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Many predators forage most intensively at night, whereas others are active at midday and see best in full sun. The crepuscular habit may both reduce predation pressure, increasing the crepuscular populations, and offer better foraging opportunities to predators that increasingly focus their attention on crepuscular prey until a new balance is ...
The eastern tent caterpillar (Malacosoma americanum) is a species of moth in the family Lasiocampidae, the tent caterpillars or lappet moths. It is univoltine , producing one generation per year. It is a tent caterpillar , a social species that forms communal nests in the branches of trees.
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.
Where do South Carolina snakes go during the winter months? Here’s what to know.
A pattern of diagonal slashes along the side is a common feature. When resting, the caterpillar usually holds its legs off the surface and tucks its head underneath (praying position), which, resembling the Great Sphinx of Giza, gives rise to the name "sphinx moth". [5] Some tropical larvae are thought to mimic snakes.
The osmeterium of the caterpillar also helps to enhance the resemblance to a snake. When attacked, the larvae will expose the osmeterium, a Y-shaped organ typically folded up within the caterpillar. [20] For many spicebush swallowtails, the osmeterium is red, thus creating the illusion of a snake tongue and even further enhancing the disguise. [22]
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The California night snake grows to a total length of 12 to 26 inches (30 to 66 cm), with hatchlings about 7 inches in total length. [3] The snake has a narrow flat head, smooth dorsal scales in 19 rows, and eyes with vertically elliptical pupils. [3] They are rear-fanged and considered to be venomous, but not dangerous to humans. [3]