![]() ![]() Horsehair worms are harmless to humans… but not crickets. After a few futile attempts he simply took out his sword and whacked it in two, presumably showing his contempt for that story. As some readers may remember from school, Alexander the Great was confronted with the Gordian knot, having been told whoever untied it would rule the known world. Here are just some of the animals we found.In late summer in puddles, bird baths, pools, and even wet grass a long, thin writhing worm can sometimes be found, often coiling in extravagant knots, that behavior explaining one of its names, the gordian worm. The fast-flowing water washed the material into the net. The sample was taken by kicking and rolling the rocks upstream of the open net. There was some ribbon weed growing among the rocks. Just a short distance from the shallow pool, the river narrows and runs rapidly across a stretch of small rocks and stones. A small ‘raft’ of leaf litter was also added to the bucket.Ģ: Rocky riffle sample. By sweeping slowly with a net, a sample of vegetation and other floating material was collected and transferred to a bucket of water collected from the same location. This was taken by stirring up the layer of silt and leaf litter on the bottom in a very slowly running section of the river. Both were from a freshwater section of the Wonboyn River, but they represented two distinct habitats.ġ: Shallow pool sample. We examined two samples collected earlier that day. Shallow sorting trays, paint brushes, forceps, small dishes, magnifying glasses, identification keys, and two microscopes … the stage was set for a serious foray into the identification of aquatic invertebrates. ![]()
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