Variation in the reproductive performance ofEpiricania melanoleuca (Fletcher) (Lep., Epipyropidae) in relation to stage and sex of the hostPyrilla perpusilla (Walker) (Hem., Lophopidae) during rearing

The biology, damage and control of the sugarcane pest Pyrilla perpusilla Walker are reviewed. The present systematic position, distribution and the range of alternative host plants are surveyed and the life cycle and the extent of damage caused by the pest are considered in detail. The factors influencing the abundance of the insect are discussed, with emphasis on their use in reducing the population of the pest. Much of the published data in this area is based on un replicated observations. However, potential biological control agents for the insect are evaluated with special reference to the most effective nymphal and adult 'parasitoid', the moth Epiricania melanoleuca (Fletcher). Many other potential biological control agents have received some study, but in most cases, little more than basic biological information on phenology and life cycle has been published. As considerable changes in chemical control practices over the past fifty years have occurred, these, together with other control methods such as agronomic, mechanical, cultural and host plant resistance approaches are discussed along with prospects for the future, sustainable control of the pest. Research areas which are in need of more work are identified: these are biological control and cultural practices. It is suggested that an integrated approach to future research should be made, incorporating at least host-plant resistance and predation.

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Variation in sex‐ratio or age of sexes in mating pairs of Epiricania melanoleuca (Fletcher) (Lep., Epipyropidae) affecting reproductive potential of the parasite

Misra

Krishna

1987

J Applied Entomology

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In the laboratory breeding program of Epiricania melanoleuca (Fletcher), an ectoparasite of the sugarcane leafhopper Pyrilla perpusilla (Walker), output of total and viable eggs reached highest levels when a sex‐ratio of 1:1 was maintained by pairing 2 males with 2 females. The best suited age combination for the maximum yield of viable eggs from this parasite seemed to be one where a 4‐hour old male was paired with a newly emerged (<1‐hour old) female. Zusammenfassung Einfluß des Geschlechterverhältnisses und des Alters zum Zeitpunkt der Kopulation auf die Vermehrungsrate von Epiricania melanoleuca (Fletcher) (Lep., Epipyropidae) In Laborzuchten von Epiricania melanoleuca, ein Ektoparasit des Zuckerrohrschädlings Pyrilla perpusilla, war bei einem Geschlechterverhältnis von 1:1, d. h. 2 ♀:2 ♂ die Gesamtzahl abgelegter Eier und die Anzahl befruchteter, schlüpfbereiter Eier am größten. Die größte Ausbeute schlüpfbereiter Eier wurde erzielt, wenn 4 Stunden alte Männchen mit frisch geschlüpften (<1 h alt) Weibchen kopulierten.

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Variation in the reproductive performance ofEpiricania melanoleuca (Fletcher) (Lep., Epipyropidae) in relation to stage and sex of the hostPyrilla perpusilla (Walker) (Hem., Lophopidae) during rearing

Cited by 4 publications

References 2 publications

Biological characteristics of ectoparasitoid, Fulgoraecia melanoleuca (Fletcher) on various stages of its host, Pyrilla perpusilla (Walker)

Biological characteristics of ectoparasitoid, Fulgoraecia melanoleuca (Fletcher) on various stages of its host, Pyrilla perpusilla (Walker)

The sugarcane lophopid planthopperPyrilla perpusilla(Homoptera: Lophopidae): a review of its biology, pest status and control

Variation in sex‐ratio or age of sexes in mating pairs of Epiricania melanoleuca (Fletcher) (Lep., Epipyropidae) affecting reproductive potential of the parasite

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