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The white maguey worms, known as meocuiles, are caterpillars of a butterfly commonly named "tequila giant skipper," Aegiale hesperiaris. [4] [unreliable source?Aegiale hesperiaris is found usually in regions of Central Mexico, on the leaves of Agavaceae plants, such as Agave tequilana and Agave americana (maguey).
Phreatia crassiuscula is an epiphytic or lithophytic herb with a short stem, thin roots and between three and six thick, fleshy, dark green deeply channelled leaves 40–60 mm (1.6–2.4 in) long and about 10 mm (0.39 in) wide in a fan-like arrangement.
[6] Lepidopteran caterpillars can be differentiated from sawfly larvae by: the numbers of pairs of pro-legs; sawfly larvae have 6 or more pairs while caterpillars have a maximum of 5 pairs. the number of stemmata (simple eyes); the sawfly larvae have only two, [7] while caterpillars usually have twelve (six each side of the head).
Cutworms are moth larvae that hide under litter or soil during the day, coming out in the dark to feed on plants. A larva typically attacks the first part of the plant it encounters, namely the stem, often of a seedling, and consequently cuts it down; hence the name cutworm. Cutworms are not worms, biologically speaking, but caterpillars.
The caterpillar is smooth and solid green in color. When disturbed, it thrashes and drops off the plant. The newly emerged larva is a leaf miner, entering the tissues of the leaf and consuming the parenchyma between the two outer layers of the leaf. Larger larvae make holes through the leaf, consuming all the tissue.
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Its consumption of toxic plants makes it distasteful to most predators. An exception is the smooth-billed ani (Crotophaga ani), which tears the caterpillar apart to eat it, avoiding the gut containing the plant material. The caterpillar is also coated in barbed urticating hairs, which stick deeply in skin and cause irritation. If caught, the ...