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The eastern tent caterpillar is toxic to horses. It has been linked to mare reproductive loss syndrome in horses, but the exact mechanism by which the caterpillar triggers abortion has yet to be determined. Experimental studies have shown that when pregnant mares are fed eastern tent caterpillars, they abort.
Immediately after feeding the caterpillars return to the tent and aggregate in sunlight to facilitate the digestive process. Thus, eastern tent caterpillars are central place foragers. In contrast, the forest tent caterpillar is a nomadic forager that establishes a series of temporary resting sites during the course of its larval development.
Eastern tent caterpillars. The eastern tent caterpillar infestation in the spring of 2001 was extraordinary. It was not uncommon to observe more than a dozen caterpillars per square foot of lawn or pasture. One photograph shows a water bucket completely engulfed with ETCs. [1]
The Lasiocampidae are a family of moths also known as eggars, tent caterpillars, snout moths (although this also refers to the Pyralidae), or lappet moths. Over 2,000 species occur worldwide, and probably not all have been named or studied. It is the sole family in superfamily Lasiocampoidea.
The Eastern tent caterpillar (Malacosoma americanum) contains a toxin called prunasin that impacts livestock, specifically horses. [14] The caterpillars let out their seta in the animals' forage and when ingested, will pierce the gastrointestinal wall and get through the bloodstream to the reproductive system. This process causes Mare ...
The one-inch puss caterpillar is named for its cute cat-like fur, but it is the most venomous caterpillar in the United States. Although they appear to be furry and soft, the caterpillars actually ...
Stings from this toxic creature can cause headaches, nausea, vomiting, chest pain and blood spots around affected region. Despite their cute fuzzy exterior, stay away from these harmful caterpillars.
Bagworm, Fall Webworm or Eastern Tent Caterpillar? Archived 2014-08-20 at the Wayback Machine, August 18, 2001. Sandra Mason, University of Illinois Extension. Accessed May 31, 2010. Bagworm Control, Photos and Video from University of Nebraska-Lincoln Extension Archived 2019-12-02 at the Wayback Machine; Bagworm fact sheet from Penn State