Morphological and Biological Studies of Larval Coleoptera
Summary
Larval stages of beetles exhibit remarkable morphological diversity that underpins both basic and applied entomology. Detailed analyses of body segmentation, setal patterns and mouthpart configuration have proven essential for resolving taxonomic uncertainties across families and subfamilies. Concurrently, biological studies of development cycles, host associations and feeding habits illuminate the ecological roles of larvae, from soil nutrient cycling to crop pest dynamics and classical biological control. Integrative work on instar determination, cocoon construction and physiological adaptations such as respiratory spiracle architecture has enriched our understanding of life-history strategies. This convergence of morphology and biology enhances phylogenetic inference, informs pest management protocols and fosters conservation of endemic and threatened species.
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Morphological and Biological Studies of Larval Coleoptera publication trend
The graph below shows the total number of articles in morphological and biological studies of larval coleoptera across all publications each year (not limited to Nature Index journals).
Technical terms
Instar: A developmental stage between two successive moults in insect larvae.
Chaetotaxy: The arrangement and patterning of setae (bristles) on an insect’s body, used in species diagnosis.
Spiracle: One of the external openings of the respiratory system in insects, located on the thorax and abdomen.
Urogomphi: Paired projections on the terminal abdominal segment of many beetle larvae, often used in taxonomic differentiation.
Malpighian tubules: Excretory organs in insects that filter haemolymph and form the primary urine before modification in the gut.
References
- Immature stages of Palearctic Mecinus species (Coleoptera, Curculionidae, Curculioninae): morphological characters diagnostic at genus and species levels. ZooKeys (2020).
- Descriptions of immature stages of four species of the genera Graptus, Peritelus, Philopedon, and Tanymecus and larval instar determination in Tanymecus (Coleoptera, Curculionidae, Entiminae). ZooKeys (2019).
- The morphology of the immature stages of Metadonus vuillefroyanus (Capiomont, 1868) (Coleoptera, Curculionidae, Hyperini) and notes on its biology. ZooKeys (2016).
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