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Straight-lined sulphur

Straight-lined sulphur

Rhabdodryas trite

A species of Rhabdodryas

Rhabdodryas is a genus of butterflies in the family Pieridae. The only species is the straight-line sulphur (Rhabdodryas trite). R. trite puddles with other yellows and sulphurs including the statira sulphur (Aphrissa statira) and apricot sulphur (Phoebis argante); and orange-banded sulphur (Phoebis philea).

General Info About Straight-lined sulphur
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Attributes of Straight-lined sulphur
Colors
Yellow
Habitat
rainforest; deciduous woodland; scrubby grassland; farmland
Adult Food Sources
Asteraceae family flowers, lamiaceae family flowers, fabaceae family flowers, apiaceae family flowers, brassicaceae family flowers
Larva Food Source
Fabaceae family plants, trifolium species (clovers), vicia species (vetches), lathyrus species (pea plants), medicago species (alfalfa or lucerne)
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Siphoning mouthparts
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Species Status of Straight-lined sulphur
Not threatened
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Distribution Area of Straight-lined sulphur
North Pacific
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Life Cycle of Straight-lined sulphur
Egg The egg phase begins the life cycle, where tiny, spherical or ovate eggs are laid, often on plant leaves. The eggs of straight-lined sulphur are distinct, sometimes ribbed or textured, and will darken just before larval emergence.
Larva Upon hatching, the larva of straight-lined sulphur voraciously feeds on host plants, growing significantly in size. It molts multiple times, shedding its exoskeleton to accommodate growth, transitioning through several instars, which may vary in color and pattern.
Pupal The straight-lined sulphur enters a pupal stage, developing within a chrysalis. This non-feeding stage is marked by transformation, where the insect is immobile, and body restructuring occurs. The chrysalis may camouflage with the environment or display warning colors.
Adult Emerging from the pupa, the adult straight-lined sulphur'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 and dispersal.
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Interesting Facts About Straight-lined sulphur
Straight-lined sulphur exhibits a rare antipredator strategy, feigning death to avoid being eaten when touched or approached by potential threats.
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Scientific Classification of Straight-lined sulphur
Tips for Finding Straight-lined sulphur
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Youth Habitat of Straight-lined sulphur
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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Adult Habitat of Straight-lined sulphur
Forests and Woodlands, Grasslands and Prairies, Freshwater Habitats, Urban and Suburban Areas, Agricultural and Cultivated Areas, Savannas, Mangroves and Coastal Wetlands
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How Can You Attract Straight-lined sulphur
For certain stages of straight-lined sulphur, sugary substances or rotting fruit can act as effective lures due to the adult's dietary preference for nectar and other sweet fluids.
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What is the Best Weather to Observe Straight-lined sulphur
Mild, warm weather without strong winds or heavy rain is generally best for finding straight-lined sulphur as these conditions are ideal for their activity and accessibility.
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How and Where Can You Find Straight-lined sulphur at Different Life Stages
Egg Straight-lined sulphur eggs are often very small and found on the undersides of host plant leaves. To spot them, carefully inspect the chosen plants leaf by leaf.
Larva Straight-lined sulphur larvae, or caterpillars, can be found on or near their host plants. Look for signs of feeding, such as chewed leaves, and check both the tops and undersides of leaves.
Pupal Straight-lined sulphur pupae are typically attached to structures or plants near the ground. Finding them involves searching the base of host plants or nearby structures where they might be camouflaged.
Adult Straight-lined sulphur adults can be found feeding on flowers or basking in the sun. They are best spotted in gardens or fields with abundant blooming flowers, which they frequent for nectar.
Are Straight-lined sulphur harmful?
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Harmful Effects of Straight-lined sulphur
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Agricultural Pests

When present in small numbers, larvae of straight-lined sulphur can cause minor defoliation, often unnoticed in host plants. However, severe infestations can lead to significant leaf loss, jeopardizing plant health and reducing crop yields. This can potentially impact food supply and prices for humans, emphasizing the need for effective pest management strategies.

More Effects of Straight-lined sulphur

Beneficial Effects of Straight-lined sulphur
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Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
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Pollinator
Pollinator
Attract Plant Feature
Color
Straight-lined sulphur is a key pollinator, fluttering from flower to flower in search of nourishing pollen. While feeding, pollen grains adhere to its body and are inadvertently transferred to other flowers, enabling cross-pollination and contributing to healthy ecosystems.
Common Questions People Also Ask
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