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Caterpillars are typically voracious feeders and many of them are among the most serious of agricultural pests. In fact, many moth species are best known in their caterpillar stages because of the damage they cause to fruits and other agricultural produce, whereas the moths are obscure and do no direct harm. Conversely, various species of ...
The secretions of Narathura japonica caterpillars are thought to be more than merely providing nutrition, with components that cause behavior alteration in the ants, with a reduction in the locomotory activity of caterpillar attendants, increased aggression and protectiveness by Pristomyrmex punctatus ants, suggesting that the association are ...
Gulf Fritillary caterpillar, Florida, January 2021. In appearance, the larvae are dark orange with small black spines protruding outward from the body. The larval stages of gulf fritillaries include five instars, each with a varying timeframe. After the eggs hatch, the new larvae eat the egg casings for food.
Myrmecophilous (ant-loving) caterpillars of the butterfly family Lycaenidae (e.g., blues, coppers, or hairstreaks) are herded by the ants, led to feeding areas in the daytime, and brought inside the ants' nest at night. The caterpillars have a gland which secretes honeydew when the ants massage them.
Both the milkweed tussock and the monarch caterpillars eat the cardiac glycoside-laden milky sap of milkweed and have evolved mechanisms to retain those toxins in their bodies after metamorphosing ...
Milkweed, of course, is the only food that monarch caterpillars eat, making it crucial for their survival. But here we come to the struggle between creating habitat and pretty landscapes in our yards.
The larvae – caterpillars – have a toughened (sclerotised) head capsule, chewing mouthparts, and a soft body, that may have hair-like or other projections, three pairs of true legs, and up to five pairs of prolegs. Most caterpillars are herbivores, but a few are carnivores (some eat ants, aphids, or other caterpillars) or detritivores. [2]
Ants, for example, emit alarm pheromones intermittently or continuously in the usually windless environment of the anthill. Trace pheromones are emitted by an ant as a moving source. Silkmoth sex pheromones are emitted in discrete scent threads in an air stream. [57] Monarch butterfly male with clearly visible scent scales pockets