You think you're naughty and transgressive? Humans just don't get that freaky compared to insects. An ongoing evolutionary tug of war to control fertilization has led to appallingly rough sexual practices in bugs. Male penises are covered in spikes, scoops, harpoons, and stabby daggers.
An unusual case of vaginal myiasis
Urban Dictionary: Fly Vagina
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50 Shades of WRONG: Disturbing Insect Sex
This picture of two mating insects comes with an unexpected twist. The one on top is a female, and she has a penis. The one on the bottom is a male, and he has the equivalent of a vagina. During sexual bouts that can last for 40 to 70 hours , she penetrates him and uses her genitals not to deliver sperm, but to collect it. The 3-millimetre-long species is called Neotrogla curvata , and it lives in Brazilian caves.
Try out PMC Labs and tell us what you think. Learn More. Myiasis, a term used to describe the infestation of a live animal by fly larvae, is rarely reported in human subjects. The adult fly lays its eggs on living tissue that progresses to become larvae that feed on living tissue having gone through three developmental stages known as the first, second and third instar. The larvae become pupae before finally developing into adults.