MYRMECOS Rotating Header Image

Posts Tagged ‘Nematodes’

A belly full of worm

I can’t imagine what an insect infected with a mermithid nematode must feel. In Belize last week we encountered several parasitized trap-jaw ants, each stumbling about with a belly twice the heft of that in a healthy ant. Scaled to human size, a mermithid would be at least as intrusive as an anaconda coiled among [...]

Share

Ants with belly worms fool taxonomists

This is creepy: Among the odder ant-attacking parasites are mermithid worms. These nematodes sit coiled inside their hosts’ abdomens, consuming stored reserves and disrupting normal development. Infected ants have smaller heads and a distended gaster, a distortion striking enough that taxonomists failing to recognize the signs of parasitism have occasionally described these forms as novel [...]

Share