreatures live every Friday at 9am PST.

Quiz #56 Clues

Traumatic Insemination

Answer (Don't click until you've solved it)

Strepsiptera (twisted-wing parasites)

Image from: British entomology : being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found by John Curtis


After hatching, Strepsiptera larvae are mobile and move about, but then females enter a host and in further instars they LOSE their mobility, turning into a bag-like form.


While the males fly around, females mature into adults inside their host, but stay in a larval form. To quote @little_jems “NATURE HAS TRAPPED THEM IN GRUBBY BAG BODIES BECAUSE THE UNIVERSE IS TERRIBLE.”

Traumatic Insemination:

The female protrudes from her host and the males basically just stab her to inject sperm into her body where it finds its way to fertilize her eggs.


The males have eyes unlike any other insects and most closely resemble the schizochroal eyes of Phacopina trilobites.
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