''Maruca vitrata'' is a

pantropical A pantropical ("all tropics") distribution is one which covers tropical regions of both the Eastern and Western hemispheres. Examples of species include caecilians, modern sirenians and the plant genera ''Acacia'' and ''Bacopa''. ''Neotropical' ...

insect pest of

leguminous Legumes are plants in the pea family Fabaceae (or Leguminosae), or the fruit or seeds of such plants. When used as a dry grain for human consumption, the seeds are also called pulses. Legumes are grown agriculturally, primarily for human consum ...

crops like

pigeon pea The pigeon pea (''Cajanus cajan'') or toor dal is a perennial legume from the family (biology), family Fabaceae native to the Eastern Hemisphere. The pigeon pea is widely cultivated in tropical and semitropical regions around the world, being com ...

cowpea The cowpea (''Vigna unguiculata'') is an annual herbaceous legume from the genus '' Vigna''. Its tolerance for sandy soil and low rainfall have made it an important crop in the semiarid regions across Africa and Asia. It requires very few inpu ...

mung bean The mung bean or green gram (''Vigna radiata'') is a plant species in the legume family.Brief Introduction of Mung Bean. Vigna Radiata Extract Green Mung Bean Extract Powder Phaseolus aureus Roxb Vigna radiata L R Wilczek. MDidea-Extracts P ...

and

soybean The soybean, soy bean, or soya bean (''Glycine max'') is a species of legume native to East Asia, widely grown for its edible bean. Soy is a staple crop, the world's most grown legume, and an important animal feed. Soy is a key source o ...

. Its common names include the maruca pod borer, bean pod borer, soybean pod borer, mung moth, and the legume pod borer. The species was first described by

Johan Christian Fabricius Johann Christian Fabricius (7 January 1745 – 3 March 1808) was a Danish zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others. He was a student of Carl Linnaeus, and is co ...

in 1787. It can cause losses of 20–80% on the harvests of cowpeas. Its feeding sites on plants are flower buds, flowers and young pods. In some cases early

instar An instar (, from the Latin '' īnstar'' 'form, likeness') is a developmental stage of arthropods, such as insects, which occurs between each moult (''ecdysis'') until sexual maturity is reached. Arthropods must shed the exoskeleton in order to ...

s feed on flower peduncles and young stems.

Methods for control

Biological

Some

parasitoid In evolutionary ecology, a parasitoid is an organism that lives in close association with its host (biology), host at the host's expense, eventually resulting in the death of the host. Parasitoidism is one of six major evolutionarily stable str ...

s have been shown to serve as a biological control for ''Maruca vitrata''.

Parasitoid wasp Parasitoid wasps are a large group of hymenopteran Superfamily (zoology), superfamilies, with all but the wood wasps (Orussoidea) being in the wasp-waisted Apocrita. As parasitoids, they lay their eggs on or in the bodies of other arthropods, ...

s families include

Braconidae The Braconidae are a family of parasitoid wasps. After the closely related Ichneumonidae, braconids make up the second-largest family in the order Hymenoptera, with about 17,000 recognized species and many thousands more undescribed. One analysis ...

and

Ichneumonidae The Ichneumonidae, also known as ichneumon wasps, ichneumonid wasps, ichneumonids, or Darwin wasps, are a family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse groups within the Hymenoptera with roughly 25 ...

; some

flies in the

Tachinidae The Tachinidae are a large and variable family of true fly, flies within the insect order Fly, Diptera, with more than 8,200 known species and many more to be discovered. Over 1,300 species have been described in North America alone. Insects in t ...

are also natural enemies of the moth. ''M. vitrata'' prefers to lay its eggs on the flowering bodies of the cowpea plant. Efforts have been made to deter ''M. vitrata'' from reproducing on the plant ranging from

pesticide Pesticides are substances that are used to control pests. They include herbicides, insecticides, nematicides, fungicides, and many others (see table). The most common of these are herbicides, which account for approximately 50% of all p ...

s to a chemical specifically designed to sterilize the moth.

Distribution

Worldwide in the tropics. Asia, Africa, North, South and Central America, the Caribbean, Europe, Australia & Oceania.Pestnet.org
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References

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External links

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Spilomelinae Moths described in 1787 Lepidoptera of Cameroon Moths of Madagascar Lepidoptera of the Democratic Republic of the Congo Moths of Japan Moths of Mauritius Moths of Seychelles Moths of Réunion Moths of Africa Fauna of the Pantropical realm Moths of North America Moths of South America Moths of the Caribbean {{Margaroniini-stub