Life table and efficacy of Mallada desjardinsi (Chrysopidae: Neuroptera), an important predator of tea red spider mite, Oligonychus coffeae (Acari: ... View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-02-22

AUTHORS

Duraikannu Vasanthakumar, Azariah Babu

ABSTRACT

Green lacewing, Mallada desjardinsi Navas, is an important predator of red spider mite, Oligonychus coffeae infesting tea. Life history, life table and efficacy of M. desjardinsi were determined using red spider mite as prey under laboratory conditions. Duration of development of M. desjardinsi recorded was 5.1, 13.8 and 13 days for eggs, larvae and pupae respectively, with an average of 31.9 days from egg to adult emergence. After a mean pre oviposition period of 7.1 days, a single female laid an average of 252.6 eggs in its life time. Adult longevity of the male was recorded as 39.6 days while the females lived longer (58.2 days). The life table of M. desjardinsi was characterized by an intrinsic rate of increase (r) of 0.096 day, net reproductive rate (R0) of 153.19 eggs/female, gross reproduction rate (∑mx) of 167.28 eggs/female, generation time (T) of 52.47 days, doubling time of 7.22 days and finite rate of increase(λ) of 1.1 day. The optimum predator–prey ratios were 1:50 and 1:33 under laboratory conditions however, 1:33 and 1:25 ratios were effective in green house conditions. The results of the study can be considered as a first step towards the utilization of this predator in an IPM program for the management of red spider mite infesting tea. More... »

PAGES

43-52

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10493-013-9664-z

DOI

http://dx.doi.org/10.1007/s10493-013-9664-z

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1024698021

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/23430022


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