A simple mass rearing method for dipha aphidivora, the pyralid predator of sugarcane woolly aphid ceratovacuna lanigera

Mukunthan, N.; Nirmala, R.; Santhalakshmi, G.; Srikanth, J.; Singaravelu, B.

doi:10.1007/bf02943653

Cited by 2 publications

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“…Moulds that developed on the aphid, probably due to excess residual moisture and inadequate drying, could have led to such low survival in this test. The prolonged developmental duration in tests with third to fourth instar larvae notwithstanding, the 17-21 days neonate larva to adult duration on frozen aphid in the present study was slightly higher than the 16-18 day period observed on live aphid in our mass rearing study (Mukunthan et al, 2006).…”

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confidence: 61%

“…Introduction, mass multiplication and field colonization of the aphid's predominant natural enemies such as Dipha aphidivora Meyrick (Lepidoptera: Pyralidae) were suggested as key to the expeditious establishment of host-natural enemy equilibrium in the invaded areas (Srikanth, 2004). Subsequently, methods had been developed to mass multiply this predator in vivo in shade net houses (Patil et al, 2004) and in GI trays in the laboratory (Mukunthan et al, 2006). In vitro culture on artificial diet eliminates the need to maintain sugarcane and aphid cultures.…”

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confidence: 99%

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Rearing Dipha aphidivora, the pyralid predator of sugarcane woolly aphid Ceratovacuna lanigera, on its frozen host may be unfeasible

et al. 2009

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In Petri plate tests, neonate or third to fourth instar larvae of the predator Dipha aphidivora Meyrick (Lepidoptera: Pyralidae) were offered its host Ceratovacuna lanigera Zehntner (Homoptera: Aphididae), the woolly aphid of sugarcane, frozen and stored at -4 0 C, and thawed at room temperature before releasing the predator. In preliminary tests, neonate and grown-up larvae built webs, fed on aphids, pupated and emerged as adults. In two tests with neonate larvae, adult emergence was 45.5 and 80.0% in 17-21 days. The predator moths laid eggs on white coarse filter paper strips but not on hard paper strips of different colors placed in oviposition cages. Egg-laden filter paper or leaf bits placed in Petri plates with frozen aphids showed hatching but larvae did not survive long. Poor survival of neonate larvae in several additional tests with fresh or one-year old frozen aphid indicated that the method may not be useful for long-term rearing of the predator. Short-term survival of grown-up larvae on frozen aphid may enable the use of the latter as food for predator larvae in transit.

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Rearing Dipha aphidivora, the pyralid predator of sugarcane woolly aphid Ceratovacuna lanigera, on its frozen host may be unfeasible

et al. 2009

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“…Biology and feeding potential of different predators [302], including D. aphidivora [308], were studied. Dipha aphidivora was mass-multiplied in shadenet with variable output [302,309] and in galvanized iron trays in the laboratory by providing woolly aphid infested leaf bits [310]. Only late instars of the predator showed survival on frozen woolly aphid suggesting the possibility of using frozen aphid as transit food for the predator [311].…”

Section: Sucking Pestsmentioning

confidence: 99%

“…Some exotic braconid [385] and tachinid [386] parasitoids and strains [220] were also mass-multiplied using methods similar to those standardized for indigenous natural enemies. Successful development of efficient mass multiplication methods for potential predators such as D. aphidivora [302,309,310] and M. igorotus [312] in a short span of time to combat the invasive woolly aphid pointed out the concerted efforts that went in to such endeavour.…”

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A 100 years of biological control of sugarcane pests in India: review and perspective.

Srikanth¹

2016

CABI Reviews

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Insect pests constitute a major biotic stress in sugarcane in India as they attack the crop from the time of planting until almost harvest, inflicting yield and sugar losses. Biological control has always received a prominent position among the pest management tools, facilitated by the unique semi-perennial crop habitat and low pesticide usage. Biocontrol research of the early 1930s and 40s was characterized by surveys focusing on identification and studies on the basic biology of natural enemies. Conservation and redistribution , and introduction and colonization of predominant parasitoids was practiced very early, and even in the recent past, with remarkable success. Mass multiplication and field evaluation that began in the early decades continue today, as is demonstrated by the use of the most exploited parasitoid Trichogramma chilonis. Several parasitoids and predators of borers and sucking pests were investigated systematically when the need arose. Among entomopathogens, granulosis viruses and fungi received considerable attention; a simple formulation of Beauveria brongniartii reached commercial production for the control of the white grub Holotrichia serrata. In recent years, isolates of Bacillus thuringiensis from sugarcane soil have been examined and a scarabaeid-specific cry gene has been identified. Preliminary studies of kairomonal principles from borers as attractants to the larval parasitoid Cotesia flavipes have been carried out. Organizational support to the cause of biological control includes coordinated research efforts from government agencies, production of biocontrol agents by commercial insectaries and promotion of technologies by the sugar industry. In this review, we chronicle the major research findings over the past eight decades, portray an overview of their significance and project the prospects and priorities for biological control research and promotion in the country.

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A simple mass rearing method for dipha aphidivora, the pyralid predator of sugarcane woolly aphid ceratovacuna lanigera

Cited by 2 publications

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Rearing Dipha aphidivora, the pyralid predator of sugarcane woolly aphid Ceratovacuna lanigera, on its frozen host may be unfeasible

Rearing Dipha aphidivora, the pyralid predator of sugarcane woolly aphid Ceratovacuna lanigera, on its frozen host may be unfeasible

A 100 years of biological control of sugarcane pests in India: review and perspective.

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