Lixus

Species occupy varied habitats including dry grasslands, sandy soils, and active pastures with sparse vegetation. Specific habitat preferences vary by species; some favor dry and sunny conditions while others are associated with particular host plant communities.

Genus has broad distribution with records from Europe (Czech Republic, Slovakia, Romania, Denmark, Norway, Sweden), Asia (eastern Turkey), and Colombia. Distribution patterns vary considerably among individual species.

Adult activity periods vary by species. Some species show bimodal activity peaks in spring and late summer; others are active across extended periods from spring through autumn. Specific timing depends on geographic location and species identity.

Herbivorous. Larvae bore in stems, roots, and other plant tissues. Documented host associations include Asteraceae (Cichorium intybus), Polygonaceae (Rumex thyrsiflorus), Fabaceae (Vicia faba), and other plant families. Many species appear specialized to particular host plants.

• Cichorium intybus - hostAsteraceae; host of L. bituberculatus
• Rumex thyrsiflorus - hostPolygonaceae; host of L. neglectus
• Vicia faba - hostFabaceae; host of L. algirus

Complete metamorphosis with egg, larva, pupa, and adult stages. Larvae are internal borers in plant tissues (stems, roots, petioles, or seed capsules). Pupation typically occurs within the host plant in root tissue, root neck, or pupation cells. Adults emerge in summer and generally do not hibernate within host plants.

Oviposition behavior varies by species: some deposit eggs in main stems, others in lateral branches, petioles, or seed capsules. Adults of some species are nocturnal while others are diurnal. Activity patterns often show seasonal peaks.

Stem and root borer herbivores. Larval boring activity creates internal galleries in plant tissues. Likely function as specialized herbivores with limited host ranges, potentially influencing plant population dynamics in their native habitats.

Some species are agricultural pests. Lixus algirus causes grain yield loss and seed nutritional quality alteration in faba bean (Vicia faba). Stem boring activity can reduce crop productivity.

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• NCBI Taxonomy
• Catalogue of Life
• Figure 27 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• On the distribution and ecology of some lixine species (Coleoptera, Curculionidae). V. Genus Lixus F., Subgenera Lixus F., Ortholixus Reitt., Compsolixus Reitt., and Callistolixus Reitt.
• Figure 28 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Description of the preimaginal stages and biology of the weevil Lixus (Dilixellus) pulverulentus (Scopoli, 1763) (Coleoptera: Curculionidae: Lixini)
• Figure 22 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figure 1 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figure 6 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figures 11–13 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figure 7 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figures 2–3 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figures 23–24 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Descriptions of immature stages of the weevil Lixus punctiventris Boheman, 1835 (Coleoptera, Curculionidae, Lixini)
• Figures 32–34 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Figures 25–26 from: Trnka F, Stejskal R, Skuhrovec J (2016) The morphology of the immature stages of two rare Lixus species (Coleoptera, Curculionidae, Lixinae) and notes on their biology. ZooKeys 604: 87-116. https://doi.org/10.3897/zookeys.604.9018
• Oviposition niches and behavior of the genus <i>Lixus</i> Fabricius (Coleoptera: Curculionidae, Lixinae)
• Grain yield loss and seed nutritional quality alteration in faba bean (Vicia faba L.) caused by the stem borer Lixus algirus L. (Coleoptera: Curculionidae).