Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Optimal Foraging

Optimal Foraging

How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.

Life Histories

Life Histories

Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off is represented by two primary reproductive strategies; K-strategists produce few offspring but provide substantial parental support, whereas r-strategists produce much progeny that receives little care. These strategies are related to an organism’s survival likelihood across its lifespan, which is represented by a survivorship curve. Three general types of...

What is Natural Selection?

What is Natural Selection?

Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.The Theory of Natural...

Predator-Prey Interactions

Predator-Prey Interactions

Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.Although predation is commonly associated with carnivory, for...

Epiphytes, Parasites, and Carnivores

Epiphytes, Parasites, and Carnivores

Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the biosynthesis of the...

Microbial Interactions: Predation

Microbial Interactions: Predation

Microbial predation refers to the process by which one microorganism kills and consumes another to obtain nutrients and energy. It encompasses both bacterial and protozoan predators. This interaction plays a crucial role in shaping microbial communities and regulating nutrient cycling.Bacterial Predators: Epibiotic vs. EndobioticBacterial predators are classified based on their mode of attack as either epibiotic or endobiotic. Epibiotic predators, such as Vampirococcus, attach to the surface of...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Consequences of successive mating in the ladybird beetle, Cheilomenes sexmaculata (Coccinellidae: Coleoptera).

Die Naturwissenschaften·2026

Same author

The hidden costs of regeneration in ladybird beetles.

Journal of insect physiology·2025

Same author

Static Strategies: Unchanged Sperm Allocation in Ladybird Beetle, Cheilomenes sexmaculata (Coccinellidae: Coleoptera) Despite Socio-Sexual Pressures.

Journal of experimental zoology. Part A, Ecological and integrative physiology·2025

Same author

Beyond Hunger: A Connection Between Diet and Gonadal Development of a Ladybird Beetle.

Journal of experimental zoology. Part A, Ecological and integrative physiology·2024

Same author

Do more food choices lead to bad decisions? A case study in predaceous ladybird beetle, <i>Propylea dissecta</i>.

Bulletin of entomological research·2024

Same author

Effect of victim relatedness on cannibalistic behaviour of ladybird beetle, Cheilomenes sexmaculata Fabricius (Coleoptera: Coccinellidae).

Behavioural processes·2023

Search research articles

Related Experiment Video

Updated: Jul 12, 2026

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

Functional responses of coccinellid predators: an illustration of a logistic approach.

Ahmad Pervez¹, Omkar

¹Ladybird Research Laboratory, Department of Zoology, University of Lucknow, Lucknow-226 007, India.

Journal of Insect Science (Online)

|November 22, 2005

Summary

Three ladybug species showed a Type II functional response to aphid prey. Cheilomenes sexmaculata demonstrated the highest predation rates, indicating its potential for biocontrol of Aphis craccivora and Myzus persicae.

More Related Videos

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Published on: November 1, 2017

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

Related Experiment Videos

Last Updated: Jul 12, 2026

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Assaying Predatory Feeding Behaviors in Pristionchus and Other Nematodes

Published on: September 4, 2016

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Methodology for Developing Life Tables for Sessile Insects in the Field Using the Whitefly, Bemisia tabaci, in Cotton As a Model System

Published on: November 1, 2017

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

Area of Science:

Entomology
Ecology
Biological Control

Background:

Coccinellids (ladybugs) are important natural enemies of agricultural pests.
Understanding predator-prey dynamics is crucial for effective biological control strategies.

Purpose of the Study:

To evaluate the functional response of three ladybug species (Cheilomenes sexmaculata, Propylea dissecta, Coccinella transversalis) against two aphid prey species (Aphis craccivora, Myzus persicae).
To determine the predation parameters, including attack rates and handling times, to identify the most effective predator for aphid management.

Main Methods:

Assessed functional response curves using logistic regression and Holling's disc equation.
Quantified attack rates and handling times for each predator-prey combination at varying prey densities.

Main Results:

All three ladybug species exhibited a Type II functional response, a decelerating curve indicating density-dependent predation.
Cheilomenes sexmaculata showed the highest consumption rates and optimal attack and handling parameters, followed by C. transversalis and P. dissecta.
Significant differences in handling times were observed, suggesting differential predator responses to prey species.

Conclusions:

Cheilomenes sexmaculata is identified as the most promising biocontrol agent for managing Aphis craccivora and Myzus persicae, particularly A. craccivora.
Further field studies are recommended to validate the efficacy of C. sexmaculata in real-world agricultural settings.