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Large emerald

Large emerald

Geometra papilionaria

A species of Geometra

It has a wingspan of 5 - 7 cm. Newly emerged adults are bright green with darker green and white fascia, though the green colouration fades after a few days. The characteristic fascia take the form of three jagged, broken lines of white spots on the forewings, of which two semicircular rows continue over the hindwings.

General Info About Large emerald
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Attributes of Large emerald
Colors
Green
White
Habitat
woody area; garden; park; heath; grassland; hedge
Adult Food Sources
Flower nectar, sap, honeydew, water with dissolved minerals
Larva Food Source
Leaves of alder, willow, birch, raspberry, rowan
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Large emerald 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 Large emerald 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
Mouthparts Type
Siphoning mouthparts
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Species Status of Large emerald
It is found throughout the Palearctic region and the Near East.
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Distribution Area of Large emerald
Palearctic region, the Near East
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Life Cycle of Large emerald
Egg The egg is the first stage, where the large emerald lays her eggs on suitable host plants. The eggs are small, spherical or oval, often with a protective hard shell or coating.
Larva Upon hatching, the larva emerges, which is the feeding stage. The caterpillar has a soft body, distinct head, and is primarily focused on consuming vegetation to grow. It molts several times, increasing in size and sometimes color with each stage.
Pupal After achieving enough growth, the larva enters the pupal stage, forming a chrysalis. During this time, the large emerald undergoes significant transformation, as its body structure and functions are completely reorganized.
Adult Emerging from the pupa, the adult large emerald’s development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, the adult is now mobile, focusing on mating and laying eggs.
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Adult Size of Large emerald
4 - 5 cm
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Predators of Large emerald Larvae
Birds, arachnids, small mammals, insectivorous insects
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Predators of Adult Large emerald
Bats, birds, rodents, larger insects
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Interesting Facts About Large emerald
Large emerald larvae possess the unique ability to mimic twigs as a defense mechanism, making them almost indistinguishable from actual branches to evade predators.
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Scientific Classification of Large emerald
Tips for Finding Large emerald
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Youth Habitat of Large emerald
Forests and Woodlands, Deciduous forests, Mixed woodlands
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Adult Habitat of Large emerald
Forests and Woodlands, Deciduous forests, Mixed woodlands, Urban and Suburban Areas
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How Can You Attract Large emerald
For adults, a mixture of fermenting fruit or sweet substances such as honey or molasses can be used as bait, while for caterpillars there's no specific bait but knowing their host plants is key.
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Habitat Preferences of Large emerald Through Different Life Stages
The eggs of large emerald are typically found on the leaves of the host plants, often trees or shrubs. As caterpillars, they reside on the undersides of leaves, blending in due to their remarkable camouflage. To find them, one must scrutinize the foliage, inspecting each leaf carefully. Pupae often form in secluded spots near the ground, nestled in leaf litter or soil detritus, requiring a searcher to gently sift through such areas. Adults, mostly active at night, are drawn to light sources, hence setting up a light trap would be an effective method to locate them in their natural habitat, typically in woodland or forested areas.
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When is the Best Time to Observe Large emerald
The best time to find large emerald adults is during the night as they are nocturnal and get attracted to light, whereas the immature stages can be searched for during daylight.
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What is the Best Weather to Observe Large emerald
Moderate temperatures with little to no wind are ideal for finding large emerald, ideally on dry nights when adults are active. During the day, overcast conditions are preferable for searching the larval and pupal stages.
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How and Where Can You Find Large emerald at Different Life Stages
Egg Large emerald eggs are laid on the host plants. Search the leaves of these plants for small, round or ovate eggs that might be laid singly or in clusters.
Larva Large emerald caterpillars are known for their inchworm gait. Look for them on or near their host plants where they feed, blending with twigs or stems due to their cryptic coloration.
Pupal Large emerald pupates in sheltered places like leaf litter or underneath bark. Look for the pupae by carefully examining the ground litter or gently peeling off bark layers from trees, being mindful not to harm the tree.
Adult Large emerald moths can be found by setting up a light trap at night or searching around light sources where they may be resting or flying. Using a white sheet underneath the light can enhance visibility.
Are Large emerald harmful?
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Harmful Effects of Large emerald
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Hurt Plant

The larval stage of large emerald can cause a range of damage from mild to severe, feeding on the leaves of various plants without preference. This generalist behavior may result in defoliation and weakened plant health.

More Effects of Large emerald

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