![]() ![]() When mature, they leave the host to lay eggs. Horsehair worms develop as parasites in the bodies of grasshoppers, crickets, cockroaches, and some beetles. These harmless, curious creatures writhe slowly, contorting their hair-like bodies into intricate knots. They are found in water or wet areas, such as in or alongside streams or puddles but they can occur in cisterns, livestock watering troughs or most open outdoor container with water. ![]() They are similar to nematodes but much longer (4 inches or longer) and very thin (1/80 to 1/10 inch diameter). Horsehair worms, also known as Gordian worms, belong to the group Nematomorpha. ![]() University of Kentucky College of Agriculture NOTE: This file is a bit large because of the number of color photos. It might take a minute or two to download.ENTFACT-613: Horsehair Worms | Download PDF by Lee Townsend, Extension Entomologist Materials needed: Photocopies of pattern pages, scissors, colored paper, glue stick, thin cardboard and four very short sharpened pencils (For the second game listed in the description paragraph, you need only the worm cards.) Time allowance: Can fill any amount of time. This second game was found to be very effective in motivating players to focus their attention on the worms and learn their names. The second game is a straightforward memory game that challenges players to figure out which worm has escaped from the zoo. Players must use the information on the cards to determine which worms, if any, can be added to their zoo on that turn. The spinners will dictate what type of specimen can be collected. In the first game, players work as teams to try to collect specimens for their worm zoos. There are two games you can play with the cards. There are also paper “cages” that look like colorful picture frames, and four spinners. Purpose of activity: To learn about a large variety of worms, including round worms, flat worms, annelids (earthworms, leeches and marine polychaetes) as well as some worms that are considered “minor phyla” such as the acorn worm, the horsehair worm and the peanut worm.ĭescription of activity: There are 24 pictures cards showing each kind of worm along with a brief description of the worm. ![]()
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