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Asthena undulata

Asthena undulata

Asthena undulata

A species of Asthena

Asthena undulata is a moth in the family Geometridae. It is found in Taiwan, Korea and Japan.

General Info About Asthena undulata
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Attributes of Asthena undulata
Colors
Brown
Black
White
Adult Food Sources
Flower nectar, sap on trees, fruit juices, water with dissolved sugars and salts, honeydew from aphids
Larva Food Source
Leaves of deciduous trees, birch leaves, willow leaves, poplar leaves, alder leaves
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Siphoning mouthparts
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Distribution Area of Asthena undulata
Taiwan in China, Korea, Japan
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Life Cycle of Asthena undulata
Egg The egg stage is the beginning of the asthena undulata life cycle. Eggs are usually laid on host plants and are tiny and spherical. They vary in color but often match the plant to camouflage from predators.
Larva After hatching, the larva or caterpillar emerges, focusing on feeding and growth. It's elongated with distinct segmentation, and changes skin multiple times. Coloration is adaptive, allowing it to blend with its surroundings.
Pupal The pupal stage is a transformation period. Enclosed in a chrysalis, the asthena undulata is immobile and undergoes significant internal restructuring. The chrysalis may be camouflaged or have deterrent markings.
Adult Emerging from the pupa, the adult asthena undulata's development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction.
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Interesting Facts About Asthena undulata
Asthena undulata can alter its body temperature by shivering, a rare trait in its order that helps it survive in colder climates.
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Scientific Classification of Asthena undulata
Tips for Finding Asthena undulata
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How Can You Attract Asthena undulata
Adult asthena undulata may be attracted to light traps due to their nocturnal activity or could be lured with bait made of fermenting sweet substances because many adult Lepidoptera are attracted to sugars.
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Habitat Preferences of Asthena undulata Through Different Life Stages
The eggs of asthena undulata are typically found on the underside of leaves of their host plants, discretely hidden from predators. Larvae, or caterpillars, are often seen feeding on leaves, preferring the tender new growth where they blend in with their surroundings due to their cryptic coloration. Pupae may form in concealed locations on the plant or drop to the ground to pupate in the leaf litter, utilizing the natural camouflage for protection. Finally, adults, which are active at night, can be searched for near host plants, particularly around flowers, where they feed on nectar. To find the different stages, one would search leaves for eggs and caterpillars, sift through leaf litter for pupae, and scout flowering areas at dusk for the elusive adults.
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When is the Best Time to Observe Asthena undulata
The ideal time to find adult asthena undulata is during the night when they are most active, especially shortly after dusk. For larvae, daytime searches might be more fruitful as they feed on host plants.
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What is the Best Weather to Observe Asthena undulata
Calm, warm, and humid nights are more suitable for finding adult asthena undulata, as these conditions are conducive to their flight and foraging patterns. Larval stages may be found in mild, damp conditions which support their food plants.
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How and Where Can You Find Asthena undulata at Different Life Stages
Egg Asthena undulata eggs can be found on the underside of leaves of the host plant. They are typically small, so a hand lens or magnifying glass might be helpful for this task.
Larva Asthena undulata larvae, also called caterpillars, can be found on or near the host plants upon which they feed. They might be spotted by the chewed leaves or frass (caterpillar droppings) they leave behind.
Pupal Asthena undulata pupae may be found attached to twigs, leaves, or other structures in a concealed location such as under loose bark or in leaf litter. They might also be in the soil or among plant debris.
Adult Asthena undulata adults can be located at night around sources of artificial light or natural moonlight. To catch them, one might use a light trap with a strong, bright light to attract them from a distance.
Are Asthena undulata harmful?
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Common Questions People Also Ask
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