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Biology and Behavior of Six Species of Reduviids (Hemiptera: Reduviidae: Harpactorinae) in a Cashew Ecosystem

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Title Biology and Behavior of Six Species of Reduviids (Hemiptera: Reduviidae: Harpactorinae) in a Cashew Ecosystem
Harpactorine reduviids on cashew
 
Creator K. K. Srikumar, P. S. Bhat, T. N. Raviprasad, K. Vanitha, P. L. Saroj and D. P. Ambrose
 
Subject Biological traits, predators, mating, Helopeltis antonii, biological control
 
Description Not Available
Reduviid species (Hemiptera: Reduviidae) are efficient predators
of the sucking pest Helopeltis antonii Signoret (Hemiptera: Miridae) on
cashew, Anacardium occidentale L. (Anacardiaceae). Six species of harpactorine
reduviids (Hemiptera: Reduviidae: Harpactorinae) were found feeding on
H. antonii in cashew in India. They were Endochus albomaculatus Sta° l,
Epidaus bicolor Distant, Euagoras plagiatus Burmeister, Irantha armipes
Sta° l, Panthous bimaculatus Distant, and Sphedanolestes signatus Distant.
These species were reared under laboratory conditions [24–32uC, 89–94% RH,
12:12 h (L: D)] on larvae of the greater wax moth, Galleria mellonella L.
(Lepidoptera: Pyralidae). The incubation period, stadial period, nymphal
mortality, fecundity, longevity, and sex ratio were studied for these six species.
Panthous bimaculatus laid the highest number of eggs and exhibited
prolonged incubation period. The incubation period was the shortest in E.
plagiatus. The nymphal survival rate was highest in E. plagiatus and lowest in
E. albomaculatus. Post-embryonic development from first nymphal instar to
adult significantly varied in the six species. The sex ratios of I. armipes, S.
signatus, and P. bimaculatus were female-biased, while the sex ratios of E.
plagiatus, E. bicolor, and E. albomaculatus were male-biased. Longevities of
both female and male adults of the six reduviid species also significantly
varied. The aggressiveness of prey capturing and rostral thrusting varied
among species. Post-copulatory cannibalism of males by females was observed
only in E. bicolor. Numerous desirable biological traits suggest that E.
plagiatus can be effectively mass cultured.
Not Available
 
Date 2019-12-03T05:23:35Z
2019-12-03T05:23:35Z
2014-01-01
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/26467
 
Language English
 
Relation Not Available;
 
Publisher Not Available