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Purple bar

Purple bar

Cosmorhoe ocellata

A species of Cosmorhoe

Adorned with a vibrant palette of colors that appears to change when viewed from different angles, purple bar exhibit a remarkable form of structural coloration. Primarily active during twilight hours, these creatures undertake a remarkable transformation from a leaf-mimicking larval stage to the striking adults renowned for their wing patterns that serve as an effective deterrent against predators.

General Info About Purple bar
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Attributes of Purple bar
Adult Food Sources
Buddleia flowers (buddleja davidii), lavender (lavandula sp.), thistles (cirsium sp.), ragwort (senecio sp.), and red valerian (centranthus ruber)
Larva Food Source
Nettle (urtica dioica), hedge bedstraw (galium mollugo), enchanter's nightshade (circaea lutetiana), wood avens (geum urbanum), and cleavers (galium aparine)
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Purple bar is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The Purple bar feeds on plants, usually without causing significant harm. However, it's important to take the situation seriously if their numbers begin to increase significantly.
Predatory
Not reported
Biting animal or pet
Not reported
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Species Status of Purple bar
It can be found in the Palearctic ecozone.
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Adult Size of Purple bar
2 - 2.5 cm
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Predators of Purple bar Larvae
Araneae (spiders), aves (birds), hymenoptera (wasps), mantodea (mantises)
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Predators of Adult Purple bar
Araneae (spiders), aves (birds), chiroptera (bats), mantodea (mantises)
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Interesting Facts About Purple bar
Purple bar larvae can camouflaging themselves as twigs to avoid predators, creating the illusion of a matching patterned tree branch.
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Scientific Classification of Purple bar
Tips for Finding Purple bar
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Youth Habitat of Purple bar
Forests and Woodlands, Grasslands and Prairies
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Habitat Preferences of Purple bar Through Different Life Stages
The eggs of purple bar are typically laid on the underside of host plant leaves, which include species of heather and clover, making woodlands and meadows a promising search area. Once hatched, the caterpillars can be located on the same host plants, where they feed before pupation. Seeking them requires gentle examination of leaves and stems. The pupal stage of purple bar usually occurs in a cocoon concealed in detritus or under leaves. This necessitates careful investigation of ground litter. Finally, adult purple bar are nocturnal and attracted to light, so they can often be found nearby well-lit windows or electric lights in areas adjacent to their larval food sources at night.
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When is the Best Time to Observe Purple bar
The best time to search for purple bar would generally be at night since adult stages are usually nocturnal. However, for larval stages, daylight hours might be more productive as they feed on host plants.
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What is the Best Weather to Observe Purple bar
Mild, warm nights with limited wind and dry conditions can increase the chances of spotting adult purple bar, as they are more likely to be active. Overcast days without harsh sunlight provide ideal conditions to find caterpillars on their host plants.
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How and Where Can You Find Purple bar at Different Life Stages
Egg Purple bar eggs are often laid on the underside of leaves of the host plants. To find them, carefully examine the leaves of known host species in the habitat where purple bar is known to occur.
Larva Purple bar caterpillars can be found on or near their food plants. Search by gently inspecting the host plant leaves and stems, being careful not to disturb the natural setting.
Pupal Purple bar pupae might be attached to host plants or in leaf litter on the ground. They can be discovered by sifting through leaf litter or by inspecting the stems and leaves of plants in the area.
Adult Adult purple bar can be found by setting up a light trap at night, as they are drawn to light. Artificial lights such as mercury vapor lamps or UV LED lights are effective. Alternatively, one can use a sweet bait like fermented fruit or molasses spread on tree trunks to lure them.
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Harmful Effects of Purple bar
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Hurt Plant

The larva of purple bar feeds on a wide range of plant leaves, potentially leading to defoliation. Depending on the population, the damage can range from mild to severe, resulting in weakened plants and reduced photosynthesis.

More Effects of Purple bar

Common Questions People Also Ask
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