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Lesser clover leaf weevil

Lesser clover leaf weevil

Hypera nigrirostris

A species of Hypera, Also known as Black-beaked green weevil

The species known as lesser clover leaf weevil is quite recognized for its proficiency in metamorphosis, a distinct developmental journey from larva to adulthood with striking changes in form and diet. As it progresses through its life cycle, it adopts different feeding habits; juveniles are mainly found burrowed within the stems of leguminous plants, where they feed voraciously, contrasting with the adults that are seen nibbling on leaves. This creature exhibits a remarkable example of evolutionary adaptation in its life history, contributing to its success in diverse environments.

General Info About Lesser clover leaf weevil
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Attributes of Lesser clover leaf weevil
Colors
Brown
Black
Green
Habitat
Clover fields.
Adult Food Sources
Clover plants, alfalfa, various leguminous crops, leaves of broad-leaved plants, floral parts of host plants
Larva Food Source
Clover leaves, clover flowers, plant stems, crown buds, other leguminous plants
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing mouthparts
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Life Cycle of Lesser clover leaf weevil
Egg At this initial stage, the eggs of lesser clover leaf weevil are small, often oval, and laid in clusters. They lack mobility and are usually deposited near food sources.
Larva In the larva phase, lesser clover leaf weevil experiences significant growth. The larvae have a cylindrical body, chewing mouthparts for feeding, and lack wings.
Pupal During the pupa stage, lesser clover leaf weevil undergoes transformation enclosed within a pupal case. The body is immobile and reorganizes internally, preparing for adulthood.
Adult Emerging from the pupa, the adult lesser clover leaf weevil'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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Adult Size of Lesser clover leaf weevil
3 - 4 mm
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Predators of Lesser clover leaf weevil Larvae
Birds, rodents, predaceous insects
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Predators of Adult Lesser clover leaf weevil
Birds, small mammals, reptiles, predaceous insects
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Interesting Facts About Lesser clover leaf weevil
Lesser clover leaf weevil can alter its body temperature through a process called thermoregulation, a remarkable adaptation for survival in various climates.
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Scientific Classification of Lesser clover leaf weevil
Class
Bugs
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Order
Beetles
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Genus
Hypera
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Tips for Finding Lesser clover leaf weevil
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How Can You Attract Lesser clover leaf weevil
Adults are often lured by their preferred host plants or by using pheromone traps.
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Habitat Preferences of Lesser clover leaf weevil Through Different Life Stages
The larvae of lesser clover leaf weevil are typically found within stems and leaf petioles of clovers and alfalfa, where they bore and feed on the internal tissues, often leading to stem galls. To find the larvae, one must inspect these plants closely, dissecting the stems or galls to reveal their location. The adult lesser clover leaf weevil prefers the vicinity of these host plants as well, but they are most commonly seen on the foliage, flowers, or moving along the ground, where they feed and mate. Searching for adults would involve checking these areas during warmer parts of the day when they are most active.
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When is the Best Time to Observe Lesser clover leaf weevil
The best time to find lesser clover leaf weevil is during its active season which typically spans late spring through early fall.
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What is the Best Weather to Observe Lesser clover leaf weevil
Warm and dry weather conditions are generally more suitable for finding lesser clover leaf weevil as they are less active during cold or rainy weather.
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How and Where Can You Find Lesser clover leaf weevil at Different Life Stages
Egg Lesser clover leaf weevil eggs are typically laid in soil or on host plants. To find them, carefully inspect the underside of leaves or dig around the base of potential host plants.
Larva Lesser clover leaf weevil larvae feed inside plant tissue and can be found by examining signs of damage on host plants such as wilted or discolored leaves and then carefully dissecting the affected area.
Pupal Pupae of lesser clover leaf weevil are often found in the soil near the host plants. Look for them by gently sifting through the top layer of soil or by looking for pupation chambers adjacent to damaged plant tissue.
Adult Adult lesser clover leaf weevil are found on or near their host plants. Search for them by checking flowers, leaves, and stems during the day, particularly in the morning when they are the most active.
Are Lesser clover leaf weevil harmful?
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Harmful Effects of Lesser clover leaf weevil
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Hurt Plant

Lesser clover leaf weevil, in both larval and adult stages, consumes various plants, causing visible chew marks on leaves and stems. Over time, infestation can lead from mild to severe defoliation, weakening the plant and potentially leading to its death when the population is high.

More Effects of Lesser clover leaf weevil

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