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Sandhill knot-horn

Sandhill knot-horn

Anerastia lotella

A species of Anerastia

Anerastia lotella is a species of snout moth in the genus Anerastia. It was described by Jacob Hübner in 1813. It is found in most of Europe, western Russia, Asia Minor, Iran and western Turkestan. It has also been recorded from most of Canada. The wingspan is 19–27 mm. Adults are on wing in July. The larvae feed on various Poaceae species, including Ammophila arenaria, Corynephorus canescens and Festuca ovina. They construct a silken gallery around the stem base and roots of their host plant. Larvae are mainly found in May and June and it is thought the species overwinters in the larval stage. Pupation takes place in a silken cocoon in the soil near the food plant.

General Info About Sandhill knot-horn
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Attributes of Sandhill knot-horn
Colors
Brown
Gray
White
Habitat
Sandy soil; dune
Larva Food Source
Stems and roots of sand-dune plants, marram grass (ammophila), sea couch grass (elytrigia juncea), evening-primrose (oenothera), other dune vegetation
Biting/stinging
Not reported
Borer
Not reported
Pollinator
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 Sandhill knot-horn
Scarce
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Distribution Area of Sandhill knot-horn
Most of Europe, western Russia, Asia Minor, Iran, western Turkestan
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Life Cycle of Sandhill knot-horn
Egg The egg phase marks the beginning of sandhill knot-horn's life cycle. The eggs, often laid in clusters, are small and may vary in color. They serve as a safe capsule until the larva is ready to hatch. Development inside the egg stage is dependent on environmental conditions.
Larva The larva that emerges from the egg is worm-like with a soft body. This phase is characterized by rapid growth with repeated molting as sandhill knot-horn increases in size. The colored patterns on their body can serve as camouflage.
Pupal Transitioning into the pupal stage, sandhill knot-horn encapsulates itself within a protective cocoon. Within this chrysalis, the larva's body undergoes significant transformation as it prepares to become an adult. This includes reshaping of the internal organs, along with external features.
Adult Emerging from the pupa, the adult sandhill knot-horn’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. Coloration typically becomes more vibrant and distinct.
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Predators of Sandhill knot-horn Larvae
Birds, small mammals, insects
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Scientific Classification of Sandhill knot-horn
Tips for Finding Sandhill knot-horn
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Youth Habitat of Sandhill knot-horn
Grasslands and Prairies, Agricultural and Cultivated Areas
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Adult Habitat of Sandhill knot-horn
Grasslands and Prairies, Agricultural and Cultivated Areas, Forests and Woodlands
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How Can You Attract Sandhill knot-horn
As sandhill knot-horn are moths, their attraction to light traps or baits made with fermenting fruit or sugary substances might be common methods of enticing them for study or observation.
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Habitat Preferences of Sandhill knot-horn Through Different Life Stages
The eggs of sandhill knot-horn are typically laid on host plants, with a preference for warm, enclosed spaces like pantries or mills where grain or flour is stored, as these are ideal feeding sites for the emerging larvae. These larvae, once hatched, can be found within the products they infest. To locate them, you would search among stored grains, cereals, or flours. Pupae of sandhill knot-horn often remain hidden within the infested material or may be found in crevices nearby. Adults tend to disperse but are frequently encountered near infestation sites, particularly in dimly lit areas. Locating these adults might involve checking around potential feeding and mating sites during evening hours when they are most active.
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How and Where Can You Find Sandhill knot-horn at Different Life Stages
Egg Search for sandhill knot-horn eggs by inspecting host plants, as they are typically laid in clusters or rows on the surface of leaves or stems. Use a magnifying glass for better visibility.
Larva Sandhill knot-horn larvae can be found on or near their food sources, which could include a range of plants specific to their dietary requirements. Look for signs of feeding or small droppings on leaves.
Pupal Sandhill knot-horn pupae may be located in silken cocoons or shelters in the vegetation or sometimes in soil or leaf litter. Carefully search around the larva's feeding area for any signs of pupation.
Adult Finding adult sandhill knot-horn might be best achieved by setting up light traps at night or bait traps with suitable attractants. They can be caught or observed when they approach the light or bait.
Are Sandhill knot-horn harmful?
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