Biology and functional Response of Andrallus spinidens (F) to the rice army worm Spodoptera mauritia (Boisduval)

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Authors

  • Chitra Shanker
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN
  • P. Sapna
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN
  • K. Shabbir
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN
  • V. Sunil
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN
  • B. Jhansi Rani
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN
  • Gururaj Katti
     ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State ,IN

DOI:

https://doi.org/10.18311/jbc/2017/16279

Keywords:

Spiny soldier bug, attack ratio, handling time, searching time, predatory potential
Biological control

Abstract

The pentatomid bug, Andrallus spinidens (F.), is a polyphagous predator on lepidopteran larvae in rice fields in India. The basic biology and predatory potential of the bug was studied under laboratory conditions. The nymphs were reared in petri dishes and were fed 3rd to 5th instar Spodoptera mauritia (Boisduval) larvae. The mean development period from egg to adult was 21 days. Eggs were laid in batches of 45 to 95 and the mean total number of eggs laid by each female was 259. The second, third and fourth stage nymphs fed on 7.99, 8.32, 26.33 number of third instar larvae instar larvae of S. mauritia, respectively. The predator exhibited a type II functional response to S. mauritia larvae with a disc equation of Y' = 0.41(5-0.74) x to the increasing density of S. mauritia. This study provides important life history information for using the predator A. spinidens as a possible biological control agent for army worm management in rice.

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Author Biographies

Chitra Shanker, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

Principal Scientist ( Entomology)

P. Sapna, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

JRF

K. Shabbir, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

JRF

V. Sunil, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

Research Associate

B. Jhansi Rani, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

Principal Scientist

Gururaj Katti, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad – 500030, Telangana State

Principal Scientist & Head Crop Protection

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Published

2018-04-06

How to Cite

Shanker, C., Sapna, P., Shabbir, K., Sunil, V., Jhansi Rani, B., & Katti, G. (2018). Biology and functional Response of <i>Andrallus spinidens</i> (F) to the rice army worm <i>Spodoptera mauritia</i> (Boisduval). Journal of Biological Control, 31(4), 201–204. https://doi.org/10.18311/jbc/2017/16279

Issue

Volume 31, Issue 4, December 2017

Section

Research Articles
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