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Columbian emerald

Columbian emerald

Nemoria darwiniata

A species of Nemoria

Nemoria darwiniata, the Columbian emerald, is a species of emerald moth in the family Geometridae. It was first described by Harrison Gray Dyar Jr. in 1904 and it is found in North America. The MONA or Hodges number for Nemoria darwiniata is 7035.

General Info About Columbian emerald
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Attributes of Columbian emerald
Adult Food Sources
Flower nectar, honeydew, bird droppings for minerals, rotting fruit, tree sap
Larva Food Source
Leaves of host plants, plant stems, flowers, buds, tree bark
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Columbian 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 Columbian 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
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Species Status of Columbian emerald
Widespread
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Predators of Columbian emerald Larvae
Frogs and toads, birds, jumping spiders, mantises
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Predators of Adult Columbian emerald
Birds, bats, praying mantises, spiders
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Interesting Facts About Columbian emerald
Columbian emerald larvae mimic twigs not only in appearance but also in behavior, staying motionless when threatened to enhance their camouflage.
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Scientific Classification of Columbian emerald
Tips for Finding Columbian emerald
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How Can You Attract Columbian emerald
Adult columbian emerald: Light traps or baits made with fermented sweet substances can attract the nocturnal adult moths due to their attraction to light sources and sweet food sources.
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Habitat Preferences of Columbian emerald Through Different Life Stages
The eggs of columbian emerald are often laid on the host plant leaves where they are well-camouflaged. Once hatched, caterpillars can be found on branches and leaves where they feed, their green coloration blending with the foliage. Pupae typically attach to twigs or underneath leaves in a more concealed location, minimizing predation risks. Adults predominantly inhabit areas around the host plants. To find these stages, someone would meticulously inspect the host plants and surrounding vegetation, looking closely at the leaves, branches, and undersides for the various life stages of columbian emerald.
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When is the Best Time to Observe Columbian emerald
Adult columbian emerald: Evening or night hours are the most suitable times to find adult columbian emerald because they are nocturnal and are most active after dusk.
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What is the Best Weather to Observe Columbian emerald
Adult columbian emerald: Mild, humid nights with little to no moonlight provide the best weather conditions for observing or trapping adult columbian emerald as they tend to avoid harsh, dry, or overly bright environments.
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How and Where Can You Find Columbian emerald at Different Life Stages
Egg Columbian emerald eggs are typically laid on the host plants. They are small and may be found on the undersides of leaves. Searching the host plants and carefully examining the leaves can lead to the discovery of these eggs. Using a magnifying glass may assist in spotting them due to their small size and possible camouflage with the leaf surface.
Larva Columbian emerald larvae, commonly known as caterpillars, can be found on or near their host plants. They often feed on the leaves, making it easier to find them by looking for signs of feeding such as chewed leaves or frass (caterpillar droppings).
Pupal Columbian emerald pupae are often hidden in crevices or camouflaged among the leaves and branches of the host plant. They may also be found on the ground in leaf litter. Searching the areas around the host plants cautiously can reveal these cryptic life stages.
Adult Adult columbian emerald are moths that are at their most active during the night. Setting up a light trap or looking around flowers that bloom at night can help locate these insects. Since they are attracted to light and certain scents, the use of pheromone traps or sweet bait can also be effective.
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