Table of Contents
How do you get rid of Callosobruchus maculatus?
Eliminating an infestation of cowpea weevils in a home begins with a careful inspection. Find all of the food that shows insect activity. Discard all of the infested products. Vacuum the pantry and cabinet shelves thoroughly to be remove any adult insects.
What is the life cycle for Callosobruchus maculatus?
Callosobruchus maculatus is a holometabolic insect with life stages including egg, larva, pupa, and adult. Callobruchus maculatus adults are polymorphic with two morphs, i.e., a sedentary or flightless morph and a flight or dispersal morph.
What is the taxonomic classification of Callosobruchus maculatus?
InsectsCallosobruchus maculatus / ClassInsects are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body, three pairs of jointed legs, compound eyes and one pair of antennae. Wikipedia
Are bean beetles Phytophagous?
Ecologically, bean beetles are herbivores that have specialized on seed consumption.
What is economic importance of Callosobruchus maculatus?
Economic Importance of Callosobruchus maculatus Fab Females lay eggs on seed coat and larvae develop exclusively inside the seeds, at the expense of grain endosperm and embryo, and are responsible for cowpea damage.
What beans are toxic to bean beetles?
The beetle is known for attacking the cowpea (Vigna unguiculata), but it readily attacks other beans and peas such as the mung bean (Vigna radiata) and adzuki bean (Vigna angularis).
What beans do Callosobruchus maculatus prefer?
This, as shown in figure one that the Callosobruchus maculatus fully preferred the Adzuki beans.
What is the scientific name of pulse beetle?
Callosobruchus (pulse beetle)
Why do we study bean beetles?
In addition to their use in teaching, bean beetles are widely used as a model system in evolutionary biology research, which allows students to connect the research that they are doing in their laboratory courses with research in the field. Bean beetles are tropical and subtropical agricultural pest insects.
What is oviposition choice?
Optimal oviposition theory predicts that female herbivores prefer to oviposit on those plants that maximize offspring performance, also known as the “mother knows best” paradigm. This is the general pattern within the insect order Lepidoptera with specialist diets and reduced larval mobility.
How long is Callosobruchus chinensis life cycle?
The total life cycle of C. chinensis ranged from 33-42 days.
What is the common name of Callosobruchus chinensis?
Callosobruchus chinensis is a common species of beetle found in the bean weevil subfamily, and is known to be a pest to many stored legumes. Although it is commonly known as the adzuki bean weevil it is in fact not a true weevil, belonging instead to the leaf beetle family, Chrysomelidae.
How do you control bean beetles organically?
Organic controls for Mexican bean beetles include crop rotation, handpicking and maintaining good insect balance in the garden so that a wide variety of natural predators are present. For large plantings, imported predatory wasps or infectious fungi also can be used.
Why do bean beetles prefer mung beans?
Our hypothesis was the female bean beetles would be most attracted to the mung beans, due to their proven sufficient nutritious value since they were raised on them. Our null hypothesis was that the beetles had no preference which bean they laid their eggs on.
Why is oviposition choice significant?
Since larvae cannot move from the bean on which an egg was deposited, the oviposition choice of a female determines the future food resources available to their offspring.
Why is the bean beetle a good model organism?
Bean beetles have a short reproductive cycle and are low maintenance, making it an ideal model organism. Adult bean beetles do not require food or water. During their short one or two week lifespan, their main task is to mate and lay eggs.
Why is oviposition choice important?
Why is studying oviposition important?
If larvae have to compete over resources, it may have an impact on many important life-history traits, such as development time, adult size, adult longevity, and consequently fitness (e.g. Colegrave 1993; Horng 1997; Agnew et al. 2000).
What is the larval period of Callosobruchus chinensis?
Devi and N. V. Devi [10] who reported that the larval duration of C. chinensis on cowpea varied from 18-22 days and the mean length and breadth of L1, L2, L3 and L4 were 0.60 ± 0.03 mm, 1.19 ± 0.05 mm; 2.43 ± 0.15 mm, 3.64 ± 0.18 mm; 0.22 ± 0.03 mm, 0.77± 0.02 mm and 1.22 ± 0.08 mm, 2.00 ± 0.11 mm, respectively.