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Rice case-bearer

Rice case-bearer

Parapoynx stagnalis

A species of Parapoynx, Also known as Paddy case-bearer, Rice case-worm

In its aquatic larval stage, rice case-bearer is a remarkable organism that exhibits a diet distinctly consisting of water plant material, with a particular fondness for consuming the leaves and stems of its aquatic plant habitat. As it progresses to adulthood, it undergoes a complete metamorphosis, transitioning from a water-bound caterpillar to an aerial adult with delicate, scaled wings, adapting its diet to primarily nectar, which it sources from a variety of flowering plants.

General Info About Rice case-bearer
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Attributes of Rice case-bearer
Colors
Brown
Black
Gray
White
Habitat
Rice; weed
Adult Food Sources
Flower nectar, pollen, honeydew, ripe fruits (occasionally), plant sap (occasionally)
Larva Food Source
Rice leaves, corn leaves, sugarcane leaves, water hyacinth, other aquatic plants
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Siphoning mouthparts
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Species Status of Rice case-bearer
Widely distributed
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Distribution Area of Rice case-bearer
India, Sri Lanka, South-East Asia, South Africa, South America, southern Europe, Russia, Australia
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Predators of Adult Rice case-bearer
Birds, bats, spiders
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Interesting Facts About Rice case-bearer
Some rice case-bearer can rest on water surfaces, using surface tension to keep afloat thanks to their hydrophobic wing scales.
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Scientific Classification of Rice case-bearer
Tips for Finding Rice case-bearer
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Youth Habitat of Rice case-bearer
Freshwater Habitats
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Adult Habitat of Rice case-bearer
Freshwater Habitats, Forests and Woodlands, Agricultural and Cultivated Areas
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When is the Best Time to Observe Rice case-bearer
The suitable time to find rice case-bearer is usually at night for adults, when they are most active and attracted to light sources. Larvae would best be sought for during the day when they are feeding on their host plants in or near bodies of water.
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What is the Best Weather to Observe Rice case-bearer
For rice case-bearer, one should look during warm and dry weather conditions, as these are favorable for their activity levels; however, larval stages might be more abundant near water sources, regardless of light rain conditions.
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How and Where Can You Find Rice case-bearer at Different Life Stages
Egg Rice case-bearer eggs are typically laid on or near host plants in or around water bodies. Search for tiny eggs on the underside of leaves or submerged vegetation.
Larva Rice case-bearer larvae are aquatic and can often be found in calm or still waters, attached to aquatic vegetation or debris. They can be collected by carefully examining or gently shaking the plants in the water.
Pupal Rice case-bearer pupae may be located in cocoon-like structures attached to vegetation in or near the water. Check for small cocoons or chrysalides among reeds and other emergent plants.
Adult Rice case-bearer adults are attracted to light, so using light traps at night, or searching with a flashlight around the edge of water bodies can be an effective method. Sweet bait traps can also be set up during the evening.
Are Rice case-bearer harmful?
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Harmful Effects of Rice case-bearer
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Agricultural Pests

Larvae of rice case-bearer feed on rice plants, causing damage to stems and leaves. Minor infestations may result in reduced plant vigor, while severe attacks can lead to significant yield losses. This threatens food security and can result in economic loss.

More Effects of Rice case-bearer

Common Questions People Also Ask
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